21700 Batteries

 Nitecore 21700 batteries distinguishes itself with its remarkable high capacity, providing a dependable and lasting power source for your device. Endowed with Nitecore's hallmark safety features and quality engineering, Nitecore 21700 stands as a testament to the brand's reputation as a reliable source of rechargeable Li-ion batteries. Some of Nitecore 21700 batteries also comes with built-in USB rechargeable port so you don't even need a battery charger to recharge the battery.