Smart Drive Mx Tilite Max Mobility - (SELLING FOR PARTS, As Not Working). Smartdrive MX Power Assist For Wheelchairs. (Not Working) This helped me loads and working they’re a fantastic piece of equipment but this one no longer works, No longer working (possible battery issue but unsure ) selling as parts. Doesn’t come with charger. Prefer it to be picked up but happy to work with a courier too at buyers expense.