BP35IIGAUSI Non-Lithium Management System

Part No: BP35IIGAUSI Category:


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BatteryPlus35II Non-Lithium Management System

BatteryPlus35’s (BP35IIGAUSI) non-lithium management system by BMPRO controls your caravan’s house battery and 12V appliances.

Compatible with AGM, Wet, Gel deep cycle batteries

made in australiaPlease Note: – Installation is carried out only by suitably qualified personnel.

A battery management system is just like a house distribution board. Connect a visual display to your Batteryplus35 to quickly review power usage.

BMPRO offers all-in-one solutions, including a power supply and distribution board for 12V loads, an intelligent charger, and multiple battery protection features with built-in LVD and automatic fuses.

BMPRO equipment is Designed and Manufactured in Australia

Designed and manufactured in Australia, caravan power and battery management systems are highly reliable and efficient solutions for your recreational vehicle.

Key Features

  • Total output current 35A
  • 20A multistage battery charger
  • Inbuilt solar PWM regulator (240W, 20A, 25V max input)
  • Distribution board with 12 at 10A and two at I5A DC outputs for load connection
  • Electronic resettable fuses
  • CAN bus connection for BMPRO accessories
  • In-built battery management system
  • Solar and Aux Blending
  • Auxiliary DC input
  • Load current limit
  • Low voltage disconnect
  • Compatible with AGM, Wet, Gel deep cycle batteries

BatteryPlus35-II-SI is a complete battery management system designed specifically for recreational vehicle applications.

This all-in-one power solution combines a 35A power supply for 12V loads, 20A multistage AC charging and 20A Solar PWM regulation, and battery protection features.

Choose a BatteryPlus35-II-SR  with an inbuilt 30A Solar MPPT regulation for more robust solar capability.

Connect the unit via CAN bus to the Trek battery monitor or to the Odyssey touch screen via the OdysseyLink to monitor the status of your battery. Also, control your caravan features and functions or use it to connect to the BC300 to monitor high currents via CommLink.

Solar Panels

Connect solar panels to the solar battery management system and power your adventures with renewable energy.

BatteryPlus35-II-SI is pre-cabled with a permanent mains power supply cord with 240V or 110V input power – great for powered sites.

The unit also features a 40A-rated uncontrolled +BRK battery output.

This output is specifically designed for loads that do not need to be isolated or have a higher current rating than the inbuilt circuit protection of the individual outputs and have a rating of less than 40 A.


  • Input Voltage Range 110-240V AC ± 10%, 50-60Hz
  • Output Current 35A (Load + Battery Current)
  • Factory Set Voltage 13.65V (Float Voltage)
  • Output Ripple Voltage <150mV
  • Battery Current Limit max. 20A
  • Low Voltage Disconnect  10.5V ± 0.2V
  • Battery Connect after LVD  12.8V ± 0.2V
  • Battery Drain <15mA (when in Storage Mode)
  • AC/DC Efficiency >83%
  • Cooling Fan Thermally Controlled
  • Ambient Temperature 0-50 °C
  • Communication bus available
  • Weight 2kg

Find the full range of BMPRO products below

Additional information

Weight3 kg
Dimensions40 × 23 × 8 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.


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