Hello, I am a technician from Foster New Energy, I can tell you this thanks to my professional knowledge. It will become useless if not used for a long time. Over time, its blood pressure will drop. When the voltage drops, the capacity will also drop to half without using it for a few years, you should use it often. can help you
Hello, I am a technician from Jiangxi Foster New Energy Group, I will tell you from a professional point of view. The specific price depends on the voltage and capacity. The more expensive it becomes, let's take the most common large-capacity electric vehicle battery as an example. 36V 12Ah, this capacity requires 10 series and 6 parallels, or 60 18650 batteries with a power of 2000mah. The unit price is 6.5 yuan, which costs 390 yuan plus processing fee and protection card, the total cost is nearly 500 yuan ex-factory price. If resell itur selling it, it should be over 600. I just did it by hand, hope it can help you