Batteries Capacity: 3500mWh. It brings unparalleled performance other batteries cannot compete. Hixon is your ultimate battery choice. AA Li-ion Batteries. Size: 50.5 14.6mm(Slightly longer than AA batteries without a protective plate).
eBay
1-8pcs 3.7V 500mAh 902030 Polymer Lithium Ion Rechargeable Battery for LED Lights,bluetooth Speakers MP5 Selfie Stick Battery
Aliexpress UK
AA Batteries AAA Batteries:Features 2/4/6/8/10x 2-in-1 USB Charging Cable. 3300mWh li-ion long-lastingConvenient long-lasting double a batteries.
eBay
Bestseller 5.0Ah -12.0Ah 20V lithium-ion rechargeable battery, compatible with Worx tools as a 20V replacement battery
Aliexpress UK
It has 8 independent charging slots that support any combination of 1-8 AA or AAA lithium batteries, making storage convenient. The upgraded anti-slip design on the side prevents it from falling easily, making it more convenient to carry.
eBay
3.7V 18650 9800mAh capacity lithium-ion rechargeable battery flashlight battery+charger
Aliexpress UK
The energy of 1pc Hixon 9V battery can equal 710pcs 600mAh 9V alkaline batteries at least and can last 20% longer than other batteries.
eBay
Makita Original Lithium ion Rechargeable Battery 18V 6000mAh 18v Replacement Batteries BL1860 BL1830 BL1850 BL1860B
Aliexpress UK
Claims of high capacity Lithium-ion 14500 size batteries. Battery capacity: 800mAh. Material: Aluminium with PVC casing. Do not confuse this type of battery with the similar size 1.5v AA batteries.
eBay
Makita Original Lithium ion Rechargeable Battery 18V 6000mAh 18v Replacement Batteries BL1860 BL1830 BL1850 BL1860B. .
Aliexpress UK
1100mWh High Power Capacity. 2/4/8/12/16/20 AAA lithium battery(by your choose). Professional manufacturer of lithium batteries. Spend Once, Hassle-Free Use. Composition Lithium Ion. Battery Storage Case.
eBay
3.7V 5000mAh 21700 50G Flat-Top Lithium-Ion Rechargeable Battery for Torches,Automotive Battery Assemblies Portable Power Bank
Aliexpress UK
LARGE CAPACITY : 2600mWh AA and 750mWh AAA capacity provides sufficient power for a wide range of products. Long lifecycle will allow over a 1200 usesType C USB CHARGING : Directly plug a Type C USB into the input for quick and easy charging.
eBay
12Ah 24Ah 36Ah LiFePO4 Cells,12V 32700 Battery Pack With Wires Lithium ion Rechargeable Battery ,For Outdoor Lighting
Aliexpress UK
The USB AA Lithium-Ion Rechargeable Battery 1.5V 2600mWh Type C Fast Charge (4 Pack) by Smartoools offers high-quality power for your devices. With a voltage of 1.5V and an amp hours of 2.6 Ah, these batteries provide long-lasting performance. The rechargeable Li-Ion battery size of 2AA ensures reliable power for various applications, making them ideal for use in sound and vision devices. Made in China, this product ensures reliable and efficient power delivery.
eBay
Makita Original Lithium ion Rechargeable Battery 18V 6000mAh 18v Replacement Batteries BL1860 BL1830 BL1850 BL1860B
Aliexpress UK