Setec ST electrical system to BMPRO ASPower Upgrade Service
Is your Setec ST-20 or ST-35 starting to fail? Common symptoms include:
- No battery charging when connected to 240V
- 12V lights and appliances cutting out
- Intermittent or total 12V power loss
- Fan running constantly or unit overheating
- Also known as ST-11 or ST-111
If you’re experiencing any of these, it’s time to replace your ST electrical system with the modern, reliable BMPRO ASPower.
Why Upgrade to BMPRO ASPower?
- Fully lithium battery compatible for modern battery setups
- Built-in solar controller for efficient solar charging
- Restores stable, dependable 12V power
- Correct battery charging from mains power
- Quiet, efficient, and future-proof design
Optional Upgrade: BMPRO JControl Display
Take your power system further with the JControl Display:
- Integrated battery isolator switch
- Water pump on/off control
- Accurate battery State of Charge (SOC) — essential for lithium batteries
- Water tank level monitoring (requires optional tank sensors)
Water tank sensors are available at extra cost if your van doesn’t already have them. This allows the JControl to replace your existing tank monitor screen and centralise control of battery, water pump, and tank levels in one display.
The JControl is sleek, wall-mounted, and makes managing your caravan power system simple and intuitive.
What’s Included in the Service
- Removal of your failing Setec ST-20 or ST-35
- Installation of the BMPRO ASPower
- Wiring inspection and tidy-up
- Full 12V and 240V system testing
- Optional JControl installation (and optional tank sensors)
- Mobile service at your home or storage location
Book Your Upgrade
Select your service date at checkout and choose the optional JControl Display and water tank sensors for a complete, modern caravan power management solution.
📅 Book your installation now or contact us for expert advice.