A Designed-in charge controller helps prevent overcharging; charging stops each time a battery is topped off and automatically resumes if the battery is drained. 2nd, if you need to demand the battery in a short period of time, a lot more amps are far better. Even though far more amps https://hukums.com/products/stanley-72-065e-double-ended-open-jaw-crv-spanner-50x55-mm