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Components:

Mosfets (Q1,Q2): PSMN0R9-25YLC,115 - Mouser - Digikey

15K resistor (R1): RC0805FR-0715KL - Mouser - Digikey

Standoffs 5mm height option #1 (Mount1, Mount2): 9774050243R - Mouser - Digikey

Tact switch option #1 (S1): 3ESH9-09.5 - Mouser - Digikey

Tact switch option #2 (S1): KSC241JLFS - Mouser - Digikey

Standoffs 4mm height option #2 (Mount1, Mount2): 9774040243R - Mouser - Digikey

Tact switch option #3 (S1): EVQ-Q2Y02W - Mouser - Digikey

M2 screws: McMaster-Carr - Ebay Monster Bolts

Printable drilling template: .PDF Dropbox

Notes:

Tact switch #1 includes a 6.5mm diameter actuator. Tact switch options #2 or 3 will need to be used with your own actuator that has a flange thickness of 1.5mm such as the following:

Off board, you’ll need to wire the 510 positive pin to the battery positive using 14-16 gauge stranded wiring.

Pads for BAT- & 510- please use 14-16 gauge stranded wiring. Pad for BAT+ please use 20-24 gauge stranded wiring.

Screws will need to be countersink to sit flush with an enclosure.