Why settle for two when you candouble the power and mix AA & AAA to suit all your devices?.
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9.6V 3000mAh Ni-MH Battery + USB Charger For Rc toys Car Tank Train Robot Boat Gun AA 9.6v AA Ni-MH Rechargeable Battery Pack
Aliexpress UK
These high power batteries are direct replacements for 1.5 Volt batteries. They are suitable for any electrical item that requires batteries, especially when power and reliability are essential e.g. CD/MP3 players. Ni-MH batteries are good for up to 1000 charges and are better than Ni-CDs because they have a greater capacity and do not suffer from the "memory effect" that reduces Ni-CD performance. They are also recyclable, cadmium free, and environmentally friendly. Charge time is about 8hrs. What you get: 4 x AA Size Ni-MH Rechargeable Batteries .
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Kuugro 18650 Lithium Battery 3500mAh 3.7V Discharge 12A Original INR18650 MJ1 18650 Rechargeable Battery for Power Tools Pack
Aliexpress UK
The AAA 700mAh Energizer Power Plus Rechargeable Batteries come in a pack of four, making them perfect for powering low drain devices. With a voltage of 1.2V and a long-lasting power supply, these NiMH batteries are a reliable choice for various electronic devices. The convenient UK post ensures fast and efficient delivery, so you can enjoy uninterrupted use of your devices. Trust in the Energizer brand for quality and performance.
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9.6V 700mAh NiCD Rechargeable Battery for RC Cars Tanks Robots Boats Ship Remote Control Toys Guns AA Battery Pack
Aliexpress UK
Capacity: 2800mAh. 4x Battery. 1x Storage case box.
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7.4V 4000mah-8000mah 18650 li-ion rechargeable battery pack with PH2.0 Plug 18650-2S lithium battery For megaphone speaker parts
Aliexpress UK
Manufacturer : EBL. Item model number : EBL AA.
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12v battery pack 100ah 3s7p LiFePO4 18650 Rechargeable with BMS&Charger DIY Solar Lithium Battery LiFePO4 Grade A
Aliexpress UK
Whatever your power needs, it will last longer with Duracell. AA Battery. Duralock technology: Yes. Capacity: 2500mAh. AA Size batteries are also known as MN1500, LR6, LR06 etc. Use in any AA Battery compatible product.
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7.4V 18650 lithium battery 5000mAh 10000mAh 15000mAh Rechargeable battery pack megaphone speaker Monitors LED lights XH-2P Plug
Aliexpress UK
Battery Type: AA. Could be used when you get it. -Longer life in the high drain devices than normal Alkaline batteries. PR0 TYPE, PREMIUM CLASS, TOP OF RANGE, SIMPLY ONE OF THE VERY BEST, GRADE A.
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Upgrade 6V 5000mah NiMH Battery For Rc Toy Cars Tank Truck Robots Guns Boats Parts AA Ni-MH 6v Rechargeable Battery Pack 2400mAh
Aliexpress UK
Featuring a massive manufacturer-stated4700mAh high capacity, these batteries are built to keep your power-hungry devices running longer before needing a top-up.
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12V 24v 45Ah Lithium Titanate Battery pack Yinlong LTO 66160 10C High-power Built-in BMS Car audio Rechargeable Battery Tax-free
Aliexpress UK