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650mAh, BL-5B, Lithium-ion rechargeable battery.
Work with Avantree 10BS/10BP and CK-11.
Easy to install, just take outthe old battery of your car kit and replace it.
Over-voltage, over-heating and short-circuit protection.
Reliable performance,accords with the environmental protection requirement.

Specifications
Capacity: 650mAh 2.41Wh
Voltage: 3.7V
Charging Time: 2-3 hours
Warranty
We offer 12 Months Warranty for normal use. Live online support, Telephone Support, and email support are available. Video user guide are available also from Avantree site.
Support
Any issues or suggestions, contact us via our US toll free No, Intl number, OR email us and 1 working day reply is guaranteed. We are committed to 100% customer satisfaction.