ENGPOW 3.7v 850mah Lipo Battery with X4 Battery Charger for Holy Stone F181 F181C F181W Potensic F181DH Force1 F111 JJRC H12C H12W JXD 509g RC FPV Quadcopter(4PCS);

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✿3.7V 850mAh Lipo Batteries for Holy Stone F181 F181W F181DH WLtoys JXD RC Quad Copters
This 3.7V 850mAh LiPO battery is a replacement battery.
It will give more PUNCH and ROBUST performance due to its higher current output and power.
Direct replacement battery for Holy Stone F181 F181C F181W Potensic F181DH WLtoys JXD RC Quadcopter, no modification is needed.

☛Specification:
Voltage: 3.7V
Capacity: 850mAh
Battery Type: Lithium
Cells : 1
Weight:18g / 0. 63oz(not including wires and package)
Size:57mm*24mm*8mm / 2.24 x 0. 94 x 0. 31 inch

☛Package included:
4pcs*3.7v 850mah lipo battery
1*X4 charger
1*usb cable
4*adapter cables

☛Reminder:
First,plug in the battery
Second,plug in the USB cable

☛Compatible with these models:
F181 F181C F181W F181DH JJRC H12C H12W WLtoys V686 RC Quadcopter

☛LED Status for charger :
Red Lights on: currently charging
Red Lights off: charging complete

☛The instruction for charger:
1.Please inspect the batteries for any damage or swelling before charging
2.Plug all the connector of batteries or the connector of the converting wires into the port of charger completely
3.While the light is off ,it indicates that the batteries are fully charged.While the batteries are full,Please unplug the adapter at once

☛Kindly Remind
Please feel free to contact us if you have any questions, wish you have a nice day!✈