Suitable for almost all AAA batteries, turn AAA battery into AA battery. 4 AAA to AA Battery Converter. Negative plate is flexible, so it can fits AAA battery with different length. Two ends of the shell adopt fixed chuck design, more stable.
eBay
Compatible Battery Types: Supports charging for multiple types, including 9V NiMH batteries. Battery Type Detection: Automatically detects battery types but allows manual selection for 3.2V LiFePO4, 3.8V IMR, and 9V NiMH batteries.
eBay
2 Count Ceramic Flowerpot Man Succulent Planter Container Small Desktop. This battery adapter is an essential accessory for DIY electronics enthusiasts. It allows you to convert AAA batteries into AA batteries, making it compatible with a wide range of devices.
eBay
10 AAA to AA Battery Adapter Converter. Both convenient and functional. Small size, easy to carry.
eBay
Option to use 1 AAA, 2 AAA, 3 AAA or use 4 AAA for more capacity. Convert any AAA battery to a C battery.
eBay
Quantity: 1 set(4pcs). Battery holder converter: Switch size AAA battery to AA battery. 4 pcs x AAA To AA Battery Converter(other accessories demo in the picture is not included.). These battery converter is convenient, reduce weight and save money for you.
eBay
Can convert any size AAA battery to a size C battery. Option to use 1 AAA,2 AAA, 3 AAA or use 4 AAA for more capacity. Option to use 1 AAA,2 AAA, 3 AAA or use 4 AAA for more capacity. The item is a set of 4pcs battery adapter converter cases, which are specially used to connect four AAA batteries together for replacing a large C battery.
eBay
10 AAA to AA Battery Adapter Converter. Small size, easy to carry.
eBay