EBL sent me its new AIR III rechargeable AA lithium battery kit for review. This isn't a paid review, and the company hasn't had any control over what I write here.
Rechargeable AA batteries aren't exactly the sexiest category in tech, but they're one of those products that can quietly make life easier if you still have a pile of remotes, controllers, flashlights, toys, smart-home gear, or other devices chewing through disposable batteries.
The EBL AIR III kit takes a slightly different approach. Instead of giving you a loose set of cells and a bulky charger, you get eight 1.5V lithium AA batteries with a compact charging and storage box built around the whole system.
EBL AIR III Rechargeable AA Batteries Review
The charging box is the best part
The most useful thing about this kit isn't some wild battery breakthrough. It's the packaging.
The AIR III set gives you eight AA batteries and a dedicated charging box, which means the batteries actually have somewhere to live when they aren't inside a device. That's a small detail, but anyone who has ever opened a drawer and found six mystery batteries rolling around next to an old USB cable knows why it matters.
It also makes the kit easier to keep together and easier to throw in a drawer, bag, or gear case without losing half the set.
1.5V lithium instead of traditional 1.2V rechargeables
One of the bigger differences here is voltage.
Traditional NiMH rechargeable AA batteries generally run at around 1.2V. The AIR III batteries are rated for a constant 1.5V output, which makes them a better fit for devices that expect the voltage behavior of a normal alkaline AA.
That doesn't automatically make them compatible with every gadget on Earth, but the steady 1.5V output is one of the more compelling reasons to look at lithium rechargeables instead of older rechargeable AA designs.
EBL rates each battery at 3000mWh, and the current product listing advertises up to 1,600 recharge cycles while retaining 80% capacity. For reference, 3000mWh works out to roughly 2,000mAh at the 1.5V output, a bit under what good NiMH AAs manage. That's a manufacturer claim, not something I'm going to pretend I personally verified by charging batteries 1,600 times for this review.
Still, even if real-world longevity lands below the marketing number, the basic economics are easy to understand: a rechargeable set can replace a lot of disposable batteries over its usable life.
Lighter than a typical AA
EBL also markets the AIR III cells as being around 40% lighter than standard alkaline AA batteries.
That difference matters more in devices that use several batteries at once. A few grams here and there isn't exciting on paper, but it can make a controller, flashlight, handheld gadget, or other multi-battery device feel less brick-like. I haven't put these on a scale or run timed drain tests against alkalines, so I can't tell you how much of that difference you actually feel day to day.
It's not a reason by itself to buy the kit, but it's a nice side benefit.
The convenience factor is strong
This is where the AIR III kit makes the most sense to me.
You're buying one organized system: eight batteries, one charging solution, and one storage box. There isn't much setup involved, and there aren't loose batteries scattered across the desk waiting to vanish into another dimension.
For homes with a bunch of AA-powered gear, that's more appealing than repeatedly buying disposable packs or maintaining a random collection of rechargeable batteries and chargers from different brands.
The AIR III also uses lithium chemistry, which is designed to deliver a steadier voltage curve than a disposable alkaline battery as it drains. In practical terms, devices that are sensitive to declining voltage should be less likely to start acting weak long before the battery is actually empty.
A few things to keep in mind
There are still a couple of reasons not to blindly replace every AA battery you own with these.
First, rechargeable lithium AA batteries aren't universally compatible with every device, so check the requirements for anything especially sensitive or safety-critical.
Second, you're buying into EBL's charging system rather than grabbing any old AA charger out of a drawer. That's not necessarily a problem, especially since the charger is included, but it's worth knowing.
And finally, the upfront price is obviously higher than a cheap pack of disposable alkalines. The current Amazon listing has been hovering around the mid-$30 range, although Amazon pricing changes constantly. The value comes from reuse over time, not from being the cheapest way to get eight AA batteries today.
Affiliate disclosure: If you buy through links on Tony Reviews Things, I may earn a commission at no extra cost to you.
Check current pricing on Amazon
The verdict
EBL AIR III
A tidy 1.5V rechargeable AA system where the charging-and-storage box is the real product; my hands-on time is short, so long-term durability is still an open question.
- Type
- 1.5V rechargeable lithium AA (8-pack)
- Rated capacity
- 3,000mWh per cell (manufacturer rated)
- Cycle life
- Up to 1,600 cycles at 80% capacity (manufacturer claim)
- Charging
- Included charging-and-storage box
- Claimed weight
- About 40% lighter than alkaline AAs (manufacturer claim)
What works
- One organized system: The charging box doubles as storage, so the batteries actually have somewhere to live.
- Constant 1.5V output: Rated to behave like an alkaline in devices that dislike the 1.2V sag of NiMH cells.
- Everything included: Batteries and charger ship together, with no separate charger to buy.
- Reuse economics: Even below the marketing cycle count, a rechargeable set should outlast a pile of disposables.
Tradeoffs
- Durability is unproven: The 1,600-cycle figure is EBL's claim; I haven't run anything close to that in my testing.
- Capacity per charge is modest: 3,000mWh is a bit under what good NiMH AAs manage, per EBL's own rating.
- Proprietary charging: You're locked into EBL's box rather than any generic AA charger.
- Not universal: 1.5V lithium AAs aren't right for every device, so check before swapping them in.
Tony's take
Verdict
The EBL AIR III rechargeable AA battery kit isn't trying to reinvent batteries. It mostly fixes the annoying parts of owning rechargeables.
You get eight 1.5V lithium AA cells, a compact charging and storage solution, solid rated capacity, and a much tidier system than keeping disposable batteries piled in a drawer.
If your house still has plenty of AA-powered devices, the AIR III kit makes sense as a reusable replacement for constantly buying another pack of alkalines. The charging box in particular turns what could have been a pretty boring battery bundle into a more complete system.
Just make sure the devices you plan to use them in support 1.5V rechargeable lithium AAs.
Disclosure: EBL provided the AIR III battery kit for review. EBL did not pay for this review or receive editorial approval over its contents.
