As the internal lead plates absorb energy and build up their own counter-voltage, the battery's electrical resistance changes. You will observe the ammeter needle slowly migrating back toward the left over several hours.
: Protects against damage if the output clips touch each other while powered. Technical Specifications Voltage : 12V DC output. Current : 4 Amps maximum charging rate. Case : Flame-retardant, robust construction. Indicators : Moving arm analog ammeter. Old Car Battery Charger - How to use it? | DIYnot Forums selmar-turbo-4-battery-charger-instructions
If your battery has removable caps (not maintenance-free), ensure the liquid level covers the plates. Top up with distilled water only if needed. 3. Step-by-Step Operating Instructions As the internal lead plates absorb energy and