Product Review

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● Item Name: Holyton 3.7V 250mAh Rechargeable Li-Po Batteries and USB Charger for Holy Stone HS177 RC Battle Drone
● Battery Type: Lithium-polymer Battery
● Capacity: 250 mAh
● Voltage: 3.7 V
● Charging Time: 35~50 minutes
● Energy：0.9Wh
● Net Weight：16.3 g / 0.58 oz per battery
● USB Charger Voltage：5 V/0.5-2.0A
● USB Cable Rated Power: ≤10 W
● Charging Temperature Range：41° to 104°F (5° to 40°C)

What You Get:
1 * Holy Stone Original 3.7V 250mAh Li-Po Battery
1 * USB Charger

How to charge the battery:

1.Connect the battery to the USB charging connector
2.Plug the connector into a computer, a USB power adapter(5V/0.5-2A) or a power bank (Please use equipped charging connector to charge the Li-Po battery)
3.The red indicated light on the charging connector will turn on when charging, once charging is complete, the red light will turn off

BEST SERVICE FOR YOU: If there is any question, please feel free to contact us by email or ask the question on the product page.