Terravan Eclipse - Well Box Unit

Regular price $4,699.00 Sale price $4,699.00
Capacity Standard (4.325kWh)
Display With Display
In stock: 10

The Terravan Eclipse is a truly plug-and-play solution for powering your van or school bus conversion. It was designed with a cavity purposefully to fit modern Ford Transit, Mercedes Sprinter, Ram Promaster and many other vehicles situated above the internal wheel well.

The unit features a built-in distribution panel with all hook up points, making for an extremely seamless integration into your conversion.


Plug and Play

Multiple Components in One

We've combined several different components into one compact package, making your installation a breeze. The Terravan Eclipse includes an MPPT charger, an inverter charger, a DCDC alternator charger, a LiFePo4 battery pack, a distribution panel, and more. Just wire your loads!


24V Battery

LiFePo4 Chemistry

Built in Auto-Heater

The battery includes a built-in heater that automatically activates in cold temperatures when a charging source is available, ensuring optimal performance and longevity. Enjoy worry-free power even in the coldest conditions.

Conveniently stay charged

Multiple Charge Sources

Alternator / Starter Battery

As your drive your van, the Eclipse will take charge from your vehicles starter battery / alternator charging at up to 760W. The eclipse takes standard 12V smart or traditional alternators

Grid / Shore Charging

At a campsite, or parked on a driveway? Charge from the grid from a 120VAC source.

Solar Charging

Stay topped off with a built-in MPPT solar charger which accepts up to 1400W of Solar Panel power.


Built-in Distribution Panel

With its three power sources - 12V, 24V, and 120VAC - you can effortlessly maintain your traditional 12V circuits without the hassle of sourcing specialized 24V devices. Enjoy the convenience of utilizing your existing equipment while embracing the flexibility to tap into higher voltage options when needed



The Terravan Eclipse offers a Bluetooth connection, enabling you to easily control and monitor your system through your mobile phone. With this wireless capability, effortlessly access real-time data, adjust settings, and monitor power usage from the convenience of your phone. Take full command of your outdoor setup and enjoy a seamless and convenient experience.


Water Level Monitoring

Two Ports for Water Sensors

Effortless water management with Terravan Eclipse. Integrated monitoring system tracks fresh and grey water levels in real-time. Plan, conserve, and enjoy worry-free adventures with accurate water management.


Detailed specification

Nominal Voltage: 25.6V

Voltage Range: 20V - 28.8V

Power: 5120W

Protection: BMS + Fusing

Heated: Auto-Heating Pad Function

Cycle Life: 4000 Cycles

Capacity: 4.35kWh (Standard) / 8.7kWh (Extended)

Charger Type: MPPT

Max PV Input/Output Power: 1400W/1400W

MPPT Input Voltage Range: 30-85V

Max PV Open Voltage: 100V

Max Input Current: 40A

Max Charge Current: 60A

Type: Pure-Sine Wave

Max Rated Power: 3000W

Input Voltage AC: 120VAC

Input/Output Frequency: 50/60Hz

Output Voltage: 120VAC +/- 5%

Peak Efficiency: 95%

Max Input / Output Power: 760W/760W

Voltage Input Range: 10-17V

Max Charging Current: 30A

Algorithm: Smart Isolator

Smart Alternator Support: Yes

Length: 37 in.

Depth: 13 in.

Height: 17 in.

more Info


The Terravan Eclipse is primarily designed to fit modern Ford Transit, Mercedes Sprinter, Ram Promaster, and similar vehicles situated above the internal wheel well. It is always recommended to check the compatibility with your specific vehicle before installation.

  1. Plug-and-play solution: It simplifies the power setup process for your conversion.
  2. Built-in distribution panel: It eliminates the need for additional wiring and distribution components.
  3. Seamless integration: The unit is designed to fit snugly in the designated cavity, ensuring a clean and organized installation.

Yes, the Terravan Eclipse is designed to be user-friendly and easily installed. It is a plug-and-play solution, meaning it can be connected to your existing power system with relative ease. However, it is always recommended to follow the installation instructions provided by Terravan and, if necessary, consult a professional for assistance.

The Terravan Eclipse comes with a 3 year warranty.

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