Electronic engine control unit for battery point testing for lithium-ion batteries for electric vehicles; battery testers; electric power management tools, namely, voltage testers for electric vehicles; vehicle diagnostic testers for chargers and engine starters, namely, diagnostic system analyzers, charging system analyzers and voltage testers; built-in lithium ion rechargeable batteries, cables, connectors and magnets; vehicle battery system comprised of an automotive battery starting and charging system analyzer, namely, a tester for measuring alternator health and identifying automotive battery charging issues; voltage testers for engine starters; automotive battery starting and charging system analyzers, namely, a tester for measuring vehicle health and identifying automotive battery charging issues; electric vehicle battery monitoring devices that may be attached to an electric vehicle battery to monitor the performance of the battery and operating software for use therewith, sold as a unit; computer hardware and software for charging and testing electric storage batteries and electric batteries for vehicles; computer software for processing, testing and measuring data collected from meters which measure values of electrical battery storage and output for electric vehicles; electrical power testers for electric vehicles; computer software for electricity measuring systems, namely, electricity meters, electrotechnical vibration meters, frequency meters, ammeters, electromagnetic measuring detectors, electromagnetic frequency detectors for electric vehicles; electrical test apparatus, namely, battery testers to test battery characteristics; monitoring apparatus, electric, namely, voltage monitor for monitoring modules and packs, voltage, charge and discharge, number of charge cycles and temperature; computer hardware and software for leak and energy testing of electric vehicle batteries.