Best Rechargeable 9V Batteries of 2026

"I've started using these rechargeable batteries for my hurricane kit and other essentials. The big advantage is not needing to check charges on disposables or keep buying new batteries. My first order lasted a solid two years, and the ones I bought last year are still holding a charge really well!"

"For devices that drain batteries quickly, these rechargeable C batteries are a real money-saver. They work reliably for things like my baby's swing, perform on par with generic disposables, and have a sturdy, quality feel. While they might not last quite as long as the premium brands in high-drain gadgets, I find them more than adequate for most home uses and appreciate the savings."

"I use a lot of 9-volt batteries, so finding a rechargeable option that's actually cheaper in the long run is great. They keep their charge for a good while and don't take forever to recharge. I've already gotten my money's worth after just a couple of recharges."

"I was looking for batteries that would last and not die out randomly. With the Energizer MAX 9V 4-pack, I got just that. I put one in my smoke detector and another in my guitar amp—both are running perfectly. The packaging was clean, there was no corrosion, and the expiration dates are far out, giving me peace of mind. This is the kind of battery you can buy and forget about for a long time."

"These batteries are perfect for my smoke and CO detectors. The pack comes with four, which is just what I needed for annual replacements. They last over a year for me, so I always keep some on hand."

"I often use this brand and the price is right. They’re dependable, and I recommend keeping them around the house for whenever you need a solid 9V battery."

"I decided to try these batteries because of the great price and found them to be just as reliable as the big brands I used before. After using them in various devices like clocks and remotes, I noticed no difference in battery life, and the 10-year storage claim is a big plus. I’ll definitely stock up while the price is right."

"The quality matches the price, and they last well both on the shelf and in devices. Overall, I’m satisfied with their performance."

"He comprado varios paquetes de baterías AC Delco para mis dispositivos electrónicos y siempre he tenido muy buenos resultados. Además, el envío fue rápido y eficiente."

"After struggling with rechargeable lithium 9V batteries in my detectors, I switched to these alkaline batteries and they fit perfectly. While it's too soon to judge their lifespan, EBL batteries have always been reliable for me, so I expect the same here. It’s reassuring to know I’ll hear the low battery chirp if needed!"

"These look and work just like regular 9-volt batteries and seem like a solid deal. If their seven-year shelf life holds true, I’d be happy to rate them even higher."

"I’ve put these batteries in my smoke alarms and carbon monoxide testers without any issues. So far, they’ve worked great, and I’d definitely recommend both the batteries and the seller."