Dyson DC16 to Dewalt 18v battery

Dyson DC16 mod to Dewalt 18v battery with electronic mod because original battery is 6 cell 21,6v (see last picture) and the full potential of an 18V battery cannot be used.

Electronic mod is very simple just one resistor must be replaced and move thermistor from original battery to the board.

It need: 

4pc. heat inserts

9pc. screws M3x10

"Adapter top and bottom" are remixed from:

https://www.printables.com/model/209265-dewalt-battery-adapter