The Fenix E35R High-Performance Rechargeable EDC Torchlight is a very powerful torchlight that uses a 21700 battery that can lasts up to 69 hours on Eco mode. This Fenix E35R is rechargeable and powered by Fenix ARB-L21-5000 V2.0 battery which activates the maximum output of 3100 Lumens and has a very wide beam. It has also a feature of Intelligent Overheat Protection (IOP) which protects against high surface temperatures. In addition, the flashlight features its pint-sized body for optimal grip. The six lighting modes is controlled by a convenient side switch and has the ability to lock and unlock by double clicking within 0.5s. This can be a reliable tool and one of the best everyday carry flashlight around both indoor and outdoor lighting. 
Batteries
Included:  Fenix ARB-L21-5000 V2.0 5000mAh 21700 battery
Size
120 x 26.5 x 24.8 mm
Weight: 148 g
Included
Flashlight
Lanyard
ARB-L21-5000 V2.0 Battery
Spare O-ring
USB Type-C Charging Cable
E35R User Manual