01AUTOMOTIVE REPAIR & SPECIALITY TOOLS
Precision diagnostics for the twelve volt core
The A300 sits quietly on the workbench, a compact instrument ready to interrogate the heart of the vehicle. Its matte ABS casing feels substantial yet light, designed to be picked up, connected and read without fuss.
This diagnostic tool assesses the health of 12-volt batteries, providing immediate data on charge and capacity. It suits the DIY mechanic or enthusiast who values precise, non-invasive readings before deciding whether to service or replace.
02DESIGN
Robust construction for daily workshop use
Housed in durable ABS plastic, the unit is built to withstand the rigors of a busy garage. The design prioritizes clarity, featuring a large LED screen that displays data legibly from various angles. Heavy-duty clamps ensure a secure connection to terminals, while the overall form factor remains lightweight at 261 grams, making it easy to store in a drawer or carry between vehicles.
04SAFETY
Protective features for confident handling
Working with car batteries requires care, and this tester includes reverse polarity and over voltage protection to safeguard both the device and the user. A beep reminder function signals when the test is complete or if attention is needed, adding an auditory layer to the visual display. This makes the process intuitive, reducing the chance of misreading a terminal or misinterpreting a value.
05COMPATIBILITY
Versatile support for multiple battery types
Designed for the 12-volt ecosystem, the A300 works reliably with Flood, AGM, Gel and Deep Cycle batteries. Whether servicing a classic car, a modern sedan or a deep-cycle setup for auxiliary power, the tool adapts its reading to the specific chemistry. The specifications align with DIN, IEC and EN standards, ensuring broad applicability across different regional battery formats.
06AT A GLANCE
The key points
- Measures voltage, resistance, CCA and battery life percentage
- Compatible with Flood, AGM, Gel and Deep Cycle 12V batteries
- Durable ABS housing with heavy duty clamps and beep alerts
- Compact 13 x 6.2 x 2.8 cm body weighs approximately 261 g
- Reverse polarity and over voltage protection for safe testing
07
Highlights
- Host Size
- Approx. 13×6.2×2.8cm / 5.1×2.4×1.1in
- Test Items
- Voltage, resistance, CCA, battery condition
About this product
1, Test and analyze battery load system, indicating battery condition include battery life percentage, CCA, battery voltage,battery resistance. 2, Continuous test with battery power, no damage to battery, and the reverse polarity and over voltage protection make it to be ultra safe. 3, Complete wide CCA test range (100-1700), offer reliable and accurate operation for more sized batteries. 4, Great compatible with most 12 volt battery type(include Flood battery, AGM battery, Gel battery, Deep Cycle Battery), work fast and precisely. 5, Come with large LED screen and heavy duty clamp, and beep remind function make it to be more durable and reliable. 6, With compact shape, stable performance, shockproof, lightweight and portable, take up no space and you can put it anywhere.
Power of the analyzer is supplied by the vehicle battery.For testing, the clinchers of the analyzer should be clinched correctly on the battery during is testing. (Red clincher means positive terminal and black clincher means negative terminal which should be clinched correspondingly on the terminals of the battery.
b. The screen gets lightening and Bee alarm will emit a “B”sound.
The screen shows moving digits, all test indexes and low battery caution index.
c. Press “OK”it gets into the step of CCA (Cold Cranking Ampere) value input
d. The third digit on the right of the four digits number index blinks, it means the indication digit is changeable by UP(increasing) or DOWN(decreasing) function button. Press the UP(increasing) or DOWN(decreasing) function button until the correct digit shows and move to next digit place for value-input by pressing “SEL”.
e. The units digit on the right if the four-digits number carries each time 5 units in adding, the other digits carry once an unit in adding.
f. After input steps are completed, press”OK”, the analyzer will start testing mode for 10 seconds.
The Bee alarm keeps emitting “Be”sounds when the testing mode is closed. Press any button to stop the “Be”sounds.
If the voltage of battery is too low. the “low”sign at the below left position on the screen will flash, please recharge the battery and test it again.
Please allow 1‑2in error due to manual measurement. Thanks for your understanding.
Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
Specification
Item Type: Battery Tester
Material: ABS
Color: As shown in the picture
Weight: Approx.261g/9.2oz
Input Voltage: DC12V
Applicable Object: 12V battery
Wide Operating Range:
CCA: 100-1700
DIN: 100-1000
IEC: 100-1000
En:100-1700
Battery Life Percentage:
80% – 100% Good Condition
60% – 80% OK, Not Bad
40% – 60% Need Attention
0% – 40% Bad, Need to Exchange Required
How to Use
Turn on and input
a. Press the power button for 1 second
Package List
1 x Battery Tester
1 x Instruction Manual
Note
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