Nitecore NL2155HP 21700 Rechargeable Battery - 5500mAh High Drain 20A Waterproof Clam Pack

The Nitecore NL2155HP is a high-capacity 21700 rechargeable battery designed for professionals and enthusiasts who rely on dependable, high-drain power. With a standout 5500mAh capacity and a strong 20A continuous discharge, it keeps demanding gear running longer between charges.

• Capacity: 5500mAh for extended runtime between recharges
• High discharge: 20A maximum continuous discharge to support high-current devices
• Protection circuitry: Integrated overcharge and overdischarge protection for safer operation and longer cell life
• Waterproof design: Sealed construction built to withstand wet environments and rugged use
• Packaging: Clam-packed for secure storage and easy transport
• Compatibility: Optimized for 21700-compatible devices that demand steady, high-current power
• On-load performance: Delivers reliable voltage under load to maintain brightness and performance when you need it most

This battery is ideal for high-drain devices such as high-lumen flashlights and powerful torches, outdoor gear, and professional kits where consistent power matters. It delivers stable voltage under load, helping your equipment maintain peak performance during extended use. The NL2155HP’s built-in protection reduces the risk of overcharging or deep discharges, while the waterproof, sealed construction adds resilience for outdoor deployments, rain or shine. The clam-pack packaging makes it practical for spares, field kits, or professional inventories, ensuring you’re prepared for demanding tasks without compromising safety or reliability.