This 3.7V, 2300mAh 18650 Li-Ion Rechargeable Battery from Nitecore has been specifically designed for use in high-drain devices, and features integrated overcharge and over discharge protection circuitry which reduces the risk of damage to the battery. Its positive terminal is a conventional 'button' configuration to be compatible with most devices.
 
Internal Safety Features:
1. Microporous barrier protects delicate internal components.
2. Pressure relief valve activates in the event of a rapid temperature increase
3. Built-in PTC to inhibit high current surges
4. Innovative anode design with high temperature resistance
 
External Safety Features:
1. Equipped at both ends with a nickel-plated S.S protector ensuring high impact resistance, good electrical conductivity and oxidation resistance 
2. Tough plastic circuit board protector 
3. Coated with durable metallic film to guard against abrasion
 
Purpose-designed high-performance protected circuit:
1. Automatically protects against overcharge, over discharge and short-circuiting
2. Utilises a high-quality battery protection IC from Seiko Instruments Japan
3. Utilises high-power MOS-FEE in the current regulation module for better efficiency and superior output
 
Button Top Design:
- Compatible with most lightning tools on the market
-Total length: 2.72"
- Diameter: 0.72"
Low Cost and Environmentally Friendly:
- NL1823 battery can be recharged over 500 times, the equivalent of 500 pairs of CR123 batteries
 
Key Features:
Type: NL1823
Capacity: 2300mAh
Voltage: 3.7V
Charging Current: Maximum 2A (1A current recommended)
Weight: 1.60oz (45.6g)
Length: 2.72" (69.2mm)
Diameter: 0.72" (18.3mm)
Warranty Period: 12 months warranty from the date of purchase