Sterling 90A Alternator to Battery charger (AB1290)

What does it do?

.

The Sterling 90A Alternator to battery charger is designed to be wired inbetween your alternator and batterys. A standard alternator has a pretty basic regulator on it that controls the amount of charge supplied to the batterys, the Sterling AB1290 acts like a very smart regulator and hence improves the charging performance of your alternator. In basic terms the alternator to battery charger controls the output of the alternator to give very similar performance to a big 4 step battery charger, putting as much charge in as it can without causing harm to the battery.

One of the main advantages of the AB1290 over the Sterling Pro Universal advanced digital regulator is that it is wired externally to the alternator. This makes the installation alot easier, you dont have to open up the alternator and solder wires in (this makes it particularly suitable for newer boats who may still have an active warranty on the engine and associated alternator). 

Sterling AB1290 specifications

.

• Capacity: 90A at 12v capacity (your alternator output should not exceed this).
• Two positive outputs (two spearate batterys or battery banks can be charged)
• Thermostatically controlled fan cooling
• Isolated outputs
• 4 step constant current charging curves
• 4 battery type charging curve selector
• Battery temperature sensing and compensation
• 12 LED output display information panel
• Overload and short circuit protected
• Size: 250mm x 250mm x 70mm

Wiring and setting up

.

If you are looking to purchase a Sterling Alternator to battery charger (Sterling AB1290 or Sterling AB12160) and would like advice on how to wire one in, or how to set it up then please feel free to give us a call on (01353) 663095 and we will be happy to advise you to the best of our ability.