Combo: OLIGHT M20S (Cree XP-G R5 LED) Flashlight +TN270 Charger & 2 Pcs Tenergy 18650 3.7V 2600mAh ButtonTop Rechargeable Batteries w/PCB World-class super bright Cree XP-G S2 LED, life span up to 50000 hours, Max Output 340Lm Three output levels and strobe, simple interface to adjust output TN270 Charger is with Two independent charging channels for individual charging and detection. Constant current and constant voltage charging mode. Li-ion 18650 cylindrical rechargeable battery with Internal Voltage protection PCB!