Powerextra 5Pcs 3.7V 750mAh Lipo Battery(JST Plug) with X5 Charger for MJX X400 X400W X800 X300C Sky Viper S670 V950hd V950str HS200W RC Quadcopter Holy Stone F181

5Pcs 3.7V 750mAh 25C Lipo Batteries for Holy Stone F181 RC Quadcopters.
Battery Features:
• Capacity:750mAh
• Voltage: 3.7V
• Single Battery Weight: 0.75 oz
• Single Battery Size:1.65 x 1.5 x 0.51inch

Retail package includes:
• 3x3.7V 750mAh LiPO rechargeable battery replacement, no modification needed!
•1x 5-Port Charger

Compatible with these models:
Holy Stone F181,MJX X400 X400W X800 X300C Sky Viper S670 V950hd V950str HS200W

5-Port Intelligent Charger for 3.7V Lithium RC Batteries.
•Charge 5 Pack at one time.
• Overcharge protection
• Short-circuit protection
• Light weight and super easy to use

Charger Specifications:
• Input: DC 5V
• Output: DC 4.2V
• Size: 1.65 x 1.5 x 0.51inch
• Weight: 0.45oz (not including wires and package)
• Compatible with most Molex Plug RC Helicopter & Airplane 1S Batteries:

LED Status:
• Red Lights on: currently charging
• Red Lights off: charging complete

CAUTION:
1)Please make sure that the size of the battery is suitable for your drone before purchasing!
2) On receving, please double check whether battery swelled up.If swelled up, do stop using or charging, and contact us in time.
3) Do not overcharge or over-discharge the batteries.
5) Do not charge batteries that are still hot or it might lead to fire or explosion. A fireproof safety bag is recommended for lipo battery storage/charge.