Nitecore NL1840HP High Performance Li-ion Battery

Nitecore NL1840HP High-Performance Li-ion Rechargeable Battery (18650 – 4000mAh)

The Nitecore NL1840HP is a high-drain 18650 lithium-ion battery purpose-built for demanding electronic devices such as LED torches, headlamps, portable lighting systems and other equipment that requires strong, sustained power output. With a 4000mAh capacity and a 3.6V nominal voltage (14.4Wh), it delivers both endurance and consistency in performance.

This battery supports a continuous discharge rate of up to 10A, making it ideal for high-lumen torches and devices with burst or turbo output modes. Designed to meet the needs of professionals and enthusiasts alike, the NL1840HP provides reliable power in critical applications like camping, security, industrial use, and emergency response.

Built-in internal protection circuits safeguard against overcharge, over-discharge, and short-circuit conditions. The battery also includes pressure relief valves and a microporous barrier to offer enhanced thermal and structural safety. This ensures peace of mind when using it in extreme environments or for prolonged periods.

With a lifespan of up to 500 full charge/discharge cycles, the NL1840HP is a cost-effective and environmentally friendly solution. Its robust stainless steel protection and impact-resistant design ensure durability, even in rugged use. It is fully compatible with dedicated Nitecore external chargers and most standard 18650 battery chargers.

Whether you’re powering a tactical flashlight or a portable light panel, the NL1840HP provides consistent output with minimal voltage drop. It’s an excellent choice for those who need a dependable, high-performance battery in the field.

Key Features:

• High-capacity 4000mAh 18650 Li-ion battery
• Supports 10A high-discharge current
• Advanced protection against overcharge/discharge
• Built-in pressure relief valve and thermal protection
• Durable, impact-resistant stainless steel construction
• Compatible with standard 18650 chargers

Conclusion

The Nitecore NL1840HP offers powerful output, safety, and long-lasting performance—perfect for high-drain devices in demanding conditions.

Description

Nitecore NL1840HP 18650 Li-ion battery – 4000mAh, 10A high-discharge, 3.6V, built-in protection, ideal for torches, headlamps and high-drain gear.