The RST-900S is mid-size self-powered surveillance trailer designed for medium-to-large off-grid sites without grid power. Equipped with three 490W bifacial solar panels and a 25.6V 460Ah heated lithium battery pack (11.7kWh), it supports up to 54 days continuous operation under 145W CCTV load. It comes with integrated 2kW auto-start DC diesel generator that automatically charges batteries when SOC drops below 20%, solving power shortages during long cloudy seasons. Full pre-installed Hikvision surveillance kit includes 4MP 25× zoom PTZ dome, 4-channel Acusense NVR, 30W two-way audio speaker and 8-inch local touch display.
Product Overview
The RST-900S is mid-size self-powered surveillance trailer designed for medium-to-large off-grid sites without grid power. Equipped with three 490W bifacial solar panels and a 25.6V 460Ah heated lithium battery pack (11.7kWh), it supports up to 54 days continuous operation under 145W CCTV load.
It comes with integrated 2kW auto-start DC diesel generator that automatically charges batteries when SOC drops below 20%, solving power shortages during long cloudy seasons. Full pre-installed Hikvision surveillance kit includes 4MP 25× zoom PTZ dome, 4-channel Acusense NVR, 30W two-way audio speaker and 8-inch local touch display.
6.3m hot-dip galvanized manual telescopic mast delivers high-angle perimeter monitoring. All wiring is pre-routed with PoE, 12V/24V/48V DC ports for plug-and-play camera setup. US DOT single-axle trailer with standard 2'' ball hitch, four stabilizer legs and built-in forklift pockets, fully anti-corrosion coated for -35℃ ~ +60℃ extreme climates. CE & ISO9001 certified with 16+ years global export record.
Core Competitive Advantages
Triple bifacial panels absorb light from two sides; fully recharged within 7.3 hours under peak sunlight for reliable daily energy replenishment.
Built-in battery heating system for cold regions, 10+ year service life, supports up to 54 days non-stop monitoring on full charge.
50L fuel tank auto activates at low battery to guarantee uninterrupted surveillance during prolonged rainy weather.
Pre-configured Hikvision AI PTZ, 4CH Acusense NVR, IP55 two-way speaker and local touch screen for on-site live viewing.
5.US DOT Road-Legal Tow Chassis
Standard US 2'' ball hitch, reflective road lights, four leveling outriggers and forklift cutouts for easy yard & highway transport.
Real-time mobile tracking of solar output, battery SOC, runtime, equipment faults via indRSTrial 4G router.
3 units per 20GP container, 7 units per 40HQ container to reduce bulk ocean freight costs.
Full Specification Table
Solar & Energy Storage System
| Item | Parameter |
| Solar Panels | 3 × 490W Bifacial BC Mono, manual tilt adjRSTment |
| LFP Battery | 25.6V 460Ah with heating module, total 11.7kWh |
| Solar Controller | 60A MPPT with remote cloud monitoring |
| Full Solar Charge Time | 7.3 hours under peak sunlight |
| Continuous Runtime | 54 days @ 145W full CCTV load |
| Backup Generator | 2kW DC auto-start diesel, 50L metal fuel tank |
| Aux Charging | 1.5kW AC shore power charging compatible |
| Power Outputs | PoE Switch + 12V / 24V / 48V DC terminals |
6.3m Telescopic Mast
| Item | Parameter |
| Max Mast Height | 6.3m, 5-section hot-dip galvanized square steel |
| Lifting Mode | Manual hand winch operation |
| Wind Resistance Rating | 117 km/h |
| Top Mount Bracket | Universal multi-camera rotatable base |
Standard Integrated Surveillance Kit
| Item | Parameter |
| PTZ Camera | Hikvision DS-2SE4C425MWG-E, 4MP, 25× optical zoom, 100m IR night vision, DarkFighter low-light tech |
| NVR Recorder | DS-7604NXI-K, 4-channel, H.265+ compression, Acusense human/vehicle AI classification |
| Two-Way Speaker | T-720AP, 30W, DC12V input, IP55 waterproof, 2.1kg weight |
| Local Touch Display | G0816, 8-inch 1024×768, -10℃ ~ 60℃ working temp |
| 4G Router | USR-G806, multi-VPN support, dual RJ45 ports & WIFI |
US DOT Trailer Chassis
| Item | Parameter |
| Axle Type | Single axle, US DOT certified |
| Tow Coupler | Standard 2'' ball hitch (3'' ring optional) |
| Stabilizer Legs | 4 pcs heavy-duty manual outriggers |
| Transport Auxiliary | Built-in dual forklift pockets |
| Container Loading | 3 units / 20GP; 7 units / 40HQ |
| Working Temperature | -35℃ ~ +60℃ |
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