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NEW PRODUCTS – Battery Holders with On/Off Switch & JST PH Connector

4191 4193

NEW PRODUCTS – Battery Holders with On/Off Switch & JST PH Connector


First up, the 2 x AAA holder!

This battery holder connects 2 AAA batteries together in series for powering all kinds of projects. We spec’d these out because the box is nicely slim, and 2 AAA’s add up to about 3V for low-voltage electronics projects, plus it has a nifty on-off switch.

4191 iso demo 03 ORIG 2019 03

Fits any standard AAA battery. When using rechargeable NiMH the output voltage will range from about 2.7V with charged batteries to 1.8V at the end of life with a nominal voltage of 2.4V. When using alkalines, the output will range from 3.2V with new batteries to 2.2V at the end of life with a nominal voltage of about 3V.

The polarity matches that of our 2-pin JST cable and Li-Ion/Poly batteries. Uses a genuine JST connector so it won’t ‘catch and tear’ in JST connectors.

4191 connector detail ORIG 2019 03

This is a great update to the battery packs that come with micro:bit‘s because it has an on-off switch built in so you don’t have to yank it out to turn off the power.

4191 top quarter ORIG 2019 03

Next up, the 2 x AA holder!


This battery holder connects 2 AA batteries together in series for powering all kinds of projects. We spec’d these out because the box is fairly slim, and 2 AA’s add up to about 3V for many low voltage electronics projects, plus it has a nifty on-off switch.

4193 iso demo 02 ORIG 2019 03

Fits any standard AA battery. When using rechargeable NiMH the output voltage will range from about 2.7V with charged batteries to 1.8V at the end of life with a nominal voltage of 2.4V. When using alkalines, the output will range from 3.2V with new batteries to 2.2V at the end of life with a nominal voltage of about 3V.

The polarity matches that of our 2-pin JST cable and Li-Ion/Poly batteries. Uses a genuine JST connector so it won’t ‘catch and tear’ in JST connectors.

4193 connector detail ORIG 2019 03

This is a great update to the battery packs that come with micro:bit‘s because it has an on-off switch built in so you don’t have to yank it out to turn off the power, and the AA batteries will last 3 to 5 times longer longer than AAA!

4193 top 01 ORIG 2019 03

In stock and shipping now!


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