There are many inexpensive single-stage bulk chargers available in automotive stores, but to give your RV battery a fast, accurate charge that will charge your 12V batteries the way the battery manufacturers recommend, the KISAE AbsoCharger is the product for you.
The KISAE Absochargers have 3 charging stages:
3" of clearance around the unit is needed.
Manufacturer warranty is One Year.
This charger is recommended for 200-400 Ah batteries. The Owner's Manual and Data Sheet is full of helpful information. The general idea is that the higher the capability of a battery charger the faster it can charge a battery or bank of batteries.
by Camping World – December 29, 2015
Intelligent micro-processor controlled Battery Charger is ideal for dry camping RV'ers wishing to upgrade their trailer charger and provide a fast, accurate charge.
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