【CONVENIENT FOR REDUCING WEIGHT】This AAA to AAA adapter case converts AAA battery to standard AA battery size. The AA/AAA alkaline battery weight is normally about 23/7.5 grams while our adapter weighs 3.5 grams. Combined they weigh 11grams, meaning reduces the weight of 12 grams after. It is a very noticeable difference in gameplay or even casual use, especially when weight matters

【PERFECT FOR WHEN YOUR AAs RUN OUT&CHEAP BUT SAVING YOUR MONEY】As it can also be used for other electronics in case youre running short on AA batteries, this battery converter is perfect for emergency situations. Also, with this battery converter, you may not need to buy too many AAs or carry too much while travelling , saving your money

【SOLID & PRECISELY MATCHES AA BATTERY】Made of durable ABS, metal bottoms, and tips for a solid electrical connection, this battery adapter shell wont warp or bend as a result of the springs putting pressure on it when you insert into your device. The inner of the adapter fits one AAA battery precisely so that it won’t move around or loose after inserted

【EASY TO USE】Just simply pull apart the case to separate, place AAA battery inside matching the poles correctly, and then push together to close. A regular AA size battery is converted easily and solidly