Electric vehicle charger is a device specifically designed for charging the vehicle battery of electric vehicles, which is a power conversion device with specific functions used for battery charging. Electric vehicle chargers can be divided into DC chargers and AC chargers DC charger: refers to a charger that uses a DC charging mode to charge the power battery assembly of electric vehicles. The DC charging mode is a mode where the controllable DC power output from the charger directly charges the power battery assembly AC charger: refers to a charger that uses AC charging mode to charge the power battery assembly of electric vehicles. AC charging mode is a mode of providing charging power to electric vehicles using three-phase or single-phase AC power sources. The characteristic of AC charging mode is that the charger is an on-board system
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China