- Multipurpose Battery Case Holder: You can use this case with your own battery to form power system supply; Case for rechargeable battery
- Easy install, with ON/OFF switch convenient to use, enclosed Holders come with screw to secure,with spring clip design, you can easily to put the battery in it
- Perfect external power source for electronic DIY, the battery holder is for circuit boards, electric toys, digital photo frames, electronic calendar and other digital products,and more,add them in series if you need more voltage
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes them ideal for use with 3.3V projects that have a 2-pin JST connector meant for one of our Li-Ion/Poly batteries. (Of course, you can't recharge them like Li-Ion/Polys, so don't try to plug this into one of our Li-Ion/Poly charger boards!)
Fits any standard AAA battery. When using rechargeable NiMH the output voltage will range from about 3.7V with charged batteries to 2.7V at the end of life with a nominal voltage of 3.6V. When using alkalines, the output will range from 4.6V with new batteries to 3.3V at the end of life with a nominal voltage of about 4.5V
The polarity matches that of our 2-pin JST cable and Li-Ion/Poly batteries. Uses a genuine JST connector so it wont 'catch and tear' in JST connectors.
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