Yes. The Turbo 4 has automatic float charging. Once the green LED is solid, it will maintain the battery without overcharging. However, for unattended charging, ensure the battery is in good condition and the area is ventilated.
: A high-quality analog gauge that shows the current charging rate in real-time. selmarturbo4batterychargerinstructions
: For non-sealed batteries, remove cell caps and top up with distilled water if the liquid is low before charging. Fuse Replacement for unattended charging