Entries by Nuranu

What Temperature is Bad for Lithium Batteries?

Temperature has a major impact on lithium battery performance and longevity. Both hot and cold conditions can create safety risks, accelerate battery degradation, or limit capacity and efficiency. So how do temperature extremes affect lithium batteries, and at what point do hot or cold conditions become damaging? As a lithium battery packs manufacturer, I will […]

What Is Reserve Capacity on a Battery?

What Is Reserve Capacity on a Battery The reserve capacity metric refers to the number of minutes a fully charged 12-volt battery can continuously deliver 25 amps before dropping below 10.5 volts. Understanding your battery’s reserve capacity rating is crucial, as it determines how long your battery can power electrical loads when an engine or […]

What is a Battery Control Module? A Complete Guide

What is a Battery Control Module? A battery control module, often referred to as BCM, is an essential component of battery management systems (BMS) found in battery packs used for electric vehicles, energy storage systems, consumer electronics, and more. This integral device actively monitors and regulates the performance of individual battery cells to ensure safe, […]

How to Replace an Apple Watch Battery?

Have you noticed your Apple Watch battery draining faster than it used to? Does it need to be charged multiple times a day to keep it powered on? If so, replacing the battery can restore performance and extend the usable life of your Apple Watch. I recently decided to replace the worn-out battery in my […]

How Often to Replace Your Car Battery?

Does your car struggle to start on cold winter mornings? Do the lights dim whenever you turn on the AC or blast the stereo? If so, your battery may be on its last legs. But how do you know exactly when it’s time to swap in a shiny new battery? Well, in this detailed guide […]

How to Tell If Your Car Battery Is Dead? (The Complete Guide)

Is your car slow to start? Do the lights seem dim? You may be wondering: how can I tell if my car battery is dead? As a rechargeable battery pack manufacturer, I am writing this complete guide to teach you how to accurately diagnose a dead or dying battery. I’ll also explain what causes car […]

What Does Ah Mean on a Battery? A Complete Guide

Understanding battery specifications can be confusing, especially when mysterious abbreviations like “Ah” are used. As an experienced online marketer, I’ve done my research to get to the bottom of what exactly Ah means on a battery. In this complete guide, as a professional rechargeable battery pack manufacturer, I’ll cover everything you need to know, from […]

How to Charge a Car Battery in 2025: The Complete Guide

Knowing how to properly charge a car battery is an essential skill for any vehicle owner. After all, few things are more annoying than turning the key in your ignition, only to be met with an lifeless sputter instead of a satisfying roar signaling your car is ready to hit the road. Fortunately, with the […]

How to Connect 18650 Batteries Without Solder

Lithium-ion 18650 batteries are extremely useful for powering all kinds of electronics projects. However, properly connecting these batteries can be tricky, especially if you want to avoid soldering. In this post, I’ll walk you through several methods for connecting 18650 battery cells without any soldering required. Why Avoid Soldering 18650 Batteries? Before we get into […]

How to Connect 18650 Batteries in Series

Connecting 18650 batteries in series is a great way to increase the voltage in your battery pack. By wiring batteries in series, you combine their individual voltages to produce a higher total voltage output. For example, connecting two 3.7V 18650 lithium-ion batteries in series produces 7.4V. This stepped up voltage can power all kinds of […]