Solar Power System
Off-grid operation for sites with no power
Most of the places a transceiver check belongs have no electricity. The Solar Power System pairs with a DTS Transceiver Checker to run one indefinitely on sunlight — battery, MPPT charge controller, and weatherproof wiring in a single lockable enclosure, sized for alpine winter and short-daylight latitudes. Supply a standard solar panel and it runs.
Weeks
Runtime without sun
50 W+
Standard solar panel
Victron
SmartSolar MPPT 75/15
IP66
Lockable enclosure
Built for short days and long storms
Alpine winter is the hard case for solar: low sun angle, short days, snow on panels, and storm cycles that can put a week between useful charging opportunities. A system sized for summer conditions fails in February, which is exactly when the checker matters most.
This one is sized against the checker’s actual duty cycle, with reserve to carry weeks without solar input. Pair it with the checker’s Low Power profile and that margin extends further.
Standard connectors
Waterproof detachable connectors — one to the DTS Transceiver Checker, two to the solar panel. No soldering, no custom wiring harnesses, no specialized tools.
Install in the fall, disconnect for end-of-season service, reconnect the next season. Anyone who can use a wrench can do it, in gloves.
One sealed enclosure
Battery, charge controller, and all weatherproof wiring live in a single IP66-rated, lockable enclosure. One object to mount, one thing to secure, nothing exposed.
The Victron controller itself carries an IP43 rating — adequate indoors, nowhere near enough on a post in the Cascades. The enclosure is what makes the assembly weatherproof, which is why it is part of the product rather than something you source yourself.
Add a panel and go
The system takes any standard 50 W or larger solar panel, which you can buy locally rather than waiting on a proprietary part from us. The controller handles the rest: charging the battery, regulating voltage to the checker, and managing low-light periods.
The Victron 75/15 accepts up to 75 V open-circuit and roughly 220 W of panel at 12 V, so there is headroom to oversize for a shaded or north-facing site.
Check it from the parking lot
The SmartSolar controller has Bluetooth built in. With Victron’s free VictronConnect app you can see battery state of charge, charging current, and yield history from your phone, standing next to the installation — no laptop, no opening the enclosure, no cell service required.
Useful on a pre-season check, and more useful when you are trying to work out whether a unit has a power problem or a different problem.
Specifications
| Charge controller | Victron SmartSolar MPPT 75/15 |
| Controller rating | 15 A, 12 V / 24 V automatic selection |
| Maximum PV input | 75 V open circuit; approx. 220 W panel at 12 V |
| Recommended panel | Any standard 50 W or larger (customer supplied) |
| Peak conversion efficiency | 98% |
| Battery | 12 V sealed lead-acid, included |
| Runtime without solar input | Weeks, depending on checker power profile |
| Operating temperature | −30 °C to +60 °C (full rated output to +40 °C) |
| Monitoring | Bluetooth, via the VictronConnect app |
| Enclosure | IP66 rated, lockable |
| Connectors | Waterproof detachable — one to checker, two to panel |
| Warranty | 3-year limited warranty; battery excluded |
Operating temperature reflects the charge controller. Battery performance in deep cold is the limiting factor in practice — see Warranty and RMA for coverage details.
What’s in the box
- Solar Power System in IP66 lockable enclosure, wired and ready
- 12 V sealed lead-acid battery, installed
- Victron SmartSolar MPPT 75/15 charge controller, installed
- Waterproof detachable connectors — checker cable and solar panel cables
Solar panel and mounting hardware are not included — both are widely available locally and vary by site.
Planning an off-grid install?
Tell us the site — latitude, shading, expected traffic, and how long a storm cycle typically runs there — and we will tell you what to expect. Request a quote →
Ready to go?
Share some more info and we will send you everything you need to order!