Dual 18650 Battery Charger | Compatible with Knightro, Sidekick and Titan

This handy charger allows you to conveniently power up two 18650 batteries simultaneously.

These popular rechargeable lithium-ion batteries are widely used in various electronic devices, including laptops, cameras, flashlights, and even some Guard Dog Security stun guns like the Knightro, Sidekick and Titan.