Category BATTERIES

AGM and lithium in real use: usable capacity, discharge rate, charge acceptance and what a battery looks like when it’s dying early. Including my own, which didn’t last a year.

BATTERIES, solar-climate

Solar Panel Not Charging the Battery? Find the Fault in Five Measurements

When solar stops charging, the panel is almost never the problem. Panels are the most reliable component in the system — no moving parts, sealed, and warrantied for twenty-five years. The fault is usually in the twenty feet between the…

gustavo Moré Sica
August 18, 2026
6 Comments

BATTERIES, ELECTRICAL

AGM vs Lithium in a Camper Van: What the Difference Actually Looks Like

Two batteries labeled “100 Ah” can behave so differently that comparing them by that number is close to meaningless. One of them will give you 50 amp-hours before you should stop. The other gives 90. One will feed a 1,000…

gustavo Moré Sica
August 18, 2026
8 Comments