Nitecore NL2150 5000mAh Rechargeable 21700 Battery

High-capacity 5000mAh rechargeable battery designed for high-drain devices. Offers improved performance and energy density over 18650 batteries. Built-in safety features include overcharge, over-discharge, and short-circuit protection. Durable nickel-plated connectors resist impact and corrosion ideal for Nitecore flashlights and other 21700-compatible gear.