The SPERAS E1T is an economic, high lumen, tactical LED flashlights. This flashlight is equipped with LIMINUS SST40 powered by 1* 18650 lithium battery with 1700lm max lumen output. The E1T features with a tail switch and simple operational way which allows the user to access turbo and strobe for tactical purpose. It is very suitable for police, military, army, law enforcement, security guarding etc. R26 - Battery Rechargeable Lithium 18650 battery with USB port Volume:2600mah / Powered: 9.62Wh Voltage:2.8V - - 4.2V R34 - Battery Rechargeable Lithium 18650 battery with USB port Volume:3400mah / Powered: 12.58Wh Voltage:2.8V - - 4.2V