However They will not shut-off automatically. A voltmeter or hydrometer is required to check the battery problem periodically and switch off the charger, as soon as the batteries are absolutely charged. The one.twenty five amps of power provided guarantees a "small and sluggish" charge, which happens to be best for https://hukums.com/products/elak-battery-tester-for-testing-motorcyclebike-batteries-upto-10a-40a-bct-7-mx