TYT MD 380, Retevis RT3, Radioddity GD-77 USB Charger
thingiverse
USB charger for a number of chinese DMR radios. You need 1) DC-DC step up converter (MT3608) 2) Charge controller (TP5100) 3) Fan 25*25 mm 4) 2 Heat sinks 8*8*5 mm SEO text: TYT MD-380 USB charger Retevis RT3 USB charger Radioddity GD-77 USB charger Baofeng DM-1702 USB charger Tested only on Retevis RT3. This thing is in progress and may be updated. Source file included. Now I work on car charger it should be more simple.
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