Having said that they will not shut-off automatically. A voltmeter or hydrometer is required to check the battery ailment periodically and swap from the charger, once the batteries are thoroughly billed. This battery charger is easy to utilize and it has substantial, solid alligator clamps. We found it among the https://hukums.com/products/xtra-power-180-mm-angle-grinder-2050-w-8300-rpm-xpt-400