Jul 22, 2020 · Can’t load the trailer, I left the battery switch connected, both dead. No problem I says to myself. I’ll head over to Harbor Freight and pick up a charger. $54.99 for a 2-10-50 …

You should be able to purchase a replacement 17 amp-hour battery and replace it, to restore the device to practical use. Consider also to invest in what is called a battery tender, which …

Jun 21, 2021 · 0 I received a harbor freight Cen-tech battery jump pack as a gift. It got knocked over when I took it camping to charge my phone and inflate my bed. Now the input jack (the …

Jul 22, 2020 · The battery was so dead it wouldn't light up a 1157 bulb, but the charger detected it and was able to charge it. I do have an older Schumacher commercial 2/40/200 …

Jul 22, 2020 · Be careful trying to charge a really dead battery while driving. As you noticed it got hot and was pulling in 56 amps, That is a lot of load for a long time on the tow vehicle …

Mar 22, 2017 · This charger is more of a power supply than anything else but it will be good as a quick charger for a discharged large battery, my current charger would take up to 24-30 hours …

Jul 7, 2021 · @paulster2 I believe this is a maintainer like the tender --> Harbor Freight / CEN-TECH 12v Deluxe Battery Maintainer And Float Charger. I found it from reading battery tender …

Jul 27, 2019 · The 2 ampere and 10 ampere options allow charging different capacity batteries. You would use 10 amperes on a car battery and 2 ampere on whatever small batteries you …

Nov 10, 2015 · I brought a battery back from death like this with a "smart charger". I had to charge the battery a little with a jump start just so the smart charger would even turn on (it has to …

Jan 10, 2016 · The ground connection for a battery charger, used at a 2-4 amp rate (trickle charging) should ALWAYS be applied direct to the ground side post of the battery. Hence why, …