ARB-L21-5000 Rechargeable Battery ARB-L21-5000 is a high-capacity 21700 Li-ion rechargeable battery built for more power and longer runtimes. Additional features include a protection circuit in the anode to help prevent short circuits, over...
Reviews
4.7
63 ratings
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Works great, was able to charge a battery that I thought no longer held a charge. The plug on board the battery to charge it would no longer charge the battery.
J
James · February 23, 2026
Charger works fine, battery holds charge. Package came undamaged. Quality buy.