Complete Guide to Battery Basic Knowledge Q&A Questions1. What is the difference between a primary battery and a rechargeable battery?The electrochemistry inside the battery determines whether the type of battery is rechargeable. Based on their electrochemical composition and electrode structure...

1. "MAh" is the unit of battery capacity, and its Chinese name is milliampere hour (for convenience when measuring large capacity batteries such as lead-acid batteries, "Ah" is generally used, and the Chinese name is ampere hour).1mAh=0.001 amperes * 3600 seconds=3.6 amperes seco...

Why does the lifespan and capacity of lithium batteries decrease during winter use? People often ask online, "Why is the lifespan of lithium-ion batteries shorter in winter than in summer? Low temperature use of lithium-ion batteries has problems such as low capacity, severe attenuation, poor c...

Due to the fact that lead-acid battery chargers are generally set in a two-stage or three-stage charging mode, the voltage levels of lithium batteries and lead-acid batteries do not match. There are also many types of lithium batteries, and their performance and protection board parameters may vary....

This article mainly introduces the measurement methods of voltage, charging current, and discharge current of lithium batteries. It is simple and easy to learn, and can be done with just a multimeter. Let's take a look together.1> How to measure the voltage of a battery:The voltage of the bat...

As an energy storage device comparable to batteries, supercapacitors have the most significant characteristics of high power density, large capacity, fast charging, high current discharge, multiple charging and discharging times (500000 times), safety, and environmental protection. The disadvantages...

Parallel connection of batteries requires the same capacity and voltage, and it is not allowed to connect new and old batteries in parallel. After parallel connection, the maximum output current that the battery can provide will double, but the current generated by the motor during use will not incr...

In general, there are four types of battery leakage, and the most common one is poor sealing between the top cover and bottom groove, which leads to cracking; And there are also cases of safety valve leakage and wiring leakage, but the probability is not high; The last type is leakage from other par...

Water based binders SBR, CMC Na:1) Introduction: SBR is the most widely used water-based adhesive. SBR stands for styrene butadiene rubber, which is highly soluble in water and polar solvents. It has high bonding strength, good mechanical stability, and operability. When used as an adhesive in the b...

Which is better, lithium iron phosphate battery or ternary lithium battery? What is the main difference between lithium iron phosphate batteries and ternary batteries? There are two common materials in the lithium battery market now, ternary materials and lithium iron phosphate. How do we make a cho...