1 5

2.5kWh All-in-One Battery Energy Storage System

2.5kWh All-in-One Battery Energy Storage System

The 2.5kWh All-in-One Battery Energy Storage System by MasonPower offers a reliable and efficient energy solution for both home and business applications. Combining advanced lithium-ion battery technology with a robust battery management system (BMS), this system ensures optimal performance and safety across various use cases.

Key Features

  • Capacity: 2.5kWh of stored energy, perfect for backup power or solar energy storage.
  • Voltage: 51.2V DC nominal voltage, providing stable and consistent power.
  • Durability: Engineered with a high-quality lithium-ion battery pack with a rated capacity of 50Ah.
  • Safety: Equipped with a comprehensive BMS offering protection against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes.
  • Efficiency: Optimized for both on-grid and off-grid applications with an 800VA output on-grid and 1200VA off-grid.
  • Versatility: Supports a wide range of photovoltaic (PV) input voltages from 12V to 60V with dual PV input power of 600W each.
  • User-Friendly: Features an integrated WiFi module for remote monitoring and control.

Tech Specs

  • Battery Pack Model: 51.2V 50Ah, 2.56kWh
  • Charging Voltage: 57.6V or 3.6V per cell
  • Discharging Cut-off Voltage: 43.2V
  • Charging Temperature: 0℃ to 55℃
  • Discharging Temperature: -20℃ to 55℃
  • Protection Rating: IP65, ensuring resistance to dust and water
  • Dimensions: 430mm (L) x 264mm (W) x 328mm (H)
  • Weight: Approximately 29.8kg

Applications

  • Solar energy storage for residential or commercial setups
  • Backup power for critical systems during outages
  • Energy management for off-grid or hybrid power systems
View full details

Why Choose Us?

  •  Cell & Pack Design 

    We can design the cell chemistry and pack layout to meet specific size, weight, and power requirements.

  •  Connector & Wiring 

    Choose from a variety of connectors including XT60, XT90, AS150U, QS8, and custom wiring harnesses.

  •  Labeling & Branding 

    We offer private labeling services to match your brand identity.

  •  Small Batch Prototyping 

    Fast turnaround on samples for testing and validation before mass production.

  •  Strict Quality Control 

    100% testing on voltage, internal resistance, and capacity before shipment.

  •  Professional Packaging 

    Shockproof packaging ensures safe delivery.

Frequently Asked Questions

What is the minimum order quantity (MOQ) for battery packs?

Sample orders: 1-10 pcs for evaluation and testing. Bulk orders: MOQ starts from 100 pcs for standard models, negotiable for custom configurations.

What is your monthly production capacity?

Cylindrical battery packs: 1,000,000 units/month. Soft pack and solid state battery packs: 500,000 units/month.

How do you control quality?

100% cell sorting, capacity grading, and internal resistance matching
100% voltage and IR testing before assembly
100% functional testing after assembly (charge/discharge cycle, protection test)
Every pack undergoes rigorous testing before shipment
Full traceability with unique QR code per pack

Do you offer samples?

Yes. Sample orders are welcome for testing and validation. Samples can be shipped from our overseas warehouses for faster delivery.

How do I get a quote?

Please send your requirements including voltage, capacity, discharge rate, dimensions, connector type, and quantity. We will reply within 1 hours with a detailed quotation.