Description:

A rechargeable 21700 cell with its own USB-C port. The ASP 21700 USB-C Battery (ASP 53029) is built for high-drain devices such as ASP performance flashlights. Plug a cord straight into the cell to charge it, or charge it in a compatible ASP light.

Features

Lithium-ion 21700 cell: custom-made for higher energy density and longer life.
Integrated USB-C port: charge the battery on its own or in a compatible ASP flashlight.
Protection Circuit Module: guards against overcharging and over-discharging.
Link Case included: stores, protects and carries the battery.
Interlocking cases: several Link Cases snap together for organized storage.
Cord not included: ASP recommends its Retractable cords, or any quality USB-C cord.

Charging and shipping

Charge by plugging a USB-C cord into the cell, or by using the in-light charging of a compatible ASP flashlight. The cord is sold separately. Carrier rules limit how separately packaged lithium batteries can ship, and some destinations such as Alaska, Hawaii and U.S. territories have extra limits. Contact us before ordering if you are shipping outside the lower 48. Browse more ASP flashlights and batteries.

Questions about the 21700 USB-C Battery

How do I charge the 21700 battery?

Plug a USB-C cord into the port on the cell, or charge it inside a compatible ASP flashlight. ASP recommends its Retractable cords (sold separately), but any common, quality USB-C cord works.

What is the protection circuit for?

The built-in Protection Circuit Module guards against overcharging and over-discharging.

What is a Link Case?

A protective case that stores and carries the battery. Link Cases interlock, so several can be connected for efficient organization. One comes with this battery.

What devices is it made for?

High-drain devices such as ASP performance flashlights.

Are there shipping limits?

Carrier rules limit how separately packaged lithium batteries can ship, and some destinations such as Alaska, Hawaii and U.S. territories have extra limits. Contact us before ordering if you are shipping outside the lower 48.

Where can I buy the ASP 21700 USB-C Battery?

Right here. The Public Safety Store is a firefighter-owned, authorized ASP dealer. Questions about fit or an order? Contact us. Every order is covered by our price match guarantee and easy 30-day returns.