Ansmann 2850 mah AA Rechargeable Battery 4-pk

Professional-grade 2850 mah AA Rechargeable Battery (4-pack)
Ansmann 2850 mah AA Rechargeable Battery 4-pk image 1
Ansmann 2850 mah AA Rechargeable Battery 4-pk image 1
$15.99
Sweetwater Savings: $5.00 MSRP: $20.99

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Ansmann 2850 mah AA Rechargeable Battery 4-pk
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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.

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!

Tech Specs

Manufacturer Part Number 5035212

Customer Reviews

4.5/5
Based on 3 reviews
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5/5

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
Music background: Technical Director
5/5

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.
Music background: Semi-pro for last 30+ years
3/5

Yes...But

These are quite capable at 2850 mAH compared to "precharged" supermarket NiMH batteries at 2300 mAH, BUT the self discharge rate is much higher!!! According to my fancy ZTS battery tester the precharged batteries fresh out of the package (no doubt charged months ago in China) are still at 80% capacity where my Ansmann batteries lose about 10% of their charge a day. So if you tend to charge before a gig, then the Ansmann batteries are the way to go. If you tend to charge after a gig (my habit to clean everything up) then you are better off with low leakage NiMH batteries (sold in retail as "precharged").
Music background: Semipro (also a retired EE)
See also: Power Adapters, Ansmann, Ansmann Power Supplies