Three USB-C ports that work in both directions
What sets the TRAIL Plus 300 DC apart is the versatility of its ports: three 140 W USB-C ports can be used either to charge a device or to recharge the station. With its 288 Wh and an NMC-type battery, it forms a small energy hub for anyone travelling with several laptops, tablets and accessories.
Usage scenarios
A couple in a van can plug in two laptops and a phone at once. A videographer connects a camera, a monitor and a spare battery. A maintenance technician on site keeps a computer and a diagnostic tool powered. At home it is a discreet reserve for the desk during an outage, provided the devices run on USB or 12 V.
The ports at a glance
- 3 × USB-C, 140 W, input and output.
- 2 × USB-A, 12 W.
- 1 × DC output, 12 V/10 A, 120 W maximum.
Powering the station
Each of the three USB-C PD ports accepts up to 140 W as input (charger not included). The full recharge time is not specified: refer to the manufacturer’s manual. On solar, the maximum power is 110 W; check the compatibility of the panel and its connectors before connecting.
Design
The station carries a 288 Wh NMC battery. Its 20.6 × 11.5 × 12.3 cm case, longer than it is tall, fits on a vehicle shelf. It weighs 2.26 kg, a reasonable weight for a bag. The Bluetooth and Wi-Fi connection allows remote monitoring.
Getting going
Place it on a flat, dry surface. Start with a single device to check how the ports behave, then add the others. If you pair a panel, watch its orientation throughout the day and make sure no shadow interferes with production.
Model highlights
- Three bidirectional 140 W ports, uncommon in a format this compact.
- Weight of 2.26 kg, easy to carry in a backpack.
- 12 V/10 A output for small camping or on-board gear.
- Monitoring over Bluetooth and Wi-Fi.
Technical data
- Battery type: NMC
- Capacity: 288 Wh
- USB: 2 × USB-A 12 W, input/output 3 × USB-C 140 W
- DC output: 1 × 12 V/10 A (120 W max.)
- USB-C PD input: 3 × 140 W max. (charger not included)
- Solar charging: 110 W max.
- Connectivity: Bluetooth and Wi-Fi
- Dimensions: 20.6 × 11.5 × 12.3 cm
- Weight: 2.26 kg
Safety
Do not exceed the power of the ports, use only suitable cables in good condition, and keep the station dry and away from heat. Stop using the unit if it heats up unusually, and never cover it while it is working.
Storage
Clean it with a dry cloth and keep it in a temperate place. For a long shutdown, leave a partial charge and follow the manual’s instructions.







