NL1840 Rechargeable Battery, 4000 mAh

The First 4000 mAh 18650 Li-ion Battery Collaboratively developed by NITECORE and its industry partner, it features an energy density of 288 mWh/g and a huge capacity of 4,000 mAh (14.4Wh), which is 17.6% higher than conventional 18650 Li-ion batteries.

Features

• Built-in intelligent protective circuit of the positive polarity protects against overcharge, over discharge and shortcircuiting
• Pressure relief valve activates in the event of a rapid temperature increase
• Effectively protects against overcharge, over discharge and short-circuiting
• Utilizes a high-quality battery protection IC
• Utilizes high-power MOS-FEE in the current regulation module for better efficiency and superior output

Specifications

Model: NL1840
Type: 18650
Capacity: 4000 mAh
Voltage: 3.6V (14.4Wh)
Charging Current: Maximum 2A (1A current recommended)
Weight: 50 g
Size: Diameter 18.6 mm±0.3 mm
Length: 69.8 mm±0.3 mm
Warranty Period: 12 months warranty from the date of purchase

Compatible with most 18650 based lighting tools on the market