3.7V 21770 mAh USB Rechargeable Battery High-Capacity Recharge Battery

Reusable & Long Life

Reusable up to 1000 times, reducing the need to purchase disposable batteries repeatedly.

Advanced Li-Ion technology & High capacity:

Li-Ion batteries can store more energy in a smaller size compared to other types of batteries. The battery can store up to 5000mAh capacity for longer device runtime.

Faster charging

USB-C charging port ensures faster charging compared to traditional micro-USB ports; USB-C charging ports are fully charged in 2 hr.

Working temperatures.

Suitable for use in various environments, including outdoor adventures, and use in.-20°C to +60°C temperature.

Usage

Perfect for Flashlight Torch Light, Cameras, RC Toys, Remote Controls, MP3 Players etc

Safety

Compliant with North American safety standards and free from Mercury & cadmium.


Brand Name
BESTON

Model Number
21770

Products Status
Stock

Name
USB 21770 Li-ion Rechargeable Battery (Type-C)

Brand
BESTON

Model
77T-50

Type
21770 Li-ion Battery/21700 Li-ion Battery

Power
5000mAh

Voltage
3.7V

Size
21*77±0.5mm

Weight
74g

Input
5V/1.5A(Min)

Output
5V/1A (Max)

 


CONTACTS

We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, we may not be able to reply to your emails immediately. Please allow 24 business hours for us to response.

 

RETURNS & REFUND

30-Day Money-Back Guarantee

If you are not completely satisfied with the product please do not hesitate to contact us. We will do everything to solve any problem. If you are still unsatisfied, we offer a 30-day money-back guarantee.

Please note: The returned items must be in the original packaging and in the same condition as you received it. All returns are inspected.

Refunds are issued to the payment method used at the time of purchase.

If you placed your order from our shop and it was faulty or you received the wrong product, please return it to us within 30 days and we will issue you a full refund or offer a replacement.