Battery Size: AA.
eBay
3.7V 14500 Rechargeable Battery 800mAh Li-ion Lithium Cell (AA Size) for High-Power Flashlight, Headlamp, Electric Toy
Aliexpress UK
USER-FRIENDLY EcoBattery can power any device requiring long life AA batteries.
eBay
Rechargeable AA Batteries 1.2V 600mAh NiMH Cell for Solar Garden Lights, LED Torch, Shaver, Wireless Mouse, Microphone
Aliexpress UK
Capacity: 3000mah /9800mah. Type:16Pcs 1.5V AA(5 size). It is easy to cause the second charging effect of over playing movies. size：18 68（mm）.
eBay
1.5V AA Lithium Rechargeable Battery 3330mWh / 2220mAh Type-C Li-ion Batteries for Camera, Gamepad, Wireless Mouse, Toys
Aliexpress UK
Stable Output: Enjoy peace of mind with a steady output power stabilized at around 1.2V. 1.2V Stable Output. Don't compromise on quality or sustainability. These batteries function seamlessly in temperatures ranging from -40℃ to 140℃.
eBay
2-20PK Durable AA+AAA USB Lithium-ion Battery 2500mWh & 600mWh High Capacity Type-C Rechargeable Batteries for Camera Mouse Toys
Aliexpress UK
The product is a pack of 4 rechargeable AA batteries, specifically AA size batteries with a voltage of 1.2V. (3800mAh) These batteries are NiMH in chemical composition, making them suitable for high and low drain devices in the sound and vision category. The rechargeable feature adds value to these batteries, allowing them to be used repeatedly for various electronic devices.
eBay
PHOMAX Lithium Batteries Fast Charger 4200mWh1110mWh AA/AAA Rechargeable Battery For Control Car Toy Lamp Radio Speaker Remote
Aliexpress UK
Battery cell composition: NiMH. Verify device compatibility with 1.2V NiMH batteries. Check proper fit as NiMH batteries are slightly larger than alkaline batteries to comply with IEC standards. To find a recycling location near you, simply copy/paste this link into your browser: call2recycle.org/locator.
eBay
Soshine AA 14500 LiFePO4 Battery 3.2V 700mAh Rechargeable Battery 1000 Cycles Time for Wireless Mouse Electric Toy Flashlight
Aliexpress UK
Safety protection:Introducing electrolytes and related technologies with better safety performance to improve battery stability and safety.This AA NI-MH battery has passed 6 professional safety tests: Leakage, Anti-explosion, Drop, Short circuit, High and Low Temperature tests, and did not explode or burn during the test.
eBay
Soshine 2600mWh USB Rechargeable Lithium Batteries 1.5V AA Li-Ion Battery 1200 Times Cycle for Clocks Remote Cameras Flashlight
Aliexpress UK
Ink Jungle. Up to 5 years total usable battery life under typical usage patterns.
eBay
12v 700mah NiCD Battery For Rc toy Car Tanks Trains Robot Boat Gun Ni-CD AA 700mah 12v Rechargeable Battery 1Pcs
Aliexpress UK