Why settle for two when you candouble the power and mix AA & AAA to suit all your devices?.
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12V 18650 Battery pack 16800mAh 18650 Rechargeable batteries 12.6V PCB Lithium Battery pack Protection Board 12.6V 1A Charger
Aliexpress UK
High performance for most high-power demand device.
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7.4V 18650 Battery Pack 2S Lifepo4 Batteries Packs 1500mah 3000mah 3500mah 4000mah Rechargeable battery Plug
Aliexpress UK
Capacity: 3500mWh / 2333mAh. Capacity: 3500mWh. Size: 50.5 14.6mm (Slightly longer than AA batteries without a protective plate). The weight is about 19g, is 20% lower than Ni-MH batteries. Input: Type-C 5V 2A.
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48V 13S2P 18650 Powerful Battery Pack, 10Ah Large Capacity Lithium Battery, Rechargeable Li-ion Battery Pack, with 54.6v Charger
Aliexpress UK
• Eco-friendly alternative to disposable batteries.
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2-50pcs EVE 26V ICR 18650 Battery 2550mAh CDR 7.5A 3.6V Flat Top Battery Rechargeable Lithium-ion Cell For DIY Battery Pack
Aliexpress UK
Made from 4 x AA 2500mAh Nimh. Fitting : Futaba. Weight : 125g. ready to play, where as the old Ni-MH type would be very low on capacity.
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100% New 7S3P 18650 24V 100000mAh Rechargeable Batteries 24V Lithium Battery Wheelchair Battery 7s3p Battery Pack for Bicycle
Aliexpress UK
Fast, safe charging to AA or AAA batteries from 3 to 5 hours. OTHERWISE YOU WILL JUST RECEIVE BATTERIES. LCD panel indicating charging status. Bad battery detection and reverse polarity protection. We pride ourselves on our reputation for ensuring all orders are quickly processed and despatched.
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100% New 7S3P 18650 24V 100000mAh Rechargeable Batteries 24V Lithium Battery Wheelchair Battery 7s3p Battery Pack for Bicycle
Aliexpress UK
8x 2800mAh AArechareable batteries. Battery type: AA R6. Longer in high drain devices than Alkaline batteries. Total Weight: 220g.
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HoverBoard 24V 30000mAh Rechargeable Batteries 29.4V Lithium Battery Wheelchair Battery 7S3P li ion Battery Pack for HoverBoard
Aliexpress UK
V Specification : AAA. Advanced Li-Ion technology & High capacity v Battery capacity : AAA-1100mWh. v Charging port : Type-C.
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Gisam Rechargeable Battery 4.0AH 4.5AH Power Tool Lithium battery Led indicator batteries Pack For Makita 18v Battery Pins
Aliexpress UK