FEATURES: 

   ***Capacity Breakthrough - 4000mAh 18650 Li-ion Battery

   -Collaboratively developed by NITECORE and its industry partner, It features an energy density of 288mWh/g and a high capacity of 4,000mAh (14.4Wh), which is 17.6% higher than conventional 18650 Li-ion batteries - equivalent to four CR123A batteries.

   ***USB-C Rechargeable

   -Fully Charged: Green Constant-on

   -Charging: Red Constant-on

   ***Dual Charging Ways

   -Charge via a USB-C Charging Cable or an External Charger 

   ***Internal Safety Features

   -Pressure relief valve activated in the event of a rapid temperature increase

   -Built-in intelligent protective circuit of the positive polarity protects against overcharge, over discharge and short-circuiting

   ***Purpose-designed High Performance Protected Circuit

   -Effectively protects against overcharge, over discharge and short-circuiting

   -Utilizes a high-quality battery protection IC

   -Utilizes high-power MOS-FET in the current regulation module for better efficiency and superior output

   ***External Safety Features

   -Equipped at both ends with a nickel-plated stainless steel protector ensuring high impact resistance, good electrical conductivity and oxidation resistance

   -Coated with durable metallic film to guard against abrasion

   ***Mercury Free, Lead Free and Cadmium Free

   -For safe use and storage

   ***≥500 Full Charging Cycles

   -Low Cost and Environmentally Friendly

   -Retains over 80% of its capacity after 500 charging cycles.

   ***Safe and Reliable

   -Globally insured and multiple global certifications approved

SPECIFICATIONS: 

   *Capacity:4,000mAh 3.6V (14.4Wh) 

   *Diameter:18.5mm±0.3mm / 0.73"±0.01" 

   *Length:71.0mm±0.3mm / 2.80"±0.01" 

   *Weight:51g / 1.80 oz 

   *Charging Port:USB-C

PACKAGE CONTENTS: 

   1xNitecore NL1840R Battery