There is an on/off switch on the battery. Can be used to 12V power in various fields. With standard 5.5x2.1mm DC connector plug, provides excellent continuous power to your devices. Plug Type: DC connector 5.5x2.1mm.
eBay
12V Lithium Battery For Makita BL1021B BL1020 Rechargeable Battery Replacement BL1016 BL1015 BL104 DF331D Power Tools Batteries
Aliexpress UK
There is an on/off switch on the battery. Can be used to 12V power in various fields. With standard 5.5x2.1mm DC connector plug, provides excellent continuous power to your devices. Plug Type: DC connector 5.5x2.1mm.
eBay
1-18pcs screwdriver drill SC battery 1.2V 2200mah SubC nickel cadmium rechargeable battery with Tab power tool SubC battery
Aliexpress UK
IP67 Rated sealed waterproof enclosure, suitable for outdoor use. of Charging Ports 1 Port. 12,800mAh Li-ion battery capacity. Battery Capacity 12.8Ah. During that process you will be issued with an RMA number.
eBay
AA Battery Rechargeable 1.2V Ni-MH Battery 2000mAh 2A Ni MH AA Batteries for Clock Toys Flashlight
Aliexpress UK
1 x 12v 3000mah Battery. Can be used to 12V power in various fields. Short circuit, leakage protection, safety, no need to worry. With standard 5.5x2.1mm DC connector plug, provides excellent continuous power to your devices.
eBay
9.6v 3000mah Rechargeable Battery For Rc toys Cars Tanks Robots Gun NiMH Battery AA 9.6v 2400mah Batteries Pack For Rc Boat
Aliexpress UK
AAA- HR03, LR03, MN2400, MICRO, 24A, 24AC, 4003, 824, AM4, E92, K3A, FR03, ND61R, R03. Also Known As AA - HR6, LR6, MN1500, MIGNON, 15A, 15AC, 4006, 815, AA, AM3, E91, KAA, ND62S, STILO. AA 1300 mAh Batteries.
eBay
4.8V 5000mah NiMH AA Battery For Rc toys Cars Tanks Robots Boats Guns 4.8v Rechargeable Battery 4* AA Battery Pack 1-10PCS
Aliexpress UK
Capacity of battery: 12V 3800mAh / 5V 5800mAh. Specially designed for a wide range of applications eg. 1 x Power lead. Larger mAh value for long battery duration.
eBay
Kuugro ku-4000 18650 Battery 4000mAh 3.7V 12A Discharging Rechargeable Batteries For Battery Packs Power Tool Flashlight Fan
Aliexpress UK
Battery capacity: 1500~30000mAh (Optional). Battery weight: 155g-1350g (1800mAh- 30000mAh). Super storage capacity,specially designed for the system devices which use 12V power. Line interface specification: DC 5.5-2.1 mm plug.
eBay
24V 7S4P 18650 Battery 100000mAh Electric Wheelchairs Rechargeable Lithium Ion Battery Pack 24v Lithium Battery 29.4V 2A Charger
Aliexpress UK
Capacity:1800mAh- 20000mAh. Portable DVD, MP3 player, smart card, aviation model and so on. Can be used to 12V power in various fields. Super storage capacity. The battery is best not to use more than a year, to avoid capacity decline.
eBay
MELLWIN 7500mAh/15000mAh Rechargeable Lithium Ion Battery Pack With Battery indicator Power Tool For Makita 18V Battery Pin
Aliexpress UK