Bumping this because I need the same info. Right now I have a CTEK tender and a full battery, will this be enough? I plan on doing a remote coding session that will take about 1-2 hours; we will be upgrading my Idrive to the latest update.
I bought this:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 just in case.
I know this:
https://www.amazon.com/dp/B00F8MC440...v_ov_lig_dp_it is ideal, but I need it sooner than later. Will I be okay with the CTEK, the Schumacher, or should I just get the Powermax and resched my coding session?