The Cellchecker™ LEAD ACID PULSE LOAD BATTERY TESTER provides a comprehensive test of a battery’s state of charge and condition. With accurate pulse load testing, it tests the battery’s ability to deliver current and maintain voltage under load, not just voltage or internal resistance. Its LED indicates percentages of remaining battery capacity, and it offers a fast test time (15 seconds). Battery safe (does not damage or drain the battery), it produces accurate results on new partially discharged and stored batteries and checks multiple voltages: 2, 4, 6, 8, and 12.