The high tech Tadiran SL-760 AA 3. It should be noted that this is a specialist battery and not for regular devices; only use in devices requiring 3.
eBay
DLGPOWER 1.5V Lithium Battery AA/AAA Rechargeable battery with charger for Camera Electric toy Remote control Game controller
Aliexpress UK
【Excellent Performance on Travel and Adventure 】The POWXS lithium batteries supplies excellent performance for travel and adventure, the high density lithium cell defies cold and heat, it can works well from -68℉ to 140℉ whether indoor or outdoor.
eBay
4-20PCS Rechargeable Lithium Battery AA 4255mWh/AAA 1100mWh Batteries High Capacity 1.5V Battery for Mouse Remote Control
Aliexpress UK
Nothing outlasts Energizer® Ultimate Lithium™ AA batteries. The Energizer® Ultimate Lithium™ batteries are the #1 longest-lasting AA batteries – complete with leak resistance and performance in extreme temperatures (-40ºF to 140ºF or -40ºC to 60ºC). To ensure your favorite devices operate at their peak performance, depend on Energizer® Ultimate Lithium™ batteries for work, play and home. When capturing memories with your digital camera, protecting your home with a security system or smart door locks, regulating your home’s temperature with a wireless thermostat, greeting guests with wireless doorbells, or managing your remote-controlled home devices, you want the World’s Highest Energy AA batteries – and what many consider the best AA batteries.
eBay
Daweikala AA USB Rechargeable Lithium Ion Battery 1.5V AA 12800mah Power Bank Lifepo4 Batteries Aaa Recharable Lipo4 Recharchabl
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
PALO 1.5V AA Rechargeable Battery 3400mWh 1.5V AA R6 Li-ion Rechargeable battery AA Lithium Batteries for Remote Control Toys
Aliexpress UK
These are the World's No.1 longest lasting AA batteries. BUY THE BEST!
eBay
8-Slot Lithium Battery Charger With Cable For AA 1.5V Lithium Battery Large Capacity Rechargeable Li-ion Battery
Aliexpress UK
9V PP3 Size. For 9V PP3 Batteries. 9v PP3 - 9V, PP3, LR22, MN1604, BLOC, E-BLOC, 6LR61, 1604AU, X22, 1604, 1604A, 1604AC, 4022, 522, 6AM6, 6F22, 9VOLT, A1604, CLR6, K9V, KA9, ND65V, R22, RB100890. Size AA, AAA & 9v PP3.
eBay
AIPEKE 1.5V 3300mWh Aa rechargeable batteries pile USB c Lithium Batería Recargable AA rechargeable battery for Control toys
Aliexpress UK
Energizer Lithium AA LR6 Batteries last 8x longer than standard Energizer LR6 batteries, and are the premier battery for high performance devices. Energizer has proven to provide the longest lasting lithium batteries in the industry and is perfect for high-tech devices or devices that are used more frequently.
eBay
Long-Lasting AA 1.5V USB Rechargeable Battery 3000mWh High Capacity AA Lithium-ion Batteries for Camera Remote Control Mouse Toy
Aliexpress UK
Capacity: AAA 1200mAh/ AA 3000mAh. Weighs 1/3 less than standard alkaline batteries. Working Humidity: ≤70%. Holds power for 15 years when not in use.
eBay
Soshine AA and AAA Li-ion Rechargeable Batteries USB Lithium 1.5V AA 2600mWh 3500mwh 4200mwh +1.5V AAA 600mwh 1100mWh Battery
Aliexpress UK