{"id":3111,"date":"2025-10-10T17:43:46","date_gmt":"2025-10-10T09:43:46","guid":{"rendered":"https:\/\/nuranu.com\/?p=3111"},"modified":"2025-10-10T17:43:46","modified_gmt":"2025-10-10T09:43:46","slug":"how-to-choose-bms-for-battery-pack","status":"publish","type":"post","link":"https:\/\/nuranu.com\/ja\/how-to-choose-bms-for-battery-pack\/","title":{"rendered":"\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u7528BMS\u306e\u9078\u3073\u65b9\uff1a\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306b\u9069\u3057\u305f\u30d0\u30c3\u30c6\u30ea\u30fc\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0\uff08BMS\uff09\u3092\u9078\u3076\u3053\u3068\u306f\u3001\u5168\u4f53\u306e\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u306e\u982d\u8133\u3092\u9078\u3076\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u9593\u9055\u3048\u308b\u3068\u3001\u30bb\u30eb\u306e\u640d\u50b7\u3001\u5b89\u5168\u30ea\u30b9\u30af\u3001\u307e\u305f\u306f\u4e88\u5b9a\u3088\u308a\u65e9\u304f\u6545\u969c\u3059\u308b\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002.<\/p>\n<p>\u7814\u7a76\u3092\u7701\u7565\u3057\u3066\u201c\u898b\u305f\u76ee\u304c\u826f\u3055\u305d\u3046\u201d\u306aBMS\u3092\u624b\u306b\u5165\u308c\u3066\u3057\u307e\u3044\u3001\u7d50\u5c40\u30bb\u30eb\u304c\u713c\u3051\u7126\u3052\u305f\u308a\u3001\u6700\u60aa\u306e\u77ac\u9593\u306b\u30b7\u30b9\u30c6\u30e0\u304c\u505c\u6b62\u3059\u308bDIY\u30d0\u30c3\u30c6\u30ea\u30fc\u88fd\u4f5c\u8005\u3092\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u898b\u3066\u304d\u307e\u3057\u305f\u3002.<\/p>\n<p>\u3053\u3053\u3067\u30dd\u30a4\u30f3\u30c8\u306f\u3053\u3046\u3067\u3059\uff1a<\/p>\n<p>properly matched BMS can extend your battery life from a few years to over a decade. It\u2019s that important.<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u5c02\u9580\u5bb6\u3068\u3057\u3066 <a href=\"https:\/\/nuranu.com\/ja\/products\/lithium-ion-battery\/\">\u30ea\u30c1\u30a6\u30e0\u96fb\u6c60\u30d1\u30c3\u30af\u306e\u30e1\u30fc\u30ab\u30fc<\/a>, \u3001\u8a73\u3057\u304f\u3054\u6848\u5185\u3057\u307e\u3059 <strong>\u3069\u3046\u3084\u3063\u3066\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306eBMS\u3092\u9078\u3076\u304b<\/strong> \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3001\u592a\u967d\u5149\u767a\u96fb\u306e\u30d1\u30cd\u30eb\u58c1\u3092\u4f5c\u308b\u5834\u5408\u3067\u3082\u3001\u96fb\u52d5\u81ea\u8ee2\u8eca\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u3067\u3082\u3001\u305d\u308c\u4ee5\u5916\u306e\u3082\u306e\u3067\u3082\u3001\u3069\u3093\u306a\u5834\u5408\u306b\u3082\u3002.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-3112 aligncenter\" src=\"https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture.jpg\" alt=\"\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u7528BMS\u306e\u9078\u3073\u65b9\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture.jpg 1280w, https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture-300x169.jpg 300w, https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture-1030x579.jpg 1030w, https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture-768x432.jpg 768w, https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture-18x10.jpg 18w, https:\/\/nuranu.com\/wp-content\/uploads\/2025\/10\/how-to-choose-bms-for-battery-pack-picture-705x397.jpg 705w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n\n<h2>\u306a\u305c\u3042\u306a\u305f\u306eBMS\u306e\u9078\u629e\u304c\u601d\u3063\u305f\u4ee5\u4e0a\u306b\u91cd\u8981\u304b<\/h2>\n<p>BMS\u3092\u30d0\u30c3\u30c6\u30ea\u30fc\u30bb\u30eb\u306e\u30dc\u30c7\u30a3\u30fc\u30ac\u30fc\u30c9\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u96fb\u5727\u3001\u96fb\u6d41\u3001\u6e29\u5ea6\u3092\u5e38\u306b\u76e3\u8996\u3057\u3001\u4e8b\u614b\u304c\u5d29\u308c\u305f\u3068\u304d\u306b\u3044\u3064\u3067\u3082\u4ecb\u5165\u3067\u304d\u308b\u3088\u3046\u306b\u6e96\u5099\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u9069\u5207\u306aBMS\u304c\u306a\u3051\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u304d\u5f97\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u904e\u5145\u96fb\u306b\u3088\u308b\u30c0\u30e1\u30fc\u30b8<\/strong>\uff1a\u30bb\u30eb\u304c\u81a8\u5f35\u3001\u6f0f\u308c\u3001\u3042\u308b\u3044\u306f\u6700\u60aa\u306e\u5834\u5408\u706b\u707d<\/li>\n<li><strong>\u6df1\u653e\u96fb<\/strong>\u56de\u5fa9\u4e0d\u80fd\u306a\u6c38\u4e45\u7684\u5bb9\u91cf\u55aa\u5931<\/li>\n<li><strong>\u71b1\u66b4\u8d70<\/strong>\u30d0\u30c3\u30c6\u30ea\u304c\u706b\u707d\u5371\u967a\u3092\u62db\u304f\u60aa\u5922\u306e\u30b7\u30ca\u30ea\u30aa<\/li>\n<li><strong>\u30bb\u30eb\u4e0d\u5747\u8861<\/strong>\u30bb\u30eb\u306e\u4e00\u90e8\u304c\u904e\u5270\u306b\u52d5\u4f5c\u3057\u3001\u4ed6\u304c\u6020\u308b\u3053\u3068\u3067\u30d1\u30c3\u30af\u5168\u4f53\u3092\u65e9\u304f\u52a3\u5316\u3055\u305b\u308b<\/li>\n<\/ul>\n<p>\u5947\u5999\u306a\u70b9\u306f\uff1f \u3053\u308c\u3089\u306e\u6545\u969c\u306e\u307b\u3068\u3093\u3069\u306f\u9069\u5207\u306a BMS \u3067100% \u4e88\u9632\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n<h2>\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u7528 BMS \u306e\u9078\u3073\u65b9<\/h2>\n<h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u5316\u5b66\u7d44\u6210\u3092\u5408\u308f\u305b\u308b<\/h3>\n<p>\u3053\u3053\u304c\u307b\u3068\u3093\u3069\u306e\u4eba\u304c\u6700\u521d\u306b\u8e93\u304f\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002.<\/p>\n<p>\u3042\u306a\u305f\u306e BMS <strong>\u306f<\/strong> \u3042\u306a\u305f\u306e\u7279\u5b9a\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u5316\u5b66\u7d44\u6210\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u5316\u5b66\u7d44\u6210\u3054\u3068\u306b\u96fb\u5727\u7bc4\u56f2\u3068\u5b89\u5168\u95be\u5024\u304c\u7570\u306a\u308b\u304b\u3089\u3067\u3059\u3002.<\/p>\n<p>\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3053\u3068\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n<h4>LiFePO4\uff08LFP\uff09\u96fb\u6c60<\/h4>\n<ul>\n<li>\u6a19\u6e96\u96fb\u5727\uff1a\u30bb\u30eb\u3042\u305f\u308a 3.2V<\/li>\n<li>\u6700\u5927\u5145\u96fb\u96fb\u5727\uff1a3.65V<\/li>\n<li>\u30ab\u30c3\u30c8\u30aa\u30d5\u96fb\u5727\uff1a2.5V<\/li>\n<li>\u3088\u308a\u5b89\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u96fb\u5727\u8a2d\u5b9a\u304c\u7570\u306a\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n<h4>\u6a19\u6e96\u30ea\u30c1\u30a6\u30e0\u30a4\u30aa\u30f3\uff08NMC\/NCA\uff09<\/h4>\n<ul>\n<li>\u6a19\u6e96\u96fb\u5727\uff1a\u30bb\u30eb\u3042\u305f\u308a 3.7V<\/li>\n<li>\u6700\u5927\u5145\u96fb\u96fb\u5727\uff1a4.2V<\/li>\n<li>\u30ab\u30c3\u30c8\u30aa\u30d5\u96fb\u5727: 2.5-3.0V<\/li>\n<li>\u3088\u308a\u9ad8\u3044\u30a8\u30cd\u30eb\u30ae\u30fc\u5bc6\u5ea6\u3060\u304c\u3001\u3088\u308a\u654f\u611f<\/li>\n<\/ul>\n<p><strong>\u30d7\u30ed\u306e\u30d2\u30f3\u30c8<\/strong>NMC BMS \u3092 LFP\u30bb\u30eb\u306b\u4f7f\u7528\u3059\u308b\uff08\u307e\u305f\u306f\u305d\u306e\u9006\uff09\u306f\u3001\u30ac\u30bd\u30ea\u30f3\u30a8\u30f3\u30b8\u30f3\u306b\u8efd\u6cb9\u3092\u5165\u308c\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3002\u5c11\u3057\u52d5\u304f\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u554f\u984c\u304c\u8d77\u3053\u308b\u3060\u308d\u3046\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d72: \u3042\u306a\u305f\u306e\u30b7\u30ea\u30fc\u30ba\u30bb\u30eb\u3092\u6570\u3048\u308b\uff08\u300cS\u300d\u756a\u53f7\uff09<\/h3>\n<p>BMS\u306f\u76f4\u5217\u63a5\u7d9a\u3057\u3066\u3044\u308b\u30bb\u30eb\u306e\u6b63\u78ba\u306a\u6570\u3068\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30d1\u30c3\u30af\u306e\u7dcf\u96fb\u5727\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<p>\u4ee5\u4e0b\u304c\u8a08\u7b97\u3067\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u7dcf\u30d1\u30c3\u30af\u96fb\u5727 \uff1d \u30b7\u30ea\u30fc\u30ba\u30bb\u30eb\u6570 \u00d7 \u5b9a\u683c\u30bb\u30eb\u96fb\u5727<\/strong><\/li>\n<\/ul>\n<p>\u4f8b\u3092\u6319\u3052\u308b\u3068\uff1a<\/p>\n<ul>\n<li>4S LiFePO4 = 4 \u00d7 3.2V = 12.8V \u5b9a\u683c<\/li>\n<li>13S Li-ion = 13 \u00d7 3.7V = 48.1V \u5b9a\u683c<\/li>\n<\/ul>\n<p>BMS\u30e2\u30c7\u30eb\u306b\u306f\u901a\u5e38\u3053\u306e\u6570\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\uff08\u4f8b: \u300c13S BMS\u300d\u307e\u305f\u306f\u300c4S BMS\u300d\uff09\u3002\u3053\u308c\u3092\u9593\u9055\u3048\u308b\u3068\u3001BMS\u81ea\u4f53\u304c\u6b63\u3057\u304f\u63a5\u7d9a\u3055\u308c\u307e\u305b\u3093\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d73: \u3042\u306a\u305f\u306e\u96fb\u6d41\u8981\u4ef6\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u3053\u3053\u304c\u8208\u5473\u6df1\u304f\u3001\u305d\u3057\u3066\u9ad8\u4fa1\u306a\u30df\u30b9\u304c\u8d77\u304d\u308b\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002.<\/p>\n<p>BMS\u306e\u96fb\u6d41\u5b9a\u683c\u306f\u3001\u6700\u5927\u3057\u304b\u3064\u4f59\u88d5\u3092\u6301\u3063\u305f\u96fb\u529b\u5f15\u304d\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3053\u3053\u3067\u306e\u843d\u3068\u3057\u7a74\u306f\u3001\u30d1\u30c3\u30af\u306e <strong>\u6700\u4f4e<\/strong> \u96fb\u5727\u3001\u5b9a\u683c\u3067\u306f\u306a\u304f\u3002.<\/p>\n<p>\u7406\u7531\u3092\u304a\u898b\u305b\u3057\u307e\u3057\u3087\u3046\uff1a<\/p>\n<p>1000W\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u309224V\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002.<\/p>\n<p>\u6e80\u5145\u96fb\u6642\uff087S Li-ion\u306729.2V\uff09\uff1a<\/p>\n<ul>\n<li>\u96fb\u6d41 = 1000W \u00f7 29.2V = 34.2\u30a2\u30f3\u30da\u30a2<\/li>\n<\/ul>\n<p>\u307b\u307c\u653e\u96fb\u6642\uff0818.5V\uff09\uff1a<\/p>\n<ul>\n<li>\u96fb\u6d41 = 1000W \u00f7 18.5V = 54\u30a2\u30f3\u30da\u30a2<\/li>\n<\/ul>\n<p>\u554f\u984c\u304c\u898b\u3048\u307e\u3059\u304b\uff1f\u5b9a\u683c\u96fb\u5727\u3067\u30b5\u30a4\u30ba\u3092\u6c7a\u3081\u3066\u3057\u307e\u3046\u3068\u300120\u30a2\u30f3\u30da\u30a2\u4e0d\u8db3\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p><strong>\u79c1\u306e\u30eb\u30fc\u30eb<\/strong>\u6700\u5927\u96fb\u6d41\u306e worst-case \u306b\u5bfe\u3057\u3066\u8ffd\u52a0\u306e 20-30% \u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u4e57\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 70A \u306e BMS \u3092\u9078\u3076\u3079\u304d\u3067\u3059\u3002.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d74: \u5fc5\u9808\u4fdd\u8b77\u6a5f\u80fd\u3092\u78ba\u8a8d<\/h3>\n<p>\u3059\u3079\u3066\u306e BMS \u30e6\u30cb\u30c3\u30c8\u304c\u540c\u7b49\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b89\u4fa1\u306a\u3082\u306e\u306f\u30d0\u30c3\u30c6\u30ea\u30fc\uff08\u305d\u3057\u3066\u304a\u305d\u3089\u304f\u81ea\u5b85\uff09\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u4fdd\u8b77\u6a5f\u80fd\u3092\u7701\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u3053\u3053\u304c\u3042\u306a\u305f\u306e\u8b72\u6e21\u4e0d\u53ef\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3067\u3059\uff1a<\/p>\n<h4>\u91cd\u8981\u306a\u6a5f\u80fd<\/h4>\n<ul>\n<li><strong>\u904e\u96fb\u5727\u4fdd\u8b77<\/strong>: \u30bb\u30eb\u304c\u640d\u50b7\u3059\u308b\u524d\u306b\u5145\u96fb\u3092\u505c\u6b62<\/li>\n<li><strong>\u6b20\u96fb\u5727\u4fdd\u8b77<\/strong>: \u6df1\u653e\u96fb\u306b\u3088\u308b\u30c0\u30e1\u30fc\u30b8\u3092\u9632\u3050<\/li>\n<li><strong>\u904e\u96fb\u6d41\u4fdd\u8b77<\/strong>:\u30b7\u30e7\u30fc\u30c8\u5bfe\u7b56\u306e\u6700\u7d42\u30e9\u30a4\u30f3<\/li>\n<li><strong>\u6e29\u5ea6\u76e3\u8996<\/strong>: \u5145\u96fb\u6642\u306e\u904e\u71b1\uff08\u307e\u305f\u306f\u904e\u51b7\uff09\u6642\u306b\u306f\u906e\u65ad<\/li>\n<li><strong>\u30bb\u30eb\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/strong>: \u3059\u3079\u3066\u306e\u30bb\u30eb\u3092\u540c\u3058\u30ec\u30d9\u30eb\u306b\u4fdd\u3064<\/li>\n<\/ul>\n<h4>\u3042\u308b\u3068\u5b09\u3057\u3044\u6a5f\u80fd<\/h4>\n<ul>\n<li><strong>Bluetooth \u63a5\u7d9a<\/strong>: \u643a\u5e2f\u96fb\u8a71\u304b\u3089\u30d1\u30c3\u30af\u3092\u76e3\u8996<\/li>\n<li><strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u53ef\u80fd\u306a\u8a2d\u5b9a<\/strong>: \u96fb\u5727\u95be\u5024\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/li>\n<li><strong>\u30d7\u30ea\u30c1\u30e3\u30fc\u30b8\u56de\u8def<\/strong>: \u4fdd\u8b77\u5bfe\u8c61 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Capacitor\">\u30b3\u30f3\u30c7\u30f3\u30b5<\/a> \u7a81\u5165<\/li>\n<li><strong>CAN\u30d0\u30b9\/UART<\/strong>: \u30a4\u30f3\u30d0\u30fc\u30bf\u3084\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3068\u306e\u7d71\u5408\u7528<\/li>\n<\/ul>\n<h3>\u30b9\u30c6\u30c3\u30d75: BMS\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u6c7a\u5b9a<\/h3>\n<p>\u3053\u3053\u306b\u306f3\u3064\u306e\u4e3b\u306a\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<h4>\u96c6\u4e2d\u578bBMS<\/h4>\n<p>\u3059\u3079\u3066\u306e\u76e3\u8996\u304c1\u3064\u306e\u30e1\u30a4\u30f3\u30e6\u30cb\u30c3\u30c8\u3067\u884c\u308f\u308c\u307e\u3059\u3002 \u30b7\u30f3\u30d7\u30eb\u3067\u624b\u9803\u3001\u5c0f\u898f\u6a21\u30d1\u30c3\u30af\uff0814S\u672a\u6e80\uff09\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n<p><strong>\u9069\u3057\u3066\u3044\u308b\u7528\u9014<\/strong>: \u96fb\u52d5\u81ea\u8ee2\u8eca\u3001\u96fb\u52d5\u5de5\u5177\u3001\u5c0f\u578b\u30bd\u30fc\u30e9\u30fc\u30d0\u30c3\u30c6\u30ea\u30fc<\/p>\n<h4>\u5206\u6563\u578bBMS<\/h4>\n<p>\u30d1\u30c3\u30af\u5168\u4f53\u306b\u76e3\u8996\u56de\u8def\u3092\u5206\u6563\u3055\u305b\u3001\u4e2d\u592e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3068\u901a\u4fe1\u3057\u307e\u3059\u3002 \u8907\u96d1\u3067\u3059\u304c\u5927\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p><strong>\u9069\u3057\u3066\u3044\u308b\u7528\u9014<\/strong>: EV\u30d0\u30c3\u30c6\u30ea\u30fc\u3001\u5927\u5bb9\u91cf\u30d1\u30ef\u30fc\u30a6\u30a9\u30fc\u30eb\u3001\u5546\u696d\u7528\u9014<\/p>\n<h4>\u30e2\u30b8\u30e5\u30fc\u30eb\u578bBMS<\/h4>\n<p>DIY\u30d3\u30eb\u30c0\u30fc\u306b\u3068\u3063\u3066\u79c1\u306e\u304a\u6c17\u306b\u5165\u308a\u3067\u3059\u3002 \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4ea4\u63db\u3067\u304d\u3001\u7c21\u5358\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u3001\u5168\u4f53\u3092\u4ea4\u63db\u305b\u305a\u306b\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><strong>\u9069\u3057\u3066\u3044\u308b\u7528\u9014<\/strong>: \u5b9f\u9a13\u7684\u306a\u30d3\u30eb\u30c9\u3001\u5f8c\u306b\u62e1\u5f35\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30b7\u30b9\u30c6\u30e0<\/p>\n<h2>\u5b9f\u4e16\u754c\u306e\u4f8b\uff08\u6570\u5024\u4ed8\u304d\uff09<\/h2>\n<p>\u3053\u308c\u3089\u3092\u5b9f\u969b\u306e\u30d3\u30eb\u30c9\u3067\u4e00\u7dd2\u306b\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n<h3>\u4f8b1: 12V RV\u30d0\u30c3\u30c6\u30ea\u30fc<\/h3>\n<ul>\n<li>\u5316\u5b66\u7d44\u6210: LiFePO4<\/li>\n<li>\u69cb\u6210: 4S10P\uff084\u5217\u300110\u4e26\u5217\uff09<\/li>\n<li>\u5bb9\u91cf: 200Ah<\/li>\n<li>\u6700\u5927\u8ca0\u8377: 2000W\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc<\/li>\n<\/ul>\n<p><strong>BMS\u306e\u9078\u629e<\/strong>: 4S 200A LiFePO4 BMS with Bluetooth<\/p>\n<ul>\n<li>\u306a\u305c200A\uff1f\u4f4e\u96fb\u5727\u3067\u306e\u6700\u5927\u96fb\u6d41 = 2000W \u00f7 12V = 167A\uff08\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u542b\u3080\uff09<\/li>\n<\/ul>\n<h3>\u4f8b2: 48V E-\u30d0\u30a4\u30af\u7528\u30d0\u30c3\u30c6\u30ea\u30fc<\/h3>\n<ul>\n<li>\u5316\u5b66\u7d44\u6210: Li-ion\uff08NMC\uff09<\/li>\n<li>\u69cb\u6210: 13S4P<\/li>\n<li>\u6700\u5927\u30e2\u30fc\u30bf\u30fc\u30c9\u30ed\u30fc: 1500W<\/li>\n<\/ul>\n<p><strong>BMS\u306e\u9078\u629e<\/strong>: 13S 40A Li-ion BMS with balance current \u226550mA<\/p>\n<ul>\n<li>\u96fb\u6d41\u8a08\u7b97: 1500W \u00f7 46V\uff08\u4f4e\u96fb\u5727\uff09 = 33A\uff0840A\u3067\u4f59\u88d5\u3092\u6301\u3064\uff09<\/li>\n<\/ul>\n<h3>\u4f8b3: \u81ea\u5b85\u7528\u30bd\u30fc\u30e9\u30fc\u30d0\u30c3\u30c6\u30ea\u30fc<\/h3>\n<ul>\n<li>\u5316\u5b66\u7d44\u6210: LiFePO4<\/li>\n<li>\u69cb\u6210: 16S\uff0851.2V\uff09<\/li>\n<li>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc: 5000W<\/li>\n<\/ul>\n<p><strong>BMS\u306e\u9078\u629e<\/strong>\uff1a 16S 120A LiFePO4 BMS with CAN\u901a\u4fe1<\/p>\n<ul>\n<li>\u30b5\u30a4\u30ba\u8a2d\u5b9a: 5000W \u00f7 44V = 114A (120A\u306f\u4f59\u88d5\u3092\u6301\u305f\u305b\u308b)<\/li>\n<\/ul>\n<h2>\u907f\u3051\u308b\u3079\u304d\u4e00\u822c\u7684\u306a\u30df\u30b9<\/h2>\n<p>DIY\u30d0\u30c3\u30c6\u30ea\u30fc\u30b0\u30eb\u30fc\u30d7\u3067\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u3092\u5e38\u306b\u76ee\u306b\u3057\u307e\u3059\uff1a<\/p>\n<p><strong>\u30df\u30b9 #1: \u6700\u7d42\u7684\u306a\u30d1\u30c3\u30af\u8a2d\u8a08\u3092\u6c7a\u3081\u308b\u524d\u306bBMS\u3092\u8cfc\u5165\u3057\u3066\u3057\u307e\u3046\u3053\u3068<\/strong><br \/>\n\u3042\u306a\u305f\u306eBMS\u306f\u6b63\u78ba\u306a\u69cb\u6210\u306b\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8a2d\u8a08\u3092\u5148\u306b\u3001\u8cfc\u5165\u3092\u5f8c\u306b\u3002.<\/p>\n<p><strong>Mistake #2: \u30d0\u30e9\u30f3\u30b9\u96fb\u6d41\u3092\u7121\u8996<\/strong><br \/>\n\u5b89\u4fa1\u306a BMS \u30e6\u30cb\u30c3\u30c8\u306f\u60c5\u3051\u306a\u3044\u30d0\u30e9\u30f3\u30b9\u96fb\u6d41\u3092\u6301\u3064\uff08\u4f8b\u3048\u3070 20mA \u306e\u3088\u3046\u306b\uff09\u3002\u4fe1\u983c\u6027\u306e\u305f\u3081\u306b\u306f\u5c11\u306a\u304f\u3068\u3082 50mA \u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Mistake #3: \u5145\u96fb\u96fb\u6d41\u3092\u5fd8\u308c\u308b<\/strong><br \/>\n\u3042\u306a\u305f\u306e BMS \u306f\u5145\u96fb\u5668\u306e\u6700\u5927\u51fa\u529b\u306b\u3082\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u653e\u96fb\u3060\u3051\u3067\u306a\u304f\u3001\u5145\u96fb\u3082\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p><strong>Mistake #4: \u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc\u3092\u7701\u304f<\/strong><br \/>\n\u7279\u306b\u5bd2\u51b7\u74b0\u5883\u3067\u306f\u30ea\u30c1\u30a6\u30e0\u96fb\u6c60\u304c\u51cd\u7d50\u4ee5\u4e0b\u3067\u5145\u96fb\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2>\u54c1\u8cea\u306f\u91cd\u8981\u3067\u3059\uff08\u305d\u306e\u7406\u7531\uff09<\/h2>\n<p>\u79c1\u306f\u3053\u308c\u3092\u75db\u3044\u601d\u3044\u3067\u5b66\u3073\u307e\u3057\u305f\uff1a<\/p>\n<p>\u4ef2\u9593\u304c\u5f7c\u306e\u96fb\u52d5\u81ea\u8ee2\u8eca\u7528\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u6c4e\u7528 BMS \u3067 $30 \u3092\u7bc0\u7d04\u3057\u307e\u3057\u305f\u3002\u516d\u304b\u6708\u5f8c\u3001\u305d\u308c\u306f\u904e\u5145\u96fb\u6642\u306e\u906e\u65ad\u3092\u884c\u308f\u305a\u3001\u30ac\u30ec\u30fc\u30b8\u706b\u707d\u3092\u62db\u304d\u3001\u5f7c\u306f\u4f55\u5343\u3082\u306e\u640d\u5931\u3092\u88ab\u308a\u307e\u3057\u305f\u3002.<\/p>\n<p>\u4fe1\u983c\u3067\u304d\u308b\u30d6\u30e9\u30f3\u30c9\u306b sticking \u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ul>\n<li><strong>JBD\/Xiaoxiang<\/strong>\uff1a\u5927\u534a\u306e DIY \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069<\/li>\n<li><strong>Daly<\/strong>\uff1a\u4e88\u7b97\u306b\u512a\u3057\u304f\u3001\u4fe1\u983c\u6027\u3082\u9ad8\u3044<\/li>\n<li><strong>ANT<\/strong>\uff1a\u672c\u683c\u7684\u306a\u7d44\u307f\u7acb\u3066\u306b\u5408\u3046\u9ad8\u6a5f\u80fd<\/li>\n<li><strong>Batrium<\/strong>\uff1a\u5927\u898f\u6a21\u306a\u8a2d\u7f6e\u306b\u30c8\u30c3\u30d7\u30af\u30e9\u30b9<\/li>\n<\/ul>\n<h2>\u982d\u75db\u3092\u6e1b\u3089\u3059\u305f\u3081\u306e\u8a2d\u7f6e\u306e\u30d2\u30f3\u30c8<\/h2>\n<p>BMS\u3092\u9078\u629e\u3057\u305f\u3089\u3001 installation \u306f\u91cd\u8981\u3067\u3059\uff1a<\/p>\n<ol>\n<li><strong>\u914d\u7dda\u56f3\u3092\u518d\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u2013 \u307b\u3068\u3093\u3069\u306e BMS \u306e\u6545\u969c\u306f\u5b9f\u969b\u306b\u306f\u914d\u7dda\u30df\u30b9\u3067\u3059<\/li>\n<li><strong>\u9069\u5207\u306a\u30b2\u30fc\u30b8\u306e\u30d0\u30e9\u30f3\u30b9\u30ef\u30a4\u30e4\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u2013 \u7d30\u3044\u30ef\u30a4\u30e4\u306f\u96fb\u5727\u6e2c\u5b9a\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059<\/li>\n<li><strong>\u71b1\u6e90\u304b\u3089\u96e2\u308c\u305f\u5834\u6240\u306b\u8a2d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u2013 \u71b1\u306f\u96fb\u5b50\u6a5f\u5668\u3092\u50b7\u3064\u3051\u307e\u3059<\/li>\n<li><strong>\u8ca0\u8377\u63a5\u7d9a\u524d\u306b\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u2013 \u3059\u3079\u3066\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/li>\n<li><strong>\u3059\u3079\u3066\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044<\/strong> \u2013 \u5c06\u6765\u306e\u3042\u306a\u305f\u304c\u73fe\u5728\u306e\u3042\u306a\u305f\u306b\u611f\u8b1d\u3057\u307e\u3059<\/li>\n<\/ol>\n<h2>\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u306e\u3042\u308b\u9ad8\u5ea6\u306a\u6a5f\u80fd<\/h2>\n<p>\u3088\u308a\u9ad8\u5ea6\u306a\u30d3\u30eb\u30c9\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u304c\u5927\u304d\u306a\u5dee\u3092\u751f\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<h3>\u30b9\u30de\u30fc\u30c8\u901a\u4fe1<\/h3>\n<p>CAN \u30d0\u30b9\u307e\u305f\u306f RS485 \u306b\u3088\u308a BMS \u304c\u30a4\u30f3\u30d0\u30fc\u30bf\u3084\u5145\u96fb\u5668\u3068\u901a\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u6b21\u306e\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u6e29\u5ea6\u306b\u57fa\u3065\u304f\u52d5\u7684\u96fb\u6d41\u5236\u9650<\/li>\n<li>\u5145\u96fb\u72b6\u614b\uff08SOC\uff09\u30ec\u30dd\u30fc\u30c8<\/li>\n<li>\u81ea\u52d5\u5145\u96fb\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n<\/ul>\n<h3>\u30d7\u30ea\u30c1\u30e3\u30fc\u30b8\u56de\u8def<\/h3>\n<p>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u969b\u306e\u5927\u96fb\u6d41\u30b5\u30fc\u30b8\u3092\u9632\u304e\u307e\u3059\u30022000W\u3092\u8d85\u3048\u308b\u6a5f\u5668\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u306e\u6a5f\u80fd\u306f\u81ea\u5206\u3067\u5143\u3092\u53d6\u308c\u307e\u3059\u3002.<\/p>\n<h3>\u30a2\u30af\u30c6\u30a3\u30d6\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/h3>\n<p>\u904e\u5270\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u71b1\u3068\u3057\u3066\u653e\u51fa\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u306f\u305d\u308c\u3092\u4f4e\u96fb\u5727\u30bb\u30eb\u3078\u79fb\u52d5\u3057\u307e\u3059\u3002\u3088\u308a\u52b9\u7387\u7684\u3067\u3059\u304c\u30b3\u30b9\u30c8\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u9069\u5207\u306aBMS\u3092\u9078\u3076\u306e\u306f\u30ed\u30b1\u30c3\u30c8\u79d1\u5b66\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u7d30\u90e8\u306b\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6c60\u306e\u5316\u5b66\u7d44\u6210\u306b\u5408\u308f\u305b\u3001\u73fe\u72b6\u306e\u5bb9\u91cf\u306b\u5bfe\u3057\u3066\u4f59\u88d5\u3092\u6301\u3063\u3066\u30b5\u30a4\u30ba\u3092\u9078\u3073\u3001\u5b89\u5168\u6a5f\u80fd\u3092\u5b89\u4fa1\u3067\u59a5\u5354\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p>\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\uff1a\u3042\u306a\u305f\u306eBMS\u306f\u6570\u767e\u307e\u305f\u306f\u6570\u5343\u30c9\u30eb\u76f8\u5f53\u306e\u30bb\u30eb\u3092\u4fdd\u8b77\u3057\u3066\u3044\u307e\u3059\u3002 Sketchy\u306aBMS\u3068\u9ad8\u54c1\u8cea\u306aBMS\u306e\u9055\u3044\u306f\u3001\u8cb7\u3048\u308b\u6700\u826f\u306e\u4fdd\u967a\u3067\u3059\u3002.<\/p>\n<p>\u3053\u308c\u3089\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066 <strong>\u3069\u3046\u3084\u3063\u3066\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306eBMS\u3092\u9078\u3076\u304b<\/strong> \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001\u5b89\u5168\u3067\u4fe1\u983c\u6027\u304c\u3042\u308a\u3001\u9577\u5e74\u6301\u3064\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u8981\u306f\u3001\u30cb\u30fc\u30ba\u3092\u6b63\u3057\u304f\u8a08\u7b97\u3057\u3001\u91cd\u8981\u306a\u90e8\u5206\u306b\u54c1\u8cea\u3092\u6295\u8cc7\u3059\u308b\u6642\u9593\u3092\u53d6\u308b\u3053\u3068\u3067\u3059\u3002\u672a\u6765\u306e\u81ea\u5206\u81ea\u8eab\uff08\u305d\u3057\u3066\u30d0\u30c3\u30c6\u30ea\u30fc\u30bb\u30eb\uff09\u304c\u611f\u8b1d\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306b\u9069\u3057\u305f\u30d0\u30c3\u30c6\u30ea\u30fc\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0\uff08BMS\uff09\u3092\u9078\u3076\u3053\u3068\u306f\u3001\u3042\u306a\u305f\u306e\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u77e5\u6027\u3092\u9078\u3076\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u9593\u9055\u3048\u308b\u3068\u30bb\u30eb\u306e\u640d\u50b7\u3001\u5b89\u5168\u6027\u30ea\u30b9\u30af\u3001\u3042\u308b\u3044\u306f\u5bff\u547d\u3092\u5f85\u305f\u305a\u306b\u6545\u969c\u3059\u308b\u30d0\u30c3\u30c6\u30ea\u30fc\u30d1\u30c3\u30af\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u79c1\u306f\u3001\u7814\u7a76\u3092\u98db\u3070\u3057\u3066\u201c\u898b\u305f\u76ee\u304c\u826f\u3055\u305d\u3046\u201d\u3068\u3044\u3046\u3060\u3051\u3067BMS\u3092\u9078\u3076DIY\u30d3\u30eb\u30c0\u30fc\u3092\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u898b\u3066\u304d\u307e\u3057\u305f \u2014 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Get it wrong, and you&#8217;re looking at damaged cells, safety risks, or a battery pack that dies way before its time. I&#8217;ve seen too many DIY battery builders skip the research and grab any BMS that &#8220;looks right&#8221; \u2013 only to end up with fried cells or a system that shuts down at the worst possible moment. Here&#8217;s the thing: A properly matched BMS can extend your battery life from a few years to over a decade. It&#8217;s that important. 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Get it wrong, and you&#8217;re looking at damaged cells, safety risks, or a battery pack that dies way before its time. I&#8217;ve seen too many DIY battery builders skip the research and grab any BMS that &#8220;looks right&#8221; \u2013 only to end up with fried cells or a system that shuts down at the worst possible moment. Here&#8217;s the thing: A properly matched BMS can extend your battery life from a few years to over a decade. It&#8217;s that important. 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