tankpow car battery charger automotive trickle chargers 6a 12v, multifunctional smart battery charger for lithium/lifepo4/lead-acid/agm batteries, maintainer desulfator with temperature compensation tankpow <b>protection features:</b><br> output short protection<br> short circuit connection of the clips: check clips are not touching each other or check the clips are correctly connected to the battery.<br><br> <b>non battery link protection</b><br> if battery charger connects with non battery load,it will go into protection state.<br><br> <b>faulty battery</b><br> bulk charging has timed out and stopped after 24 hours. battery is faulty and may need to be replaced.<br><br> <b>over voltage protection</b><br> the 12v charger will automatically protection if the voltage is higher than 17.5v.<br><br> <b>over temperature protection</b><br> internal temperature is above 65°c(±5°c)<br><br> <b>package included:</b><br> 1 x battery maintainer charger<br> 1 x alligator clamps dc cable<br> 1 x battery rings dc cable with fuse protection<br> 1 x user manual<br>