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

(based on 49 reviews)

Ratings Distribution

  • 5 Stars

     

    (34)

  • 4 Stars

     

    (15)

  • 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

No Cons

Best Uses

  • Back-up (20)
  • Primary battery (14)
  • Travel (13)
  • Landscape/scenery (6)
  • Professional cameras (5)
    • Reviewer Profile:
    • Photo enthusiast (24), Semi-pro photographer (17), Pro photographer (6)
    • Was this a gift?:
    • No (42)

Reviewed by 49 customers

Displaying reviews 1-20

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4.0

So far so good

By Steve

from Houston

About Me Photo Enthusiast

Verified Buyer

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

Just bought it and charged it up. I have used it for the first day. It did not fit the Pentax charger tight. Just a little loose. I did charge fine. Every thing good so far.

  • Was this a gift?:
  • No

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5.0

It does the job well

By KC

from Ohio

About Me Photo Enthusiast

Verified Buyer

Pros

  • Easy to Use

Cons

    Best Uses

    • Family Photos
    • Landscape/Scenery
    • Travel
    • Wildlife Photos

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

    It does the job well. What more could I ask?

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    4.0

    Great for a backup

    By TJ

    from Maple Shade NJ

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Compact
    • Durable
    • Easy to Use
    • Good construction

    Cons

      Best Uses

      • Family Photos
      • Landscape/Scenery
      • Sports/Action
      • Travel
      • Video
      • Weddings/Events
      • Wildlife Photos

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

      Using as a spare or backup battery!

      • Was this a gift?:
      • No

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      5.0

      Great Value, Skip the OEM

      By Digby

      from Manhattan, NY

      About Me Semi-pro Photographer

      Verified Buyer

      Pros

      • Great Quality
      • Great value

      Cons

        Best Uses

        • Family Photos
        • Landscape/Scenery
        • Sports/Action
        • Travel
        • Video
        • Weddings/Events
        • Wildlife Photos

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

        Don't get anything else. It's just as good as the Pentax-branded unit as far as I can tell, and costs half as much, I use them with a K3.

        • Was this a gift?:
        • No

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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

        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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        (1 of 1 customers found this review helpful)

         
        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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                      (1 of 1 customers found this review helpful)

                       
                      5.0

                      Usable life same as Pentax!

                      By Rolland S

                      from Loveland, CO

                      About Me Semi-pro Photographer

                      Verified Buyer

                      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

                      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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