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Please specify the battery type in your question. Include chemistry (e.g. lead-acid, Li-ion), voltage, capacity (in A·h or W·h), number of cells and how they are connected (series or parallel) .

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2 answers
1k views

Using NiMH batteries with dumb charger designed for NiCd?

I'm attempting to revive a very old calculator that was designed to use NiCd batteries (no clue about capacity). These batteries act both as a power source but also as a voltage regulator. Charger is …
P. N.'s user avatar
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