Warning: This is NOT a jump starter. It assists a weak battery. You cannot crank a dead battery with this.
Verified Failure Mode: If you try to crank for 10+ seconds, the charger's internal thermal breaker will shut it down for 15-30 minutes. This is a protection feature, not a defect. motomaster battery charger 111567 manual verified
The verified manual for Motomaster 111567 can be obtained from: Warning: This is NOT a jump starter
Always verify your unit’s exact revision – early 111567 units used an analog meter; later revisions had a digital display. Verified Failure Mode: If you try to crank