STAND HIGH 3.7V 4PCS Rechargeable Lithium Battery 18650 4000mah + 1PCS Dual 18650 Travel charger 18650 battery fit for flashlight, headlight, laser pens.camera, toys, electronic toys and other electronic devices Charge two battery one time. LED charging status indicator 18650 Rechargeable Li-Ion battery with IC Protection 18650 4000 mAh 3.7V Li-ion Rechargeable Battery Smart charger for 18650 batteries