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iPower 9V Li-Polymer 520mAh Battery

B&H # IP9V520Q Mfr # IP9V520Q
Usually ships in 7-14 business days

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The iPower 9V Li-Polymer 520mAh Battery is an ultra high capacity lithium polymer rechargeable battery.

Note! Overcharging with high current is harmful. It may cause battery deformation, leak or even open the cover.

Chemistry 9V Li-Polymer Battery
Capacity 520mAh
Output Voltage 9V
Dimensions 1 x 0.64 x 1.87" (25.5 x 16.4 x 47.5mm)
Weight 1 oz (27.5g) (approx)

REVIEW SNAPSHOT®

by PowerReviews
iPower9V Li-Polymer 520mAh Battery
 
4.7

(based on 20 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

94%

of respondents would recommend this to a friend.

Pros

  • Long-lasting (16)
  • Rechargeable (16)
  • Reliable (14)
  • Lightweight (13)
  • Easy to install (12)

Cons

    Best Uses

    • Rechargeable power (9)
    • Digital photography (3)
    • Mobility (3)
    • Photography (3)
      • Reviewer Profile:
      • Pro photographer (6), Photo enthusiast (3)
      • Was this a gift?:
      • No (10)

    Most Liked Positive Review

     

    The battery i've been looking for!

    I'm the sound man at our church and we just recently upgraded the wireless mic system to the Shure ULX-P system. I've been looking for a rechargeable 9V battery that would work. Most of...Read complete review

    I'm the sound man at our church and we just recently upgraded the wireless mic system to the Shure ULX-P system. I've been looking for a rechargeable 9V battery that would work. Most of the 9V rechargeable batteries out there are not really 9V... instead they are 7.4V or 8.4V... and would not give enough power to power the wireless mics. Just got a few of these with the matching charger and it works great! Lasts longer than your standard 9V alkaline batteries. We have the lapel mic running for about 2 hours every sunday and the battery meter shows 3 out of 3 bars after the day is over.

    VS

    Most Liked Negative Review

     

    Not satisfied at all

    I am a professional filmmaker and bought 8 of these batteries and two chargers.
    We didnt use them for over a year, but we DID keep them pretty regularly charged, as we...Read complete review

    I am a professional filmmaker and bought 8 of these batteries and two chargers.
    We didnt use them for over a year, but we DID keep them pretty regularly charged, as we should. We are not ignorant as to proper battery "feeding and care", ha! as we have all kinds of batteries and "bricks" etc. imaginable in our studio.
    Then, two months ago we started using them sporadically on the set of a major feature film.
    BUT...
    One by one half of them died to where we we only have four left that will even take a charge.

    Reviewed by 20 customers

    Sort by

    Displaying reviews 1-20

    Back to top

    (1 of 1 customers found this review helpful)

     
    5.0

    Best 9V I've Found

    By Gabs

    from El Segundo, CA

    Verified Buyer

    Pros

    • Lightweight
    • Long-Lasting
    • Rechargeable
    • Reliable

    Cons

      Best Uses

      • Ifb Receivers
      • Wireless Mics

      Comments about iPower 9V Li-Polymer 520mAh Battery:

      We use these 9V in our Lectrosonic IFB receivers for live sports news television. Battery failure is not acceptable in live tv, so we don't screw around with cheaper batteries. I've also used these in the older Lectro mic transmitters that take 9V's and they lasted many hours. They rarely fail on me, as well. I've used other higher-performance batteries and get a 10% failyre rate sometimes. I don't care if most of the batch lasts 8 hours, but 1 out of 10 is going to fail after 10 minutes. These iPower batteries are our choice for rock solid reliability.

      • Was this a gift?:
      • No

      Share this review

       
      4.0

      Strong a last well

      By Eric

      from Chicago

      Verified Buyer

      Pros

      • Long-Lasting
      • Rechargeable
      • Reliable

      Cons

        Best Uses

        • Pro Audio

        Comments about iPower 9V Li-Polymer 520mAh Battery:

        They waiver over time like any rechargeable, but certainly the best I've found.

        Share this review

        (1 of 2 customers found this review helpful)

         
        2.0

        Not satisfied at all

        By garibri

        from Florida

        About Me Pro Photographer

        Pros

        • Rechargeable

        Cons

        • Short Lifespan
        • Unreliable

        Best Uses

          Comments about iPower 9V Li-Polymer 520mAh Battery:

          I am a professional filmmaker and bought 8 of these batteries and two chargers.
          We didnt use them for over a year, but we DID keep them pretty regularly charged, as we should. We are not ignorant as to proper battery "feeding and care", ha! as we have all kinds of batteries and "bricks" etc. imaginable in our studio.
          Then, two months ago we started using them sporadically on the set of a major feature film.
          BUT...
          One by one half of them died to where we we only have four left that will even take a charge.

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          5.0

          Finally a 9v rechargeable that works

          By boghav

          from warwick, ri

          About Me Pro Photographer

          Verified Buyer

          Pros

          • Easy to Install
          • Lightweight
          • Long-Lasting
          • Rechargeable
          • Reliable

          Cons

            Best Uses

            • Rechargeable Power

            Comments about iPower 9V Li-Polymer 520mAh Battery:

            Powers a Lectrosonic 411 receiver for over 4 hours!

            • Was this a gift?:
            • No

            Share this review

            (2 of 2 customers found this review helpful)

             
            5.0

            So far, very reliable

            By Buzz

            from San Francisco

            Verified Buyer

            Pros

              Cons

                Best Uses

                • Rechargeable Power

                Comments about iPower 9V Li-Polymer 520mAh Battery:

                I've cycled them 8 or so times now, they are providing at least 7 hrs of power to my wireless hand-held mics (ULX2). Haven't had occasion to push them farther than that. One of these days we'll give them a bench test.

                Share this review

                (2 of 2 customers found this review helpful)

                 
                5.0

                Theses Batteries Rock.

                By Tim

                from Philly, PA

                Pros

                • Easy to Install
                • Lightweight
                • Long-Lasting
                • Rechargeable
                • Reliable

                Cons

                  Best Uses

                  • Digital Photography
                  • Mobility
                  • Photography
                  • Rechargeable Power
                  • Travel
                  • Wireless Lav Mics

                  Comments about iPower 9V Li-Polymer 520mAh Battery:

                  I have been using 16 of these batteries for over 2 years and they work awesome. They are great for wireless mics because they can last up to 5 hrs when recording continually. I never had any problems with them and I would recommend them to every that is looking for a reusable 9v. Simply blow the Ni-MH batteries out of the water.

                  Share this review

                   
                  5.0

                  9 volts forever

                  By saul

                  from san francisco

                  About Me Pro Photographer

                  Verified Buyer

                  Pros

                  • Easy to Install
                  • Lightweight
                  • Long-Lasting
                  • Rechargeable
                  • Reliable

                  Cons

                    Best Uses

                    • Rechargeable Power

                    Comments about iPower 9V Li-Polymer 520mAh Battery:

                    I power my rf mike transmitters. They seem to have more power than even alkalines.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    great batteries

                    By rosa

                    from washington dc

                    About Me Pro Photographer

                    Verified Buyer

                    Pros

                    • Easy to Install
                    • Lightweight
                    • Long-Lasting
                    • Rechargeable
                    • Reliable

                    Cons

                      Best Uses

                      • Rechargeable Power

                      Comments about iPower 9V Li-Polymer 520mAh Battery:

                      have been using them for a while on wireless, and am very happy. could not think of going back to alkaline

                      • Was this a gift?:
                      • No

                      Share this review

                      (2 of 2 customers found this review helpful)

                       
                      5.0

                      Long lasting dependable battery

                      By MNvideoguy

                      from Minnesota

                      About Me Pro Photographer

                      Verified Buyer

                      Pros

                      • Easy to Install
                      • Lightweight
                      • Long-Lasting
                      • Rechargeable
                      • Reliable

                      Cons

                        Best Uses

                        • Wireless audio

                        Comments about iPower 9V Li-Polymer 520mAh Battery:

                        I use this battery, as well as others of this brand, with wireless Lectrosonics systems for event video production. Goes all day and charges fast.

                        • Was this a gift?:
                        • No

                        Share this review

                        (1 of 1 customers found this review helpful)

                         
                        4.0

                        Works Every Time

                        By Mark the Church Technician

                        from Normal, IL

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

                        • Life span

                        Cons

                        • Price

                        Best Uses

                        • Wireless microphones

                        Comments about iPower 9V Li-Polymer 520mAh Battery:

                        We use these batteries in our church wireless handheld microphones. Will hold charge for more than 3 hours. Others would not hold out for the entire service. Not happy with the price, but they work. The last bunch we bought lasted over 2+ years.

                        • Was this a gift?:
                        • No

                        Share this review

                        (1 of 1 customers found this review helpful)

                         
                        5.0

                        best 9V battery ever

                        By Balthasar

                        from Switzerland

                        Verified Buyer

                        Pros

                        • Fast charched
                        • Long-Lasting

                        Cons

                        • None

                        Best Uses

                        • Wireless gear

                        Comments about iPower 9V Li-Polymer 520mAh Battery:

                        As a soundman, I use them to run wireless gear which lasts with this battery just one day!
                        With alkaline, I had to change twice a day and had to throw them afterwards away - count the costs...

                        • Was this a gift?:
                        • No

                        Share this review

                        (2 of 2 customers found this review helpful)

                         
                        5.0

                        Does the job well.

                        By Louiep

                        from Pennsylvania

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Easy to Install
                        • Lightweight
                        • Long-Lasting
                        • Rechargeable
                        • Reliable

                        Cons

                          Best Uses

                          • Rechargeable Power

                          Comments about iPower 9V Li-Polymer 520mAh Battery:

                          I have used these and the 500mAh siblings for about 2 years. Only one has failed and the others are reliable, charge fast and provide steady voltage (as far as I can tell).

                          • Was this a gift?:
                          • No

                          Share this review

                          (2 of 2 customers found this review helpful)

                           
                          4.0

                          Good Charge but beware the COLD!!!

                          By Carlos Corral

                          from El Paso, TX

                          Verified Buyer

                          Pros

                          • Easy to Install
                          • Lightweight
                          • Long-Lasting
                          • Rechargeable
                          • Reliable

                          Cons

                          • Short Lifespan

                          Best Uses

                          • Audio Gear
                          • Mobility

                          Comments about iPower 9V Li-Polymer 520mAh Battery:

                          I use a lot of these batteries in me Lectrosonics 411 Receivers and 400 Transmitters. They are great and last up to 7 hrs. However, beware COLD Weather conditions. They charges get zapped to about half and only last under 3 hrs. At least this was my last experience with them. Be sure to have disposable 9Vs on had just in case.

                          • Was this a gift?:
                          • No

                          Share this review

                          (1 of 1 customers found this review helpful)

                           
                          5.0

                          only 9v rechargeable solution I'd use

                          By mountainbrook

                          from San Luis Obispo, CA

                          Verified Buyer

                          Pros

                          • Easy to Install
                          • Lightweight
                          • Long-Lasting
                          • Rechargeable
                          • Reliable

                          Cons

                            Best Uses

                            • Rechargeable Power

                            Comments about iPower 9V Li-Polymer 520mAh Battery:

                            We have a lot of ansmann rechargeables and like the AA but the ansmann 9 volts are worthless. These lithiums are great. Be sweet if they made a lithium AA. We use AA's for our UHF-R mics and the ipower 9 volts for our PSM 200 body packs.

                            Share this review

                             
                            5.0

                            Great Battery!!

                            By videoguy

                            from Chicago, IL

                            About Me Pro Photographer

                            Verified Buyer

                            Pros

                            • Long-Lasting
                            • Rechargeable
                            • Reliable

                            Cons

                              Best Uses

                              • Digital Photography
                              • Photography
                              • Rechargeable Power
                              • Videography

                              Comments about iPower 9V Li-Polymer 520mAh Battery:

                              I use this battery for my wireless microphone when I film weddings. It lasts me for the whole ceremony plus interviews at the reception. It lasts a long time and I can depend on it.

                              Share this review

                              (4 of 4 customers found this review helpful)

                               
                              5.0

                              Recommended

                              By "The A/V Guy"

                              from Michigan

                              Pros

                              • Lightweight
                              • Long-Lasting
                              • Rechargeable

                              Cons

                                Best Uses

                                • Church Sound System

                                Comments about iPower 9V Li-Polymer 520mAh Battery:

                                I bought 4 of these batteries as a test run in our Shure wireless mics. As other reviews say, they only show 2 out of 3 bars on a full charge, but they last 7 or 8 hours and have a fast recharge time. I'm on this website today to buy more.

                                Share this review

                                (1 of 2 customers found this review helpful)

                                 
                                4.0

                                9V Li-Polymer 520mAh Battery

                                By CKL

                                from Hong Kong

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Easy to Install
                                • Lightweight
                                • Long-Lasting
                                • Rechargeable
                                • Reliable

                                Cons

                                  Best Uses

                                  • Digital Photography
                                  • Mobility
                                  • Photography
                                  • Rechargeable Power
                                  • Travel

                                  Comments about iPower 9V Li-Polymer 520mAh Battery:

                                  Light and long lasting. But only 8.4V for the 1st charge?

                                  Share this review

                                  (3 of 3 customers found this review helpful)

                                   
                                  5.0

                                  Excellent Battery in WIreless Mics

                                  By Patrick

                                  from Portage, WI

                                  Pros

                                  • Easy to Install
                                  • Lightweight
                                  • Long-Lasting
                                  • Rechargeable
                                  • Reliable

                                  Cons

                                  • None

                                  Best Uses

                                    Comments about iPower 9V Li-Polymer 520mAh Battery:

                                    Purchased in Dec. 2009, I've used these batteries in two theatrical shows now in Shure wireless systems (LX and ULX) in about 20 mics. THey work flawlessly. When I first got them, I set up a mic and let it run next to our boom box while working on the set. After an 8 hour work day, the mic was still going. For two show days, we do recharge between shows (15 minute recharge time). The newer Shure mics do read even newly charged batteries as "1 or 2 bars" of power, but they hold the whole show easily (we turn them on for mic check, then leave them on until the end of the show, so that's up to 4 hours for our musicals.) I've already recovered the costs I would have incurred for batteries for two shows.

                                    Share this review

                                     
                                    5.0

                                    I would buy this product again & again

                                    By Paul Webb

                                    from Shreveport, LA

                                    About Me Photo Enthusiast

                                    Verified Buyer

                                    Pros

                                    • Easy to Install

                                    Cons

                                    • None

                                    Best Uses

                                    • Wireless Microphones

                                    Comments about iPower 9V Li-Polymer 520mAh Battery:

                                    Use for wireless microphones, worked excellent for our use, long durations

                                    Share this review

                                    (4 of 4 customers found this review helpful)

                                     
                                    5.0

                                    The battery i've been looking for!

                                    By digitalVibe

                                    from Grants Pass, OR

                                    Verified Buyer

                                    Pros

                                    • Easy to Install
                                    • Lightweight
                                    • Long-Lasting
                                    • Rechargeable
                                    • Reliable

                                    Cons

                                      Best Uses

                                      • Church Sound

                                      Comments about iPower 9V Li-Polymer 520mAh Battery:

                                      I'm the sound man at our church and we just recently upgraded the wireless mic system to the Shure ULX-P system. I've been looking for a rechargeable 9V battery that would work. Most of the 9V rechargeable batteries out there are not really 9V... instead they are 7.4V or 8.4V... and would not give enough power to power the wireless mics. Just got a few of these with the matching charger and it works great! Lasts longer than your standard 9V alkaline batteries. We have the lapel mic running for about 2 hours every sunday and the battery meter shows 3 out of 3 bars after the day is over.

                                      Share this review

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