Capacity: AA 3000mAh. Compared to alkaline batteries lithium provides great energy density. Go for EBL lithium AA batteries if you concerned and want to lighter weight and standard size!
eBay
LIKEKALA Fast Charging 1.5V AA Lithium-Ion Battery 3800mah Capacity and USB Rechargeable Lithium USB Battery for Toy Keyboard
Aliexpress UK
Nothing outlasts Energizer Ultimate Lithium AA batteries. #1 longest-lasting AA battery. 33% lighter than alkaline batteries (AA/AAA).
eBay
14500 Battery 3.7V AA 800mAh Lithium Battery W/ Welding for Flashlight Electric Toothbrush Razor Barber Rechargeable Batteries
Aliexpress UK
Capacity: 3500mWh / 2333mAh. The weight is about 19g, is 20% lower than Ni-MH batteries. Size: 50.5 14.6mm (Slightly longer than AA batteries without a protective plate).
eBay
100pc Soshine 3.7V 900mAh Li-ion Rechargeable Battery 14500 AA Battery Lithium Batteries 1000 Times for LED Flashlight Wholesale
Aliexpress UK
Lasts up to 20% longer in toys versus Energizer MAX batteries. 25% lighter than standard alkaline.
eBay
1.5V AA Lithium Battery Rechargeable 12000mAh USB-C Fast Charging, Constant Voltage for Smart Lock, Game Controller, Keyboard
Aliexpress UK
These are the World's No.1 longest lasting AA batteries. BUY THE BEST!
eBay
10PCS quantity EEMB ER14505 lithium battery 3.6V SIZE AA 2700mAh for temperature humidity data logger Non rechargeable
Aliexpress UK
Item code also known as AA, LR6, 4006, AM3, E91, FR6, KAA, L91, LR6, MIGNON, MN1500, ND62S, R6, UM3. Nothing outlasts Energizer Ultimate Lithium batteries. Energizer Ultimate lithium AA batteries. Lasts up to 20% longer in toys versus Energizer MAX batteries.
eBay
AIPEKE 1.5V USB AA 4200mWh Lithium AAA and AA Rechargeable Batteries with 4-in-1 USB Cable for Flashlight Toys Camera
Aliexpress UK
4/8/12/16/20/24 AA 3500mWh Batteries. 3500mWh High Power Capacity. High Capacity: 3500mWh (≈2330mAh equivalent) for long-lasting performance. Capacity 3500mWh / ~2330mAh. Capacity 3500mWh(2330mAh). Professional manufacturer of lithium batteries.
eBay
Bestely AA Rechargeable Lithium Battery 1.5V 13600mAh Fast Charging Long Lasting Li-ion Batteries 2000 Cycle with USB- C Cables
Aliexpress UK
Based on standard use, they’re 100% leak proof to protect your work site devices. An invoice is provided for all orders. on all UK orders. Jacs Lighting. Smart Lighting.
eBay
AIPEKE 1.5V 4070mWh Aa Lithium Rechargeable Batteries and Charger 1.5V rechargeable battery АА for Toys Remote Control Camera
Aliexpress UK