To ensure more flight time, high rate of polymer rechargeable batteries.
Cool the battery before the next flight or charge. For the syma x5c x5c-1 x5a x5 x5sc x5sw h5c v931 S5C S5W SS40 FQ36 T32 T5W H42 rc four-axis helicopter.
PUOO fast smart mini charger can charge 5 (3.7v battery).
Upgraded high-discharge lithium battery and balanced charger.
Exquisite and thoughtful package,high cost-effective battery.