Dremel 7700 Battery Dock for NiMh Conversion
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Dremel 7700 Battery Pack Charge Dock. To be used with a NiMh 6S intelligent charger. I upgraded the worn AA 0.7A NiCd…
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Dremel 7700 Battery Pack Charge Dock. To be used with a NiMh 6S intelligent charger.
I upgraded the worn AA 0.7A NiCd cells in the original battery pack to AA 2.6Ah NiMh cells. There are 6 cells in the battery pack and after upgrading I needed a new charger as the supplied one only does NiCd charging. I made a dock station which will mate up to any charger.
I used a cheap Maverick 2S-6S NiMh Charger that comes supplied with RC cars. I then wired the Dock station with a Tamiya Battery Socket Connector to connect to the charger's Tamiya Battery Plug.
Apart from the 2 parts of the print you only need 4 x AAA 5mm Battery Spring connectors, a Tamiya Battery Socket Connector with some wire and 4 x 10mm M3 self tapper screws.
Assemble as in the picture with red cable on 1 spring connector, black on another and the remaining 2 connectors soldered together as show in photo (This is to bridge the 2 x 3.6v parts of the battery pack together.
Print Settings
Printer Brand:
Creality
Printer:
Ender 3 Pro
Rafts:
No
Supports:
Yes
Resolution:
0.2
Infill:
40%
Filament: Eeyone PLA Black
Notes:
Dremel 7700 Battery Pack Charge Dock. To be used with a NiMh 6S intelligent charger.
Printed 0.2mm layer height, 40% infill, 210C pla temp, 60C bed tempCategory: Hand Tools