You can never have too many batteries. That’s just common knowledge in a world where batteries are everywhere. Some are rechargeable, and that’s always a good thing for the planet. Right now Amazon is giving you the chance to get your own rechargeable AA batteries, with a pack of four available for just $9.06.

Normally these batteries would sell for around $15, so you’re saving 40% here today. You don’t need to enter any discount codes or clip any coupons in order to take advantage of this deal, either. Just add the batteries to your cart and then check out. Oh, and these batteries come pre-charged, so you don’t even need to worry about charging them when they arrive at your door!

These Panasonic Eneloop batteries are some of the most popular around thanks to their high capacity and the fact that they can be recharged a lot of times. 2,100 times, to be exact. They won’t lose too much of their 2,000mAh capacity, either. Panasonic claims that these Eneloop batteries will maintain as much as 70% of their capacity when they are ten years old.

Unlike some rechargeable batteries, these don’t suffer from the memory effect. No matter whether you charge these batteries when they are fully depleted, or straight after they’ve just been charged, there will be no impact on longevity or capacity. Again, that isn’t something all batteries can boast.

We don’t know how long this bargain price will be around for, though. If you want to add some new rechargeable batteries to your collection, we’d suggest doing it sooner rather than later.

Buy: Panasonic BK-3MCCA4BA Eneloop AA 4-pack from Amazon: $9.06 | Original price: $15

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