Capacity 2,300 Wh
IP67 Dustproof & Waterproof UltraSeal
Expandable Up to 25.3 kWh with 10 Batteries
Recharge Time 2 Hrs 1500W from Ark Pro
Weight 46.7 lbs
Cycle Life 3,000 cycles to 80+% capacity
Arkpax Ark Pro – IP67 Rated Waterproof Expansion Battery (2300Wh)
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Product Description
Expand Your Power. Multiply Your Runtime.
Built to work seamlessly with the Ark Pro, the Arkpax Expansion Battery adds 2,300Wh of rugged, waterproof capacity—and can be stacked up to 10 times for a massive 25.3kWh total system. Whether you're powering off-grid tools, riding out a blackout, or running equipment in wet environments, this IP67-rated add-on brings the same durability and design as the Ark Pro. More runtime. Same tough build. No compromise.
Scales Up to 25.3kWh
Need more power? Add up to 10 Expansion Batteries for a total of 25.3kWh—ideal for extended off-grid setups, demanding job sites, or resilient home backup systems.
Power That Keeps Going, Anywhere
The Expansion Battery adds serious runtime to the Ark Pro while maintaining the same IP67 waterproof protection. From marine settings to home emergencies, it’s built to handle wherever you go—and whatever you power.
Which Arkpax Solution Is Right for You?
Compare all Arkpax waterproof power solutions side by side to find the perfect fit for your needs—whether you're looking for lightweight performance, long-term durability, or maximum off-grid capacity.
Video Courtesy of Arkpax
Specifications
Specification Table
| Model Name | BP2000 |
| Battery Chemistry | LFP (LiFePO4 battery) |
| Capacity | 2300Wh |
| Cycle Life | 3000 cycles to 80%+ capacity |
| DC Expansion Port | 2xDC expansion port input 57.6V Max., 45A Max. 2300W Max. output 40~57.6V, 85A Max. 4600W Max. |
| Charge Temperature | 0~45 ℃(32~113°F) |
| Discharge Temperature | -10~45 ℃(14~113°F) |
| Applicable Model | Ark Pro 2400W |
| Recharging Time | 2 hrs (1500W from Ark Pro) |
| Dimensions | 9.1x16.5x10.8 in/ 23.1 x 42 x 27.5 cm |
| Net Weight | 46.7lbs/ 21.2kg |