6V 8ah Rechargeable Lithium Ion Battery Pack for Electric Toy Car - China 6V Battery, 6V 8ah Battery | Made-in-China.com
First time poster here, Looking for guidance and advice on a personal project. Basically How do I mimic/re-create this battery with today's standards and make it rechargeable via USB. I have friends
12V 28.8ah 4s9p LiFePO4 Electric Boat Battery Energy Storage High Power UPS Solar Street Light Rechargeable Lithium Ion Phosphate Motorized Kayaks Battery 30ah - China LiFePO4 Battery, Motorcycle Battery | Made-in-China.com