18650 Battery Holder for Cheap Motion Sensor Light
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Modify a cheap chinese motion sensor light to use 18650 batteries.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I have a few cheap Chinese motion-activated light bars, and their usefulness is limited by the anemic batteries.
This modification fixes that problem by attaching 18650 batteries.
Materials needed
Chinese motion sensor light bar, for example https://www.aliexpress.com/item/1005005588986583.html or https://www.aliexpress.com/item/1005006028458565.html
12x12mm battery contact plates, for example "AA 12X12MM 01" from https://www.aliexpress.com/item/1005003372478123.html
Wires
2 pin dupont connectors (optional)
Instructions
Pop open the ends of the light bar
Extract the PCB
Desolder the small battery, then solder wires to where it was connected.
Get rid of the USB-C connector by scoring the pcb at the C1 marking and break off the section. (You could also desolder it, but it's stubborn and it's really not worth it)
Solder wires to the battery contact plates and insert them, bending the tabs as needed.
Carefully stuff the wire into the bar then push the battery holder in until it locks in place.
