Motorized Air Raid Siren Handle with 3-bay 18650 holder by ApoptosisDesigns 3d model
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Motorized Air Raid Siren Handle with 3-bay 18650 holder by ApoptosisDesigns

Motorized Air Raid Siren Handle with 3-bay 18650 holder by ApoptosisDesigns

by Thingiverse
Last crawled date: 3 years, 1 month ago
Didn't feel like shelling out $20 for batteries (plus I need a special charger) when I have 40-ish 18650 batteries.
Make sure you wire in series (original battery voltage 11.5).

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