OBDResource BR502 Battery Tester — 6V/12V/24V, 100-2000 CCA, Digital Auto Battery Analyzer

Overview

Meet the BR502 Battery Tester from OBDResource, a compact digital analyzer designed to illuminate your battery's health before it leaves you stranded. Built to handle 6V, 12V, and 24V systems, BR502 supports a wide range of battery chemistries including regular flooded, AGM flat plate, AGM spiral, and gel batteries. Whether you drive a car, SUV, pickup, boat, motorcycle, or other vehicle, BR502 is your handy diagnostic companion.

What it tests and what the data means

BR502 can test batteries in the 100-2000 CCA range and provides quick readings for the state of health (SOH) and state of charge (SOC). In addition to voltage, the analyzer measures internal resistance, giving you a broader view of battery performance. The device then analyzes the data and offers practical guidance on whether a charge is advisable or whether a replacement should be considered.

• 6V, 12V, 24V coverage with 100-2000 CCA range
• Supports flooded, AGM flat plate, AGM spiral, and gel batteries
• Compatible with cars, SUVs, pickups, boats, motorcycles, and more

Fast, accurate, and readable results

The BR502 is powered by a built in intelligent microprocessor that delivers results quickly and reliably. In about two seconds, a clear classification such as Good, Normal, or Poor appears on the 1.8 inch HD display. The specification notes an accuracy rate as high as 99.6% based on CCA standards.

• Results shown in under two seconds
• Clear categories: Good, Normal, Poor
• 1.8 inch HD display for easy reading

Ease of use and safety

Plug and play: simply connect the clips to the battery and start testing whether the battery is in the vehicle or out. It includes polarity reverse connection protection to safeguard the tester and your battery. Note: the screen may flicker if clips aren’t properly clamped.

• Plug and play with simple connection
• Reverse polarity protection
• Flicker indicator when clips aren’t clamped properly

Real‑world scenarios

Before a road trip, check a starter battery for health, or verify a spare battery for seasonal storage. Use BR502 to plan maintenance, charge needs, or potential replacements with confidence, knowing you have tangible data at your fingertips. Its compact design also fits neatly in a toolbox or glove compartment for on‑the‑go checks.