Nitecore NL1826 2600mAh Rechargeable 18650 Battery

The Nitecore NL1826 battery offers a capacity of 2600mAh at 3.7V with a continuous discharge current of 2A, purpose-built for high-drain, high-performance flashlights. From the renowned Nitecore lineup known for its industrial reliability, it guarantees optimal performance and maximum safety for your most demanding devices.

Capacity and Performance

This 18650 battery delivers 9.6Wh of energy to power your flashlights for hours. Its 2A discharge current ensures consistent power for flashlights, headlamps and professional equipment. With over 500 full recharge cycles, it represents a durable and cost-effective investment offering significant long-term savings compared to disposable batteries. Its 5-year shelf life ensures long-term availability.

Maximum Safety

The NL1826 incorporates internal and external protection against overcharging, over-discharging and short circuits. Its mercury-free, lead-free, cadmium-free construction makes it an environmentally friendly choice. Purpose-built and optimized specifically for Nitecore lights, it guarantees the longest possible runtime for every compatible device.

Specifications

• Li-ion 18650 rechargeable protected battery
• Nominal capacity: 2600mAh at 3.7V (9.6Wh)
• Continuous discharge current: 2A
• Full charge voltage: 4.2V
• Maximum charge current: 2A (1A recommended)
• Recharge cycles: Over 500 full cycles
• Built-in protection: Overcharge, deep discharge, short circuit
• Mercury free, lead free, cadmium free
• Shelf life: 5 years
• Dimensions: 2.73" / 69.3mm (L) x 0.74" / 18.7mm (diameter)
• Weight: 1.60oz / 45.6g
• Recommended chargers: Ci2, Ci4, UMS2, UMS4

Box Contents

• 1 NL1826 2600mAh 18650 Battery

Compatibility

Compatible with Nitecore flashlights P10, P12GT, MH25GT, MH27, MH41, TM16GT, TM26, TM06S, SRT9, SRT7, EC4S and headlamps HC30, HC60, HC65, HC70.

FAQ - Frequently Asked Questions

What is the lifespan of the NL1826 battery?

The battery can perform over 500 full recharge cycles. With proper care, it can last several years.

What is the difference between 2600mAh and 4000mAh?

A higher capacity (4000mAh) means longer runtime, not brighter light. Your device's brightness depends on its design, not the battery's capacity.

How do I properly charge this battery?

Use an intelligent Nitecore charger (Ci2, Ci4, UMS2, UMS4) for optimal and safe charging.

Can I store this battery in my car's glove box?

Not recommended. Extreme heat can damage the battery and reduce its lifespan. Store it in a cool, dry place away from direct sunlight.

What is the warranty on this battery?

The NL1826 battery comes with a 12-month warranty from the date of purchase, covering manufacturing defects.