• Compact device which accurately tests battery, cranking and alternator.• No heat, no sparks and no misdiagnosis.• Just key in the battery rating from the top of the battery and results are displayed on LED control panel.• No internal battery and will test batteries with a residual charge of just 7V.Compact device which accurately tests battery, cranking and alternator. No heat, no sparks and no misdiagnosis. Just key in the battery rating from the top of the battery and results are displayed on an LED control panel. No internal battery and will test batteries with a residual charge of just 7V.• Compact device which accurately tests battery, cranking and alternator. • No heat, no sparks and no misdiagnosis. • Just key in the battery rating from the top of the battery and results are displayed on LED control panel. • No internal battery and will test batteries with a residual charge of just 7V. • Model No. BT01Technical Specification:Minimum Power Requirement: 7VNett Weight: 0.19kgNote