KONNWEI KW520 12V 24V 3 in 1 Car Battery Tester with Detection & Repair & Charging Function Features: 1. Accurate battery tester: It can tell you whether the battery needs to be charged by detecting the voltage, charge and internal resistance of the battery, and comprehensively analyze the health status of the battery. This battery analyzer also runs cranking and charging system tests as well as car alternator tester charging for peace of mind on the road. 2. Fully automatic battery charger: Recharge batteries as low as 2V, max output 12V 10A and 24V 5A. In addition, it can not only help you charge, but also adopts the latest pulse repair technology, and the one-key repair function can restore the battery performance. 3. Support pulse repair: It can automatically detect sulfation and acid stratification, and the advanced repair mode can repair and retain the damage effect when the battery is not charged for a long time to improve battery performance and life. 4. Widely Compatible: Support testing, charging and repairing all 12V-24V 100-2000CCA lead-acid batteries, including ordinary rich water type, AGM flat type, AGM spiral type or gel battery or lithium battery, can be used to diagnose cars, boats, cutting Batteries for lawn mowers, etc. 5. Made of fire-resistant materials, fire-resistant and flame-retardant, safer to use 6. Multilingual support: There are 8 language options, English, German, French, Dutch, Russian, Spanish, Italian, Portuguese. Specification: 1. Applicable battery type: various lead-acid batteries 2. Screen: 2.4-inch high-resolution LCD screen 3. AC input: 100-240V 50-60Hz 4. Output voltage: 12V 5. Output current: 12V 10A 24V 5A 6. No-load output voltage: 13.8V 7. Minimum starting voltage: test greater than or equal to 2.0V, charging greater than or equal to 5.0 8. Input power with load: maximum 150W 9. No-load input power: 5W 10. Cooling method: fan 11. Charging capacity range: 4AH-100AH 12. Temperature compensation: yes, winter and summer mode Package list: - H