1. Please exercise the specified battery charger which is with Over-cost protection to cost the battery, the max voltage output is Four.25V
2. When charging the batteries, please save them in an birth space and contain away from any inflammable items equivalent to Carpets, couch, mattress and and heaps others.
three. Please make no longer exercise excessive original USB adapter charger that elevated than 2A to cost the battery.
Four. When changing the battery, make no longer pull exhausting when the battery is caught, otherwise you can simply ruin the wire of battery and its inner construction, which is ready to reason battery fireplace when charging!
5. If the battery swells, please discard it and make no longer exercise all all over again!
Holy Stone 2 x three.7V 750mAh Lipo Battery for RC Quadcopter F181
Security:Over Fee Protection and Short Circuit Protection