Features-One-of-the-most-advanced-&-most-intelligent-battery-charger-diagnostic-&-testing-devices-for-all-2V-6V-&-12V-rechargeable-batteries-as-well-as-maintenance-free-gel-batteries-&-lead-acid-batteries-This-charger-operates-with-state-of-the-art-charging-technology-&-ensures-optimum-charging-&-maintenance-of-lead-acid-batteries-An-intelligent-software-constantly-monitors-the-complete-functions-&-controls-the-correct-charging-process-depending-on-the-condition-The-battery-can-remain-connected-for-months-An-overloading-is-not-possible-Five-LEDs-permanently-indicate-the-operating-status