Energizer NH22BP ACCU 9-Volt Rechargeable Battery

I bought two of these batteries with the Overnight Nimh Family Battery Charger, and so far the batteries have performed as expected. haven't used it enough to see if they take memory if charged to frequently but so far so good. Great product! So now I have used this product for 5 months on a Microphone to line amplifyer and they last about 2 days on average. The batteries take 10 to 13 hours for a full charge which is pretty ridiculous! luckly I only use one at a time so I have time to charge the other one. I would still say Great Product!

I ordered the product for the purpose of having to use them in our Wireless Handset Mic System for the church, they work great! We were going through about 4 9V batteries every week, but with this it holds enough charge for the wireless system for 2 1 hour services each battery! It has taken the cost of batteries from $15 a week to nothing and it can be charged overnight! No Problems at al with them, in fact we ordered 2 of them for backups along with 4 AA rechargables that we use for our CD players and Recordering devices and they al work wonders!

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This Energizer rechargeable battery arrived in good time. The battery is of good quality and has performed very well. I have been using this battery in my TENS/EMS Electrotherapy Unit for some months now, and not once had to recharge. I am very satisfied and impressed with Energizer.

Love the battery but make sure you purchase the energizer charger not a knock off! These batteries do not sit well in other chargers other than the energizer made charger!

Bought some cheapo ones for our bass and acoustic electric guitars that we use for praise at our church. The cheapo ones needed to be recharged each week, and once gave out on us in the middle of praise. Have never had a problem after buying the energizer ones. Don't skimp out on batteries, especially when you're counting on them!

I've bought 4 of these, and they work pretty well, but they're a little off-sized and don't fit into everything. I'm using these in 2 Ibanez SRX705 active basses, and in my Cordoba classical/flamenco guitar, but it wouldn't fit into the slot for my Ibanez acoustic bass - it got stuck and I had to work it back out. They work fine and seem to last a good while, and I like that you can recharge them. Just be aware of whether you have enough room for it - if it's a pretty tight fit, this may not work. I haven't ever found these in any store, only the AA & AAA batteries, and Energizer makes a cool charger that charges all 3 sizes - this is the one I bought and it works well: [...]

I BOUGHT THIS RECHARGEABLE BATTERY SINCE MOST OF MY KID'S RADIO CONTROL TOYS USE THIS KIND OF BATTERY. I HAVE TESTED OTHER BRANDS, BUT THIS ONE ,UP TO NOW, HAS THE BEST PERFORMANCE. IT LAST SEVERAL HOURS OF CONTINOUS USE. IT MAKES ME SAVE SOME BUCKS, AND MY KID IS ALSO HAPPY.