18650 battery and charger kit combo with batteries
Rechargeable UltreFire Lithium Battery For High Led Can Lights And Flashlights 18650, 3000mAh, 3.7V With Small Fan Charger And Headlamp Functionality From Stralightcom, $3.07 | DHgate.Com
100% New Original NCR18650B 3.7 v 3400mah 18650 Lithium Rechargeable Battery For Flashlight batteries - AliExpress
BMS - Protective Charger Module for 2 Lithium Ion 18650 Batteries - 7,4 V - 4 A
SureFire 18650 Li-Ion Rechargeable Battery with Charging