leagend BA4000 is an advanced diagnostic tool designed for testing lead-acid batteries and electrical systems. It supports 6V, 12V, and 24V systems, providing comprehensive diagnostics on battery CCA (cold cranking amps), internal resistance, voltage, state of charge (SoC) and state of health (SoH). leagend BA4000 also evaluates the vehicle’s cranking and charging systems.
ALL-IN-ONE
BATTERY TESTER
● Test the 24V/12V/6V lead-acid battery CCA (cold cranking amps), internal resistance, voltage, state of charge(SoC), state of health(SoH) ;
● Test the 24V/12V vehicle cranking system and charging system;

ONE-KEY QUICK TEST
One-key quick test function for batch battery continuous test or real-time voltage curve;
REAL-TIME DISPLAY
Real-time voltage curve graphic display, can be saved up to 120 seconds and played back;
SAVE RECORDS
Can save up to 2100 historical test records, including motorcycle battery test, car battery test, heavy truck battery test, starting test, charging test, voltage curve, 350 records each;
PRINT THE TEST RESULTS
Can print the battery test, cranking test and charging test data by built-in printer or connecting it to the computer via USB cable;
BUILT-IN PROTECTION SYSTEM
Built-in protection for short circuit and reverse connection;
AUTOMATIC TEMPERATURE COMPENSATION
Automatic temperature compensation for test results;
SPECIFICATIONS
Inquiry & Sample Request
Faqs
2. We respect our customers and are fully willing to grow together with them to achieve a win-win situation.
2.Small-batch trial orders are supported.
1. The customer provides the required drawings/detailed parameters.
2. The project is confirmed to be feasible.
3. A contract is signed with the customer and a deposit is paid.
4. Follow up on the customer's needs and make samples.
5. The customer tests and confirms the samples.
6. Mass production begins.
2.During the warranty period, we provide free repair and free firmware software updates.
2.If the defective rate exceeds the acceptable range based on the sampling inspection ratio, the factory shall re-produce the goods.
2.On-site factory visits require an appointment 7 working days in advance. We will arrange a dedicated person to receive you and provide a full tour of the production workshop, quality inspection process, warehousing and logistics. Video factory visits can be booked at any time and support bilingual explanations in Chinese and English.
2.Standard quotes are valid for 30 days, while quotes for customized products are valid for 15 days.