Retevis RT21

Retevis RT21 battery life

The battery of the Retevis RT21 is the rechargeable battery, reusable, practical and environmentally friendly. Retevis RT21 Specifications: Voltage: 3.7V Type: Li-ion Battery capacity: 1100mAh Weight: 68g The charging time of the of the retevis RT21 original battery is about 4 hours, the usage time is up to 10-12 hours, and the battery lasts longer […]