How you can turn triple-A batteries into double-As this Christmas with secret Amazon gadget: ‘This is a game-changer’

• Handy gadget converts AAA batteries to AA
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Shoppers have discovered a genius gadget that can solve Christmas Day battery woes and change AAAs into AAs to save you an emergency trip to the supermarket. 

Home hacks guru Gabby has started using Adaptor Cell Battery Box Protectors from Amazon which are plastic cases that go over AAA batteries so they work in gadgets that require AAs. 

The lifestyle blogger said it was the ‘best’ buy she’s ever found for Christmas and a ten-pack only costs $14 on from the online mega-retailer. 

Triple-A batteries can be slipped into the plastic casings which have metal contacts at the top and bottom making them then work as double-As. 

They can also be using as protective casings to store AAA batteries to keep them dry when storing. 

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Shoppers have discovered a genius gadget that can solve battery woes and change AAAs into AAs to save you an emergency trip to the supermarket

The battery converters can be bought individually or in multi-packs from Amazon, eBay, Temu, Kogan, Dick Smith and many other electronic or online retailers. 

Gabby shared an Instagram video showing how the handy gadget works impressing thousands.  

‘Ok this is genius, I always have AAA but run out of AA so quickly,’ one woman said. 

‘Adding to the cart… immediately,’ another wrote and a third agreed: ‘What a great hack.’

A post shared by Gabby • Home Decor | Online Deals | Lifestyle (@blessed.in.light)

Reviewers said while the ‘genius’ buys are ‘convenient’, triple-A batteries won’t last as long as double-As and they found devices would run out of charge a lot quicker (stock image)

Others called the converters ‘amazing’ and a ‘game changers’.

Reviewers did warn that while the ‘genius’ buys are ‘convenient’ to have around the house, the triple-A batteries would never last as long as the double-As and they found devices would run out of charge a lot quicker. 

‘These are very useful adaptors to keep around. They allow you to use a AAA battery in place of a AA battery. The voltage of the two batteries is the same,’ one shopper said. 

‘The difference is the amount of ‘capacity’ that each battery has. The AAA powered device will not run for as long, but it will work. I keep several of these in my home for ’emergencies’.’

READ MORE: I decorated my Christmas tree in less than a minute with a little-known $35 Kmart buy: ‘Best money you’ll spend’

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