AutoMeter
Autometer Handheld Battery Tester
SKU: A00Q SB-300
Description
Part #: SB-300
Autometers Sb-300 Is A Handheld Battery Tester That Is A Great Addition To Any Technicians Toolbox! This Tester Will Help You Rapidly And Accurately Diagnose Battery Issues With Unmatched Speed And Accuracy With Our Easy To Use Testing Protocol. Featuring Autometers Patented And Award Winning Digital Pulse Load (Dpl) Technology" , This Tester Delivers A True On-Board 40 Amp Load For Unmatched Accuracy. Capable Of Performing A Full Battery Test In Less Than 82 Seconds, The Sb-300 Represents The Ultimate In Value, Convenience, And Ease Of Use.
Features:
- Tests flooded, deep cycle, and AGM batteries with CCA range of 100-1600 - also detects discharged batteries, bad cells, and has built in reverse polarity protection.
- This tester applies a true 40 amp load to the battery in order to simulate real world operating conditions consistent with BCI (Battery Council International) testing standards.
- Battery Test Results Include: Measured True Cca, Voltage And Percent Of Charge, And The Batterys State Of Health (Good, Near End Of Life, Or Bad).
- Automatically stores the last 100 tests in memory.
- 30" - 16 gauge leads with professional grade clamps that are easily field serviceable.
- Customer communication with optional PR-12 (external printer), PR-20 (bolt-on printer), or AC-12 (PC cable).
- English and Spanish language menus and test results.
- Perfect tool box tester! Rugged engineered composite housing with protective rubber boot for years of service.
- Intuitive menu driven operation, transmitted via back lit LCD screen for ease of use.
- Unlike competitor models, AutoMeter testers only require a single technician to run a full electrical system test due to our on-board 40 amp True Load cell.
- This eliminates the need to apply inconsistent loads, such as headlights, fans, etc.
- which makes our products easier to use and more accurate.
Tests flooded, deep cycle, and AGM batteries with CCA range of 100-1600 - also detects discharged batteries, bad cells, and has built in reverse polarity protection.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | AutoMeter |
| Part Number | A00Q SB-300 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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