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WatsonD-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh)
 
4.7

(based on 45 reviews)

Ratings Distribution

  • 5 Stars

     

    (32)

  • 4 Stars

     

    (13)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good value (27)
  • Fast charge (20)
  • Reliable (17)
  • Easy to install (15)
  • Long-lasting (15)

Cons

    Best Uses

    • Back-up (20)
    • Primary battery (14)
    • Travel (10)
    • Professional cameras (5)
    • Landscape/scenery (3)
      • Reviewer Profile:
      • Photo enthusiast (21), Semi-pro photographer (16), Pro photographer (6)
      • Was this a gift?:
      • No (39)

    Reviewed by 45 customers

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    Displaying reviews 1-20

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    5.0

    Battery is a workhorse

    By cb

    from USA

    Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

    Charge time - 2 hours!!!
    Lasted over 1 1/2 days of fairly heavy use in 35° - 40° temps.

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    5.0

    1 week in and I'm fine with it.

    By BlamBlam

    from Virginia

    About Me Photo Enthusiast

    Verified Buyer

    Pros

      Cons

        Best Uses

          Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

          I just got through the first charge and the life seems just as good, or better than the stock battery.

          • Was this a gift?:
          • No

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          5.0

          good spare

          By Ex-doc

          from Edmond, OK

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Lightweight

          Cons

            Best Uses

              Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

              I bought this as a spare for my Pentax K-3, and it seems to work fine, at a very reasonable price. Putting it in the battery grip included with my camera makes the grip appreciably lighter than when I load it with AAs.

              • Was this a gift?:
              • No

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              5.0

              Bargain backup juice for the K-3 & grip

              By Pedal with Pentax

              from Pioneer Valley

              About Me Photo Enthusiast

              Verified Buyer

              Pros

              • Reasonable price

              Cons

                Best Uses

                • Landscape/Scenery
                • Sports/Action
                • Travel
                • Wildlife Photos

                Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                Can't say how long this particular battery will last for the long haul. Based upon previous Watson offerings, I felt confident buying this versus Pentax's own at nearly double Watson's price. I was a bit confused by the 1800mAh rating, but B and H jump right in to confirm this works with my K-3 prestige series - indeed it does! Watson batteries? It's Elementary, just buy them!

                • Was this a gift?:
                • No

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                5.0

                Excellent value battery

                By Chris

                from Norwalk, CT

                About Me Pro Photographer

                Verified Buyer

                Pros

                • Easy to Use

                Cons

                  Best Uses

                    Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                    For half the price of the name battery this is an excellent value. It hold its charge for a long time between uses.

                    • Was this a gift?:
                    • No

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                    5.0

                    Lasts a long time!

                    By Ronuser

                    from Crozet, VA

                    About Me Pro Photographer

                    Verified Buyer

                    Pros

                    • Durable
                    • Easy to Use

                    Cons

                      Best Uses

                        Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                        Good battery, charges fast and last for hours and hours!

                        • Was this a gift?:
                        • No

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                        5.0

                        Usable life same as Pentax!

                        By Rolland S

                        from Loveland, CO

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

                          Cons

                            Best Uses

                              Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                              I have a K-5 IIs and a K-3, both with battery grips. I have 3 Pentax batteries and this model. I can't see any performance difference in durability between them.

                              • Was this a gift?:
                              • No

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                              4.0

                              it's a battery, so not much excitement.

                              By Ptxusr

                              from USA

                              About Me Semi-pro Photographer

                              Verified Buyer

                              Pros

                              • Quality Close To Original

                              Cons

                              • None so far

                              Best Uses

                              • Powering K-5ii

                              Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                              Did a bit of research and came to the conclusion that third party batteris are pretty much a shot in the dark. Reviews for the same brand are all over the place.

                              Howqever the battery for the Pentax K-5II takes a very long time to charge so haveing a backup is a must. This battery sells for about half the OEM equivelent. I've only had this one for about a week, but so far it seems to work as advertised.

                              I haven't used it to exaustion, so I cannot really say how it compares to the OEM battery, for number of exposures, but it holds a charge, and powers the camera. In short it does what it's supposed to do so far.

                              I won't know how well it stacks up over the long run for some time, but if it's extreemly good or extremly bad I'll update this revies.

                              • Was this a gift?:
                              • No

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                              5.0

                              Good capacity, inexpensive

                              By Zodpa

                              from New Jersey, USA

                              About Me Pro Photographer

                              Verified Buyer

                              Pros

                                Cons

                                  Best Uses

                                    Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                    Seems to hold a bunch of charges. Much cheaper than Pentax replacement.

                                    • Was this a gift?:
                                    • No

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                                    5.0

                                    D-Li90 Lithium-Ion Battery Pack (7.4V, 1

                                    By "With the Wind"

                                    from Medford, Oregon

                                    About Me Pro Photographer

                                    Verified Buyer

                                    Pros

                                    • Compact
                                    • Durable
                                    • Easy to Use
                                    • Lightweight

                                    Cons

                                      Best Uses

                                      • Landscape/Scenery
                                      • Travel
                                      • Video
                                      • Weddings/Events
                                      • Wildlife Photos

                                      Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                      I am completely pleased with this battery for back-up to my recent purchase of a Pentax K-3 Camera. It works perfectly and I highly recommend this battery.

                                      • Was this a gift?:
                                      • No

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                                      5.0

                                      Recommended, specifically for the prize.

                                      By Dan M.

                                      from Boston, MA

                                      About Me Semi-pro Photographer

                                      Verified Buyer

                                      Pros

                                      • Price

                                      Cons

                                      • Fits Loose On Charger

                                      Best Uses

                                        Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                        Use this for my grip. Discharges a bit faster but its not unreasonable. Would definitely buy again.

                                        • Was this a gift?:
                                        • No

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                                        5.0

                                        Sure beats paying Ricoh's List

                                        By Jerrysvoice

                                        from Whitesboro, NY

                                        About Me Photo Enthusiast

                                        Verified Buyer

                                        Pros

                                        • Easy to Use
                                        • Great value

                                        Cons

                                          Best Uses

                                            Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                            Bought this as a backup for my Pentax K-5IIs. Charged it up and it works like a charm. Highly recommend it.

                                            • Was this a gift?:
                                            • No

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                                            (1 of 1 customers found this review helpful)

                                             
                                            4.0

                                            Taking a chance on off brand battery ?

                                            By droF

                                            from Novi, Michigan

                                            About Me Semi-pro Photographer

                                            Verified Buyer

                                            Pros

                                            • COST

                                            Cons

                                            • Durability
                                            • Usable Life

                                            Best Uses

                                            • Landscape/Scenery
                                            • Sports/Action
                                            • Travel

                                            Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                            I'm trying this battery as opposed to the camera manufacturer's own battery due to the more than double cost of the manufacturer's. Will have to wait to see if I made a wise decision.

                                            • Was this a gift?:
                                            • No

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                                            (3 of 3 customers found this review helpful)

                                             
                                            5.0

                                            Works great in K3,

                                            By Robotman

                                            from York PA

                                            Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                            I bought this as my backup battery for my new Pentax K3. It works fine. The Pentax charger is more of a trickle charger so it took a while to get fully charged but it seems to last as long as the factory battery.

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                                            (2 of 2 customers found this review helpful)

                                             
                                            5.0

                                            Great value

                                            By Rod Cuellar

                                            from Searcy, AR

                                            About Me Semi-pro Photographer

                                            Verified Buyer

                                            Pros

                                            • Durable
                                            • Easy to Use

                                            Cons

                                              Best Uses

                                                Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                Charges up and holds the charge. Haven't had any issues with it. Considering the price, I think its a fantastic deal. Cannot distinguish any obvious difference from the more expensive Pentax brand batteries. Very satisfied.

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                                                5.0

                                                Excellent Value for the Money

                                                By Ari

                                                from Freehold NJ

                                                About Me Pro Photographer

                                                Verified Buyer

                                                Pros

                                                • Charges Quickly
                                                • Easy To Install
                                                • Good Value
                                                • Long-Lasting
                                                • Reliable

                                                Cons

                                                  Best Uses

                                                  • Back-Up
                                                  • Primary Battery
                                                  • Professional Cameras
                                                  • Travel

                                                  Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                  I buy Pearstone batteries exclusively for my Pentax bodies. They work as well as OEM batteries for a fraction of the price. They hold their charge and recharge quickly. Definitely worth the price!

                                                  • Was this a gift?:
                                                  • No

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                                                  4.0

                                                  Great back-up battery

                                                  By ysphoto

                                                  from Ottawa, ON, Canada

                                                  About Me Semi-pro Photographer

                                                  See all my reviews

                                                  Verified Buyer

                                                  Pros

                                                  • Charges Quickly
                                                  • Easy To Install
                                                  • Good Value
                                                  • Lightweight

                                                  Cons

                                                    Best Uses

                                                    • Back-Up

                                                    Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                    I got this as a back-up battery to my Pentax one. While the rated mAh is lower but it does just as well.

                                                    • Was this a gift?:
                                                    • No

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                                                    4.0

                                                    Just as good at the Pextax battery

                                                    By Blue

                                                    from Washington, DC

                                                    About Me Semi-pro Photographer

                                                    Verified Buyer

                                                    Pros

                                                    • Charges Quickly
                                                    • Easy To Install
                                                    • Good Value

                                                    Cons

                                                      Best Uses

                                                      • Back-Up
                                                      • Primary Battery

                                                      Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                      Haven't used it extensively yet, but it seems just as good at the Pentax battery.

                                                      • Was this a gift?:
                                                      • No

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                                                      (1 of 1 customers found this review helpful)

                                                       
                                                      5.0

                                                      As good as OEM!

                                                      By Frattofoto

                                                      from New Jersy

                                                      About Me Photo Enthusiast

                                                      Verified Buyer

                                                      Pros

                                                      • Good Value
                                                      • Long-Lasting

                                                      Cons

                                                        Best Uses

                                                        • Back-Up
                                                        • Primary Battery

                                                        Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                        I needed one more battery so each of my cameras have a back up. Over 2 days and being outside in the cold shooting the battery did not let me down.
                                                        Over 1000 shots and the battery didn't show discharge. For 1/2 the price I would buy again!

                                                        • Was this a gift?:
                                                        • No

                                                        Share this review

                                                         
                                                        4.0

                                                        a good battery

                                                        By NSX167

                                                        from San Jose

                                                        About Me Photo Enthusiast

                                                        Verified Buyer

                                                        Pros

                                                        • Charges Quickly
                                                        • Easy To Install
                                                        • Good Value
                                                        • Long-Lasting
                                                        • Reliable

                                                        Cons

                                                          Best Uses

                                                          • Primary Battery

                                                          Comments about Watson D-Li90 Lithium-Ion Battery Pack (7.4V, 1800mAh):

                                                          It's good for Pentax K5 and K01, it long lasting, and the price is right.

                                                          • Was this a gift?:
                                                          • No

                                                          Share this review

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