Powertac 21700 5000mAh 3.7V Protected Lithium Ion (Li-ion) Button Top Battery

Powertac 5000mAh 21700 Battery

Powerful Rechargeable 21700 Battery

Keep your favorite Powertac flashlights shining their brightest with this 21700 Li-ion Rechargeable Battery! With a whopping 5000mAh capacity, this battery can handle long runtimes and help deliver optimal performance. Thanks to its Li-ion chemistry, this battery keeps a high energy density with a low weight, making it a perfect fit for your favorite Powertac flashlights. Recharge this 21700 up to 500 times to save time and money on replacements!

PCB Protection

This 21700 cell is built to withstand extreme use thanks to its internal PCB protection. This unique internal design protects against under and over-voltage at 3.6V to help keep your battery healthy so you can use it again and again.