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Ansmann AA 2850mah Rechargeable NiMH Battery (4-pack)

Professional-grade 2850 mah AA Rechargeable Battery (4-pack)
8 Write review Item ID: ANSAA2850
$20.99

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Ansmann AA 2850mah Rechargeable NiMH Battery (4-pack)
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A Pro-grade Rechargeable AA

The Ansmann 2850 mah AA Rechargeable Battery can be used anywhere you'd use a AA alkaline battery. It has a flat discharge curve, and gives you long run times. Depending on the application, it can be recycled up to 1000 times. At Sweetwater, we know rechargeables, and trust us - the Ansmann is not your typical consumer battery. It's strictly professional-grade - ideal for high energy demand uses like flash units, digital cameras, and more. You rely on batteries; you need the good stuff: Ansmann.

Related Videos: AA 2850mah Rechargeable NiMH Battery (4-pack)

Ansmann 2850 mah AA Rechargeable Battery (4-pack) Features at a Glance:
  • Great for professional use with high energy demand like flash units and digital cameras
  • Extremely durable
  • Excellent cycling capability
  • Fast recharging
  • Up to 1000 charges, depending on application
  • No special charger necessary
  • 2 year warranty
Pro application? Use a pro battery: Ansmann!

Additional Media

Emergency Essentials for Worship Techs
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Tech Specs

  • Type: NiMH
  • Size: AA
  • Voltage: 1.2V
  • Capacity: 2850mAh
  • Rechargeable: Yes
  • Quantity: 4-pack
  • Manufacturer Part Number: 5035212-HY

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Customer Reviews

4.1 out of 5

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Best rechargeable you can get

I've used a lot of different brands of rechargeable batteries. These top the list as far as charge time andrun time. I use them with a Roland synth ax and I have had no issues whatsoever with them they last a really long time and they power that sent that acts without issue. Highly recommend these batteries
by James Begg Jr from CARMICHAEL, CA on

Gig Perfect

Bought these for wireless mic and guitar transmitters. They last through a 3-4 hour gig without question, have stretched it to 3 gigs from time to time.
by Gary Moore from Landenberg, PA on

Very Impressed!

I use these batteries in my wireless mic units at church. They are good for at least 12 hours of run-time in our Sennheiser EW series. Tried rechargeables in the past but these definitely are the real deal. I'd recommend them for any church that wants to save money on batteries
by Sweetwater Customer on
Music background: Technical Director

A Great substitute for expensive OEM rechargeables

This review and subsequent numbers are based on use in the Shure PSM900 wireless receiver unit. I bought these batteries and charger because I did not feel comfortable with Shure's estimated usage of 4-6 hours. That is cutting it too close for me in a paying gig situation so I decided to give these rechargeables a test run.

Once charged the batteries seem to consistently last between 10:45 hours and 11:15 hours. This was with both sets in different configurations so that all batteries were eventually used together.
The amber light on the PSM900 receiver would typically come on when there was about 30 minutes left and the red light would come on with less than 15 minutes. Once the red light went on, the wireless lost power within 5 minutes or so. Turning off the unit and letting it sit for a couple hours restored the green light and power for about an hour. I did not try this but once.

Overall, these are a fantastic substitute for the Shure lithium battery which promises roughly the same amount of time at 5x the cost when you figure the cost of battery and charger.
by StephenT28 from Denver, CO on
Music background: Semi-pro for last 30+ years

Lasts much longer than I thought!

I had difficulties with them at first (mostly the chargers fault) but once they were broken in the did a whole lot better than I expected. Went as long as 12 hours and a few minutes on my Zoom H6.

The bars would go all the way down to one bar and then level off and run for a very long time after that. So there is a drop-off at first then it settles at the one bar level and then it runs a very long time after that.

So I you use these with a Zoom H6, do not worry about it quickly going down to one bar. It will still have a lot of time after that.

It is the way the discharge curve is with these batteries.
by Sweetwater Customer from Missouri on

Hear from a Sales Engineer

What Do Our In-house Gear Experts Think?

Evan Mehre

When I was a Crew Chief for a large convention center that often ran 30+ wireless microphones, keeping a supply of reliable rechargeable batteries on hand wasn't even a question. We went with these Ansmann 2850 mah AA, and they came through the show, usually with plenty of juice to spare. When I started using them with my touring band, I immediately discovered what a great value they are. By about the fifth time I charged them, they'd already paid for themselves. Today I use them in every battery-powered device I own, even around the house!
See also: battery, Ansmann, Ansmann Batteries
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