I'VE USED IT FOR A COUPLE OF MONTHS SO FAR AND HAD NO PROBLEMS. IT DIVERTS TO A WATER HEATING ELEMENT (PURCHASED SEPERATLY AT altE) WHEN THE BATTERY BANK REACHES THE VOLTAGE THAT YOU ARE ABLE TO SET. IF YOU HAVE TO MAKE SETTING ADJUSTMENTS YOU MUST REMOVE THE FACE PLATE; BUT NO PROBLEM, JUST 4 SCREWS. ALSO, IF YOU NEED TO CHANGE THE VOLTAGE FROM THE PRE-SET VOLTAGE; A VERY SMALL PAIR OF PLIERS WILL BE USEFULL TO MOVE THE JUMPER. JUST PULL THE JUMPER OFF THE PRONGS AND MOVE TO THE PRONGS BY YOUR SYSTEM VOLTAGE AS LABELED. THE INSTRUCTION BOOK IS VERY CLEAR. AGAIN A GREAT PRODUCT AND YOU MIGHT CHECK OUT THE AVAIALABLE VOLTAGE AND AMP/HR METER (I BOUGHT THAT AT altE ALSO).

S. FREUDNESPRUNG, KATY, TX

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