See full version: VIKING 4 Amp Fully Automatic Microprocessor Controlled Battery Charger/Maintainer – Item 63350
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Microprocessor control makes this high frequency battery charger ideal for automotive, marine, farm and RV battery charging. This fully automatic microprocessor controlled battery charger can charge all lead acid 12v batteries including deep-cycle, gel and AGM. High frequency current pulse can be used to recondition batteries that are weak, sulfated or deeply drained. Three levels of protection include Overheat, Overcharge and Reverse Polarity.
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As the name suggests, these are built to maintain the charge of a battery. This prevents them from completely discharging all of their energy and work best as quick fixes and may help extend the battery life. [links]
The name basically covers the gist of this battery charger. This is the most basic form of chargers you can find, They restore and revive the power in your battery, even if it is completely out of juice. These are the most common types of battery chargers, and their universal fit makes them capable of providing the correct amperage to your vehicle no matter if it has a marine battery, AGM battery, gel battery, or any other type of battery. here
The chart is listed below. But first, a few important notes and caveats…
The reason I ask is: I have 90 watts of harbor freight panels, run thru a sunsaver controller that charges 2 wally world deep cycle batteries and the gravity has almost never been below the green level, and I never really have had to add much water. I mainly use this system for 12 volt water pumps,a few LED’s and cfl lights and occasionally power tools. In other words a heavier load for shorter periods. [links]
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