Holy Stone 3.7V 500mAh Battery for UDI U817 U817C U817A U818A WLtoys Quadcopter V959 V969 V979 V989 V999 V929 V949 V212 V222 RC Quadcopter(3 Pcs),obtain extra flight time:25 mins

Description

Important tips：
1. Please use the desired battery charger which is with Over-charge protection to charge the battery, the max voltage output is 4.25V
2. When charging the batteries, please put them in an open space and avoid any inflammable goods such as Carpets, sofa, bed and and the like.
3. Please do not use high current USB adapter charger that higher than 2A to charge the battery.
4. When changing the battery, do not pull hard when the battery is stuck, another way you may also destroy the wire of battery and its inner structure, as a way to lead to battery fire when charging!
5. If the battery swells, please discard it and do not use again!

3.7V 500mAh 25C Lipo Battery
Holy Stone brand OEM upgraded replacement part battery for U818A
Lightweight, durable, practical and convenient to make use of
Dimensions are 2.4 x 0.8 x 0.3 inches
Quantity of 3 pcs
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