Nitecore® NL1840HP Li-ion Rechargeable Battery

NL1840HP is a high-drain 18650 Li-ion rechargeable battery for devices that need higher current. It delivers 4,000mAh (14.4Wh) and a 10A continuous discharge, making it a strong match for high-output flashlights, headlamps and other 18650-compatible gear. In compatible devices, it can also replace CR123A battery setups.

The cell features a protected design (overcharge/over-discharge/short-circuit protection) plus a pressure relief valve, reinforced ends, abrasion-resistant coating and IPX6 water resistance. It’s rated for 500 full charge cycles and specified to retain over 80% capacity at 500 cycles.

• Type: 18650 Li-ion rechargeable battery (high-drain);
• Energy: 4,000mAh, 3.6V (14.4Wh) | Energy density: 288mWh/g;
• Continuous discharge current: 10A (high-drain);
• Cycle life: 500 full charging cycles;
• Water resistance: IPX6 (splash & rain resistant);
• Safety features: protection circuit against overcharge/over-discharge/short circuit; pressure relief valve;
• Durability: reinforced ends (nickel-plated stainless protector) + abrasion-resistant coating;
• Materials: mercury-free, lead-free, cadmium-free;
  
• Size & weight: 18.6 ±0.3 mm diameter; 69.8 ±0.3mm length & 50g.