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Motorhome Battery charger installation


If you already have a battery charger, we can fit yours for you. Please contact us with your system and we will be happy to help.

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Sterling Battery to Battery Motorhome Chargers

Sterling Battery to Battery Chargers

Battery to Battery Charger


Sterling Battery Display

On the surface this may look like another way of having an advanced regulator without wires and in a way it is, however this method has a specific market in mind and like the advanced regulator and the voltage amplifier it has a very precise slot which it has been designed for and fits in there perfectly.

Why do I need the D/C battery charger?
By know I hope most people understand that the best way to charger a battery is using a 4 step battery charging curve (which cannot be achieved from a standard alternator). This system enables one to simply attach the unit to a standard engine battery and it will fool the alternator into working at its maximum ability, this will ensure all its surplus power is used to charger the auxiliary battery bank to its maximum. This system is designed to use only the surplus power and ensures that at all times the power required to run the primary system (the vehicle system or the boat engine) is not affected. The surplus power is converted into a higher voltage and used to charge a secondary battery bank using a digitally controlled programmable 4 step charging curve as per all the other high charge products Sterling makes.
What performance improvements would I expect?
In a nutshell it charges your extra battery system about 5 times faster than it would otherwise charger and puts about 100% extra use full power into them and increases the life of the battery by de-sulphating them.
For best effect use open lead acid batteries, avoid gel, sealed and AGM batteries.
How does it work?
The unit monitors the engine start battery, the unit will not start until the battery voltage exceeds 13 volts, then it waits for 2.5 minutes to ensure that some charger is replaced after engine start, it then pulls the engine battery down to no less than 13 volts, this enables the engine battery to still receive a charge and ensures the alternator works at its full potential to further ensure the engine battery is OK.

Other features included in this system include remote control option, alternator temp sensing, battery temp sensing, ignition feed (if required), automatic start and shutdown. Its extra features and charging curves (software program) are very similar to the alternator to battery charger.

Technical information
Max charging current: from 30amp to 45amp
Charge Regime: 4 stage

Size: 200mm x 270mm x 70mm
Weight: 2.5kg

Supplied and Fitted from:
Sterling 45amp 12v - 12v Batt to Batt charger £450.00

Sterling Display for Batt to Batt £125.00

Plug-in Mains Motorhome Battery Chargers

Microprocessor controlled, lightweight and efficient with full safety protection. 3-Stage fast charge mode, latest model of unit fitted by many motorhome/caravan manufacturers. The CT leisure battery chargers from the Plug-in Power Systems range are a lightweight and efficient unit, combining power and safety to provide the ultimate in battery chargers. It is especially designed for motorhome and caravan installations, simple to install and requiring minimal attention in use.

The unit incorporates the following main features:

  • 18A output
  • '3-STAGE' charge mode
  • Compatible with flooded or AGM batteries
  • Overcurrent protection
  • Short circuit protection
  • Thermal overload protection
  • Fan protection
  • Low temperature protection

The battery charger will work with or without a battery in circuit but for optimum performance a good quality leisure type battery is recommended. With the unit connected to a 230 volt mains supply and 12 volt electrics, its operation is fully automatic once switched on. The unit is capable of providing up to 18 amps but should this load be exceeded then the charger will enter current limit mode to prevent damage to itself and associated 12 volt installations.

The unit will, if necessary, operate on a low mains input, (making it ideal for low continental voltages) and still provide a stable (regulated) dc output voltage.

Supplied and Fitted from:
Plug-in Mains Battery Charger £150.00

Sterling Pro-Charge "D", 30A/12V Motorhome Battery Charger

Sailing Today magazine tested Sterling’s range of ULTRA battery chargers and came to the conclusion that “This has to be the most flexible marine charger on the market today”. The Sterling unit was up against some of the best chargers on the market from some of the best known names but. given the specification of these chargers and Sterling’s reputation, it’s no real surprise that these models did so well on test.

Sterling "Ultra" battery chargers include these features:

♦ 11 pre-programmed battery curves including: Open/Sealed lead acid, AGM & Gel
♦ Optional remote control can be easily connected.
♦ Water-resistant housings
♦ 2 x digital meters for current & voltage measurement and 32-LED information display.
♦ Multiple speed fan control which reduces unnecessary fan noise.
♦ P.C.Bs are conformal coated for high humidity and salt air operations.

Mains operating voltage 80-250 AC, 40-400 Hz.
Nominal charging voltage 12V
Charger type Four step fully automatic
Suitable for battery types
All types of lead-acid battery inc. wet, AGM and GEL.
Suitable for battery sizes
1.2Ah - 330Ah
Maximum continous charging current
30 Amps
Ambient temperature rating -20°C - + 65°C. Automatic reduction of power at high ambient temperature.
Cooling method Fan Cooling
Dimensions - W x H x D: 340 x 195 x 60 mm
Weight 3.0Kgs
Protection Reverse polarity, short circuit, over load, over temperature
Warranty 2 years

Supplied and Fitted from:
Sterling Pro-Charge "D", 30A/12V Battery Charger £395.00

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