Sealey bt2101 digital battery tester 12v sealey bt2101 fast and accurate assessment of battery condition even with the battery partially discharged no heat no sparks and no misdiagnosis tests battery in accordance with rated output based on sae din or enc2 criteria and displays results on lcd screen handle battery faults on the trade counter in service reception or in workshop with confidence rugged construction supplied with instruction manual sealey bt2101 digital battery tester 1