Product no.: Woodstock3D
Old price 35.00 €
Battery holder case for the Woodstock family of calculators, made with 3D printing and springs in stainless steel 304 alloy
Black Friday: 15% off
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Number of ratings: 9
Average rating: 4.6
from Thomas Fänge on 03/31/2023
The holder have a very nice finish and fits very well in the calculator - think I need to buy some more to my other Woodstocks ... ;)
Only wish was to have it in the original color instead of black but that is a minor thing ...
from Tomaž on 01/15/2023
It fits prfect and makes your HP41 funtional again. Can contain AA batteries, but I would like to read that in description before buying. Mind the polatity.
from Guy Fournier on 10/05/2022
Top notch.Better than the original .Work great.
My HP 25c have a new life actualy.
from Walter Renes on 03/02/2022
Apart from the colour this is a perfect way to power my HP21. It fits exactly, and snaps into place with confidence. I use regular AA alkaline batteries without problems, : no need to charge anymore. The remark below about flat-top batteries is not correct: because of the long springs regular batteries fit in easily.
from David Campbell on 09/19/2020
Unfortunately I have not yet received this product so I am unable to rate it.
from Anonymous on 06/11/2020
Fits well in my HP21. Easy to use.
from Donn Dengel on 06/11/2020
The product fits correctly, accommodates the rechargeable AA cells properly, and the calculator works well again. The workmanship of the product is excellent.
Very accurately dimensioned
from Roy on 01/16/2020
These holders are a perfect fit. However it is worth noting that you should use **flat-top** AA cells, not the usual type with a button on the positive end. The original HP packs used flat-top cells. They are slightly shorter so the springs compress more, allowing the pack to be removed easily. Using button-top cells both the original packs and the Calculator Store packs are very hard to remove.
seems really ok, all fits best
from Dr. Peter Schüller on 07/09/2019
the qualitiy of the production seems really perfect. Unfortunately I had to realise that my HP 25 is defect, so the investition has been for nothing - but thats not your blame.
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