Electronics > Beginners

How to replace 9V battery with 1.2V Cell?

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001:
Hi

I want to replace 9V batteries in my gear with 1.2 NiCd cell + step up converter
Is anybody goes this way before?

glarsson:
The original Texas Instruments TI-30 from the late 1970:ies could use a 9V battery or a rechargeable battery. The rechargeable battery was one single NiCd cell, a step up converter and a 9V battery connector. Perhaps someone can find a schematics.

johnkenyon:
Why not go for two 1.2 NiMh cells and a MT3608 boost converter (works down to 2V).

HB9EVI:
why not to got for 9V block with a LiPo cell and integrated charger?

001:
What do You mean?

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