Arkpax Ark Pro Extra Battery 2300Wh

⚠️ This expansion battery does not function as a standalone unit. It requires the Arkpax Ark Pro portable power station to operate.

The Arkpax Ark Pro Extra Battery adds 2300Wh of IP67-rated LiFePO4 capacity to your Ark Pro system. Unlike expansion batteries from most brands, this one carries the same IP67 waterproof and dustproof rating as the main unit — meaning your expanded system is just as rugged as the base station.

Each Extra Battery expands your total from 2300Wh to 4600Wh. Stack up to ten packs to reach 25.3kWh. Connects via built-in cable and recharges through the Ark Pro main unit at up to 2300W.

Best for: Extending Ark Pro runtime on multi-day job sites • Marine and offshore applications • Emergency response requiring 2+ days of power • Off-grid cabins with high daily consumption

WHY RPC? Genuine Arkpax product sourced directly from the manufacturer — see our sourcing documentation here. Free U.S. shipping. Price match guaranteed. Backed by Arkpax's 2-year manufacturer warranty, and serviced directly by them.

Product Authenticity This is a genuine Arkpax product, supplied to Reserve Power Co. directly by Arkpax under our wholesale supply relationship. Sold new and sealed in original manufacturer packaging with full manufacturer documentation and serial numbering. Verify our sourcing here.

Specifications

• Capacity: 2300Wh per pack
• Battery: LiFePO4 — 3,000+ cycles
• Waterproof Rating: IP67
• Max Total Capacity: 25.3kWh (Ark Pro + 10x Extra Batteries)
• Compatibility: Arkpax Ark Pro ONLY
• Charging: Via Ark Pro main unit at up to 2300W
• Connection: Built-in cable
• Dimensions: 16.5" W × 10.8" D × 9.1" H
• Weight: 46.7 lbs (21.2 kg)
• Warranty: 2 years

Specifications shown are the manufacturer's published figures for this model. Product photography is supplied by the manufacturer and used with permission as a dealer. Testing observations and comparisons, where included, are Reserve Power Co.'s own.