MPP165 charge controller 10 amps MPPT. Dual Battery


Increased solar panel usage using MPPT technology

Made in Germany

For solar panels of up to 165 watts

5 – 30% extra charging current compared to some PWM controllers

Suitable for lead-acid, gel, AGM and LiFePO4 batteries

Can also charge the engine battery at 1 amp

Optional: Plug-in remote display LCD-Solar-Computer-Display


MPPT Charge controller for motorhome and boat solar panels. Made in Germany

MPPT charge controller for motorhomes, sailing yachts and narrowboats. For solar panels up to 10 amps (165 watts).

  • Optimal charging of lead/acid, AGM, Gel or Lithium batteries
  • Can also charge your engine battery at 1 amp from the same solar panel
  • 10%-30 % extra use of the solar panel through the MPPT (mean power point tracking) system
  • Proven high reliability
  • Intelligent 3-stage charging:
    • ‘Boost’ mode to take full advantage of the available sunlight
    • ‘Absorption’ mode to maximise charge levels, and prolong battery life
    • ‘Float’ mode to maintain the batteries once they are fully charged
  • Specially designed for motorhomes and boats
  • Fully automatic. ┬áVery simple setup
  • LED indicators show charging, battery level and MPPT function
  • Robust, compact design built for very long life and zero maintenance
  • Can accept solar panels of up to 165 watts, 10 amps

SunWorks solar panels that suit the MPP165 MPPT charge controller:

We can supply rigid aluminium-framed panels, semi-flexible panels and marine grade solar panels. For example:

Installation information for the MPP165 MPPT charge controller:

Each controller comes with complete illustrated instructions. Here are the basics:

  • The controller is mounted inside the boat or motorhome close to either the engine or leisure/domestic battery.
  • Two wires pass through the roof or deck to connect the controller to the solar panel.
  • Two wires connect the controller to the battery.

Typical connections for a motorhome:

Typical connections for a boat:

Below we list some useful accessories that will ease the installation of your solar panel system.

Wiring accessories:

To help install this solar charge controller on your motorhome or boat, we recommend the following items:

Other useful accessories:

To make a secure and watertight connection through the roof of your motorhome or the deck of your boat:

If you need any further help or advice concerning this product, please do not hesitate to contact us: [email protected]

Additional information

Shipping Weight 0.6 kg
Shipping Dimensions 150 × 60 × 80 cm


Maximum solar panel current

10 Amps

Maximum solar panel power

165 Watts

Battery operating voltage (nominal)

12 Volts (nominal)


131mm x 40mm x 77mm

Controller weight

225 Grams

Charge modes

Boost (bulk), Absorption (PWM), Float (PWM)

Recommended wire type

4 mm sq. solar cable

Connection type

Screw terminals

Solar panel maximum Voc

50 Volts

Operating temperature

-20 degC to +45 degC


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