This is a power module from a working Viking MA339 36v lawnmower. These retail (if you can find one) for £90 so grab yourself a bargain.
VIKING MB545VR Petrol Lawnmower front axle 6340 700 2401 B38
Spear & Jackson SCR3644A 44cm Cordless 36V Lawnmower No Battery Charger Used
Einhell Professional Twin 18v / 36v Lawnmower 42cm RASARRO 36/42 PXC - 2x5.2Ah
Einhell Twin 18v/36v Lawnmower 34cm 2 x 3Ah Battery + Grass Trimmer Strimmer
Einhell Twin 18v / 36v Lawnmower 34cm Cut 2x4Ah Battery + Grass Trimmer Strimmer
Einhell Cordless Twin 18v / 36v Lawnmower 42cm RASARRO 36/42 PXC - 4 x Batteries
