Originally Posted by workingonit

The smart charger I used back in 2015, to save the AGM battery (along with the wheeled heavy-duty unsmart charger), is also very lightweight. It's a Schumacher XCS15, and it's probably 15 years old now, and it's in the trunk of the X5, just in case. But, my new favorite, the Clore Automotive PL2320, is a bit more substantial, has added features, and I use it as my primary charger, now. I still use the 30 year old wheeled charger, only if I'm needing to jumpstart a nearly dead battery, fast.



The old rule of thumb was that "the heavier your charger is, the more durable it is". Perhaps so, but the solid state chargers are getting better all the time.