Item Code: BM12123

Sterling Battery Maintainer 12v-12v, 3 amp

£94.00
( Excl VAT VAT £78.33)
 
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The battery maintainer is a charging device that enables an extra battery bank to be kept 'topped
up' from the main battery bank which has the charging device(s) connected to it (e.g. alternator,
battery charger, solar cell / wind turbine etc). The unit transfers approximately 3A (12V) and requires
the charging devices to be turned on to work. It is best suited at keeping a starter battery topped up
and maintained by the charge that your house bank receives.
How does it work?
The unit is activated when the main battery has reached around 13.3V (26.6V at 24V) and allows excess power to be transferred from the primary charging system to charge / maintain an auxiliary battery bank. The transfer current is 3A at 12V.  It is simple to install and is a low cost product. Saving time on installation and money on repeatedly replacing destroyed flat batteries.
Power Saving. The battery maintainer uses FETs instead of relays and as such uses very little power itself (less than 1mA). This allows your solar harvest to be more efficiently distributed rather than lost across inefficient relays.
IP65 Waterproof (rated to)
It is simple to install and is a low cost product. Saving time on installation and money on repeatedly replacing destroyed flat batteries.
Ignition protected and reverse polarity protected
The battery maintainer is a charging device that enables an extra battery bank to be kept 'topped
up' from the main battery bank which has the charging device(s) connected to it (e.g. alternator,
battery charger, solar cell / wind turbine etc). The unit transfers approximately 3A (12V) and requires
the charging devices to be turned on to work. It is best suited at keeping a starter battery topped up
and maintained by the charge that your house bank receives.
How does it work?
The unit is activated when the main battery has reached around 13.3V (26.6V at 24V) and allows excess power to be transferred from the primary charging system to charge / maintain an auxiliary battery bank. The transfer current is 3A at 12V.  It is simple to install and is a low cost product. Saving time on installation and money on repeatedly replacing destroyed flat batteries.
Power Saving. The battery maintainer uses FETs instead of relays and as such uses very little power itself (less than 1mA). This allows your solar harvest to be more efficiently distributed rather than lost across inefficient relays.
IP65 Waterproof (rated to)
It is simple to install and is a low cost product. Saving time on installation and money on repeatedly replacing destroyed flat batteries.
Ignition protected and reverse polarity protected
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