A car battery tester will go the entire 12-volt battery, checking mainly the load, current. Here's 8 Best Car Battery Testers To Get With Reviews For 2018 .
SUNER POWER Digital 12V Car Battery Tester Automotive Battery Load Tester and Analyzer of Battery Life. Find answers in product info, Q&As, reviews.
Schumacher BT-100 100 Amp Battery Load Tester product image. The device only tests SLA (sealed lead acid) or car batteries up to 200AH (amp/hours).