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  1. Hardware
  2. Retro

This "boring" Prime Day purchase is what I'd call an essential buy for Game Boy fans and retro handheld lovers

Deals
By Phil Hayton published 9 July 2025

Treat your old Game Boy to some fancy new batteries this Prime Day.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Rechargeable AA batteries in black and yellow case with Game Boy on left, modded Game Boy Color below, and Game Boy Advance on right sitting on woodgrain desk.
(Image credit: Phil Hayton)
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I've always been a massive Game Boy nerd, and it pains me that Prime Day doesn't cater more to the OG Nintendo handheld. However, if you fancy giving the old-timer a treat, you could use the sale to grab some rechargeable batteries that'll keep the portable running for longer.

Yes, you could just mod your Game Boy, but I like to keep some of my gaming handhelds truly authentic. So, for the portables in my collection still rocking those spring contacts you often see covered in corrosion, I picked up a set of 3,600 mWh AA batteries that recharge via a USB-C case. Prime Day has knocked the 8-pack down to $23.69 from $35.99, and it beats messing around with disposable cells.

3,600mWh AA rechargeable battery kit | $35.99 $23.69 at AmazonSave $12.30 -

3,600mWh AA rechargeable battery kit | $35.99 $23.69 at Amazon
Save $12.30 - For under $25, you're getting a pack of eight rechargeable lithium-ion batteries that come in a USB-C charger case, and the reusable cells will pay for themselves pretty quickly. If you like to mess around with old Game Boys, or even just use a standard Xbox controller, these are going to prove invaluable.

UK: £32.99 £21.99 at Amazon

View Deal

I'm pretty guilty of letting my Game Boy and other handhelds (looking at you, Game Gear) guzzle AA batteries like they're a tasty Alkaline soup. That then puts me in the predicament of rounding up all the dead bats to take to a recycling centre, and the whole rigmarole just feels very 1999.

Therefore, rather than picking up a trusty set of PUKCELL AA's, I decided to pick up the above 3,600mWh AA rechargeable battery kit as my first Prime Day purchase. There are some benefits that are pretty obvious, like being able to use the same set once they run out, and they're rated for a massive 1,600 cycles. Depressingly, that means they'll probably outlive my Game Boys (and potentially me), but there are plenty of other perks tied to these bats too.

For starters, these specific AA cells boast 3,600mWh capacity. For context, a pack of Amazon Basics rechargeable batteries measures in at 2,000mAh, so this set will run for much longer. Traditional Alkaline options also normally hold between 1800-2600mAh, and your mileage can vary massively depending on the device in question.

Image 1 of 2
Rechargeable batteries within transparent Game Boy Advance with cover removed.
(Image credit: Phil Hayton)
Rechargeable battery case surrounded by Game Boy, Game Boy Color, and Game Boy Advance SP on woodgrain desk.
(Image credit: Phil Hayton)

If we're talking old handhelds specifically, you should be able to get beyond the 30 hours of playtime promised by Nintendo (they weirdly still have technical data live for the OG Game Boy on their official site). Again, runtime is going to vary depending on your device of choice, as even the step up to the GBC means a larger power draw mixed with fewer or more batteries required. I'm also pretty sure my AMOLED modded Game Boy Color will put these to the test, too.

Another nice touch with lithium-ion batteries like the ones included with this set is their fast charging qualities. You'll be able to get these cells to full charge in just four hours, which is going to save me scrambling for charged-up cells when blasting through Zelda: A Link to the Past for the zillionth time. The cells also output 1.5V of stable power that shouldn't drop even when capacity is running low, which is theoretically better for your Game Boy's innards and will stop it sounding like a dying cat when it's nearly out of juice.

Is this potentially one of the most boring gaming spotlights I'll share over Prime Day? Absolutely, but I stand by it being one of the best purchases a Game Boy enthusiast can make. They're going to be handy for any retro console of the handheld variety, and I'll even be using these batteries with the Modretro Chromatic this week for something I'm cooking up (watch this space).

  • View more handheld deals at Amazon
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Looking for more Amazon discounts? Swing by the best Prime Day Steam Deck deals and best Prime Day Asus ROG Ally deals for portable price cuts. You'll also want to check out where to buy the Nintendo Switch 2 if you want Ninty's latest handheld.

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Hardware Editor

Phil is the Hardware Editor at GamesRadar+ who specializes in retro console setups, choosing the latest gaming handhelds, and navigating the choppy seas of using modern-day PC hardware. In the past, they have covered everything from retro gaming history to the latest gaming news, in-depth features, and tech advice for publications like TechRadar, The Daily Star, the BBC, PCGamesN, and Den of Geek. In their spare time, they pour hours into fixing old consoles, modding Game Boys, exploring ways to get the most out of the Steam Deck, and blasting old CRT TV visuals into their eye sockets.

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