Car battery load tester – 100A for 12V car batteries

The car battery load tester CBLT–100 is a true 100A tester for 12V lead-acid car batteries. In just 10 seconds, it shows voltage stability and cranking readiness—ideal for Indian workshops and garages. If you want a reliable automotive battery tester with a clear digital readout at a practical price, this model delivers rugged build and consistent results without fuss. For more options, visit our Battery Tester category.

Need help choosing? Read our buying tips on SAMCO BATTERY, or check other testers. For shipping & returns, see store policies, or contact us.

  • Type: Car battery load tester (12V)
  • Load: 100A for 10 seconds (duty: 10s ON, ~60s cool)
  • Display: Digital voltage readout
  • Best for: 30–40Ah (perfect); 50–60Ah (acceptable)
  • Not for: Lithium/LiFePO4; 70Ah+ (use 200–300A)
  • Price validity: ₹1,950 + GST, valid till

How to Select the Right Load

Rule of thumb: load ≈ 3× Ah for 10 seconds. 30–40Ah → ideal with 100A. 50–60Ah → acceptable. 70Ah+ → use 200–300A.

Quick Verdict Table

ConditionVoltage @ 10sVerdict
Good≥ 10.0 VBattery healthy
Borderline9.0 – 9.9 VReplace soon
Bad< 9.0 VReplace now

How to use

Press and hold LOAD for 10 seconds. Read the digital meter while LOAD is ON, then release and allow cooling (~60s). For more guides, visit our Help & Tips.