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6Ah lithium battery pack consists of 32700 cylindrical batteries, all of which are new LiFePO4A batteries. In the actual application process, you only need to replace the battery without replacing other parts to make this product have a longer life. Because LiFePO4 is very safe, it will not burn or explode under high temperature or high pressure, and can also provide good low-temperature charging effect. http://www.msntechbattery.com/....lithium-battery/12v-