Simply place battery(batteries) into the charging slots.
CR2 CR123A 16340 Battery Charger 3.2V 3V 3.7V LiFePO4 Rechargeable Batteries
Battery Organizer Storage Holder Case with Double-Sided, Garage Box with Tester Checker. Batteries Container for 269pcs AA AAA AAAA 3A 4A 9V C D Lithium 4LR44 CR2 CR123A CR1632 CR2032 18650 - Black
20PCS 3V 1600mAh CR123A CR17345 1000mAh CR2 CR17355 Lithium Battery Camera Alarm
CR2 CR123A 3.2V Battery Charger LiFePO4 Lithium 3V Rechargeable Batteries Charge
Battery Organizer Storage Holder Case with Double-Sided, Garage Box with Tester Checker. Batteries Container for 269pcs AA AAA AAAA 3A 4A 9V C D Lithium 4LR44 CR2 CR123A CR1632 CR2032 18650 - Blue