Model U2400B-US | LiFePO₄ Battery | 2300 Wh Capacity

The Arkpax Ark PRO Extra Battery is the expansion module designed for the Ark PRO 2400 W Power Station.
Built with the same IP67 waterproof housing and LiFePO₄ battery chemistry, it allows users to double or even stack multiple units to extend runtime for large-scale or off-grid power needs.
With plug-and-play connectivity, expansion is seamless—no complex wiring or configuration required.

Key Features

• Expansion battery for the Arkpax Ark PRO 2400 W Power Station.

• Adds 2300 Wh of LiFePO₄ capacity per unit (up to 10 additional batteries supported).

• IP67 waterproof, dustproof, and shock-resistant construction.

• Plug-and-play connection—no setup or firmware pairing required.

• Advanced BMS synchronization with main unit for balanced charging and discharge.

• Durable LiFePO₄ chemistry rated for 3000+ cycles to 80% capacity.

• Stackable, compact design for easy transport and modular installation.

Technical Specifications

Model Name: Ark PRO Extra Battery (U2400B-US)
Compatible With: Arkpax Ark PRO 2400 W Power Station
Battery Chemistry: LiFePO₄ (LFP)
Capacity: 2300 Wh per module
Cycle Life: 3000+ cycles to ≥ 80% capacity
Connection Type: Plug-and-play expansion port
Max Expansion: Up to 10 modules (total 25 kWh)
Charging Method: Automatically managed through Ark PRO main unit
IP Rating: IP67 waterproof / dustproof
Operating Temperature: −10 °C to +45 °C (14 °F to 113 °F)
Storage Temperature: −20 °C to +45 °C (−4 °F to 113 °F)
Dimensions: 16.5 × 13.5 × 15.9 in (42 × 34 × 40 cm)
Net Weight: ≈ 44 lb (20 kg)
Warranty: 2 Years Manufacturer Warranty

In the Box

• 1 × Ark PRO Extra Battery (U2400B-US)

• 1 × Expansion Link Cable

• 1 × User Manual

Ideal For

Off-Grid Power Systems | RV & Overlanding | Emergency Backup | Long-Duration Worksites

Downloads

User manual