Why settle for two when you candouble the power and mix AA & AAA to suit all your devices?.
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Real Capacity 1200mWh 1.5V USB AAA Lithium Rechargeable Battery AAA Lithium ion Battery+USB Cable Low self Discharge AAA Battery
Aliexpress UK
Battery charging is also available. For AA AAA Li-ion Battery AAA 1.5V Battery AA 1.5V battery Advanced fast charging technology and DC 5V / 2A USB input. 3000mwh li-ion long-lasting Convenient long-lasting double a batteries.
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NOHON 600mWh 1.5V AAA Lithium-ion Battery Type C Rechargeable aaa Batteries for TV Remote Clock Gaming Controller Kids Toy
Aliexpress UK
Capacity: 1100mWh. Over-current protection---Constant current mode to prevent current fluctuations on the impact of the battery.
eBay
For 1.5v AA AAA Lithium Ion Rechargeable Battery 1.5v Battery Charger with LED Indicator Light Smart Charger 4/8 Slots
Aliexpress UK
4/8/12/16/20/24 AA 3500mWh Batteries. 3500mWh High Power Capacity. Capacity 3500mWh(2330mAh). Professional manufacturer of lithium batteries. Constant Output：1.5V. Battery Storage Case. Q: Lithium-ion batteries and disposable batteries, which lasts longer in the flashlight?.
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1.5V AA Batteries & AAA Lithium Ion Battery for 8-Slot Fast Mix Charger Rechargeable with 1300mWh & 3000mWh
Aliexpress UK
Each Paleblue battery can prevent up to 1,000 single use batteries from being thrown away. 4x Paleblue AAA Batteries. Chemistry: Lithium Ion. High ambient temperatures, and higher humidity, increases the internal drain.
eBay
PALO 1.5V AA AAA Rechargeable Li-Ion Battery AAA AA Lithium ion Batteies With LCD USB USB Charger for 1.5V AA AAA Battery
Aliexpress UK
V Battery capacity :AA- 3400mWh. v Specification : AA+AAA. AAA- 1100mWh. v Executive standard : GB/T31241-2014. Working temperatures. Advanced Li-Ion technology & High capacity.
eBay
Soshine AAA 1100mWh 1.5V li ion Rechargeable Battery 1.5v Aaa Lithium Li-ion Batteries for 1.5V 3A 2A Smart Batteries Charger
Aliexpress UK
It brings unparalleled performance other batteries cannot compete. Pallus is your ultimate battery choice. AAA Li-ion Battery. AA Li-ion Batteries. Input: Type-C 5V 2A.
eBay
1.5v AAA 900mWh Lithium-ion Rechargeable Battery USB Type-C Charging for Headset Children's Toys Camera Remote Control
Aliexpress UK
3000mwh li-ion long-lasting Convenient long-lasting double a batteries. Capacity: 3000mWh. Capacity: 1200mwh. AAA 1.5V Battery AA 1.5V battery.
eBay
1.5V AAA Battery Rechargeable 8900mWh Lithium-ion Battery AAA Battery for remote control mouse Electric toy with USB charger
Aliexpress UK