How To Build A DIY Electric Bicycle Lithium Battery
I need help. I want to upgrade my existing 48v 20ah lithium battery to a 72v 20ah battery. Here’s what I got. A chinese made pack 48v 20ah made of lithium ion 18650 cells rated at 3.7v 2.3ah configured in 9p 13s with a bms of 30a continuous discharge. This is what I want to do. Buy another chinese
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