Nitecore NL2155HP 21700 Li-ion accu 5500mAh 3.6V button top protected

The Nitecore NL2155HP is a high-performance 21700 lithium-ion battery designed for demanding applications. With a capacity of 5500mAh and a nominal voltage of 3.6V, it delivers reliable power for high-drain devices such as flashlights, power tools, and portable electronics. The built-in protection circuit safeguards against overcharge, over-discharge, short circuit, and thermal events, ensuring safe operation.

Advantages

High capacity of 5500mAh for extended runtime. Button top design ensures compatibility with a wide range of devices. Robust protection circuit enhances safety and battery lifespan. Supports fast charging up to 5A for reduced downtime.

Suitable for

• High-performance flashlights and headlamps
• Portable power stations and battery packs
• Power tools and medical devices
• DIY electronics and hobby projects

Key specifications

• Battery Type: Li-ion (Lithium-ion)
• Size: 21700
• Capacity: 5500 mAh
• Energy: 20.35 Wh
• Nominal Voltage: 3.6 V
• Max Continuous Discharge Current: 8 A
• Terminal Type: Button Top
• Protection Circuit: Yes (Overcharge, Over-discharge, Short Circuit, Thermal)
• Recommended Charging Current: 2 A
• Max Charging Current: 5 A
• Cycle Life: >500 Cycles
• Operating Temperature (Discharge): -20°C to 60°C
• Operating Temperature (Charge): 0°C to 45°C
• Certification: CE, RoHS, FCC

Recommendations

For optimal performance, use with a compatible charger that supports 21700 Li-ion batteries. Avoid short-circuiting and do not disassemble. Store in a cool, dry place.