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

(based on 38 reviews)

Ratings Distribution

  • 5 Stars

     

    (25)

  • 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 (9)
    • Professional cameras (5)
      • Reviewer Profile:
      • Photo enthusiast (18), Semi-pro photographer (15), Pro photographer (4)
      • Was this a gift?:
      • No (33)

    Reviewed by 38 customers

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    Displaying reviews 1-20

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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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                  (1 of 1 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

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                              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

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                                4.0

                                Not bad for a replacement/backup battey!

                                By Tom

                                from Halifax, NS

                                About Me Semi-pro Photographer

                                Verified Buyer

                                Pros

                                • Good Value

                                Cons

                                • Doesnt Last As Long As Oe

                                Best Uses

                                • Back-Up
                                • Travel

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

                                Makes a great replacement/backup battery, great price point compared to OE battery. Only downside is slightly shorter battery life between charges.

                                • Was this a gift?:
                                • No

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                                5.0

                                good value

                                By e j

                                from upsala, ontario, canada

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Charges Quickly
                                • Good Value
                                • Long-Lasting
                                • Reliable

                                Cons

                                  Best Uses

                                  • Back-Up

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

                                  i'm using this as a spare/back-up for the original battery that came with my pentax k-5. works well, i never know which battery i have in the camera. the best thing about it was the price which is a fraction of what i would have to pay here in canada.

                                  • Was this a gift?:
                                  • No

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                                  4.0

                                  Great value

                                  By Kodafixed

                                  from US

                                  About Me Photo Enthusiast

                                  Verified Buyer

                                  Pros

                                  • Charges Quickly
                                  • Easy To Install
                                  • Good Value

                                  Cons

                                    Best Uses

                                    • Professional Cameras

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

                                    Can't tell any difference from the OEM D-LI90 so far.

                                    • Was this a gift?:
                                    • No

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                                    4.0

                                    A good back-up

                                    By Stainer

                                    from New York, NY

                                    About Me Semi-pro Photographer

                                    Verified Buyer

                                    Pros

                                    • Easy To Install
                                    • Good Value
                                    • Long-Lasting

                                    Cons

                                      Best Uses

                                      • Back-Up

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

                                      Compared to other Pearstone batteries this one seems to rival the original well. I believe it's due to the size.

                                      • Was this a gift?:
                                      • No

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                                      5.0

                                      Great affordable battery

                                      By Tenorchick

                                      from Lincoln, NE

                                      About Me Pro Photographer

                                      Verified Buyer

                                      Pros

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

                                      Cons

                                        Best Uses

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

                                          Bought this battery to use in my grip and it is fantastic. Charges quickly. Lasts long. Great to use as primary or backup.

                                          • Was this a gift?:
                                          • No

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                                          5.0

                                          As good as the original Pentax battery

                                          By Newbold12

                                          from Melbourne, Australia

                                          About Me Photo Enthusiast

                                          Verified Buyer

                                          Pros

                                          • Charges Quickly
                                          • Good Value
                                          • Long-Lasting
                                          • Reliable

                                          Cons

                                            Best Uses

                                            • Back-Up

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

                                            Having this as a spare battery was great - maintained its charge as well as the original Pentax lithium ion battery and let me continue with my photography.

                                            • Was this a gift?:
                                            • No

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                                            (1 of 1 customers found this review helpful)

                                             
                                            5.0

                                            OK Battery

                                            By BobE

                                            from Port Washington NY

                                            About Me Photo Enthusiast

                                            Verified Buyer

                                            Pros

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

                                            Cons

                                            • None

                                            Best Uses

                                            • Primary Battery

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

                                            Not the cheapest--but among the best. Although the Pentax branded batteries are excellent, this battery equals their performance at a far better price. I use it for portrait work, snap pictures at events, and landscapes. No problems, no downside.

                                            • Was this a gift?:
                                            • No

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