Sunvault 3.89kWh Rechargeable Battery, 12V 304Ah, 200A Smart Battery

Manufactured in Romania, this rechargeable battery is an ideal solution for efficient, reliable energy storage across a wide range of applications. Designed to support the “Casa Verde” programme, the Sunvault 3.89 kWh combines advanced LiFePO₄ technology with smart battery management to deliver superior performance and extended service life.

Technical specifications:

• Model: Sunvault 3.89 kWh, 12 V 304 Ah, 200 A Smart Battery
• Nominal voltage: 12.8 V
• Nominal capacity: 304 Ah
• Total energy: 3.89 kWh
• Cell configuration: 4S 1P
• Cycle life: 8,000+ cycles, providing over 10 years of service
• Dimensions: 395 mm x 230 mm x 310 mm—sized for compact installations
• Weight: 32 kg for easier handling and installation

Performance and operation:

• Operating voltage range: 10.4 V – 14.4 V for flexibility and broad device compatibility
• Charge voltage: 14.4 V, optimised for efficient charging
• Discharge cut‑off voltage: 10.4 V to protect against over‑discharge
• Operating temperature: −5°C to +50°C for use in varied climates
• Storage temperature: 25°C recommended for optimal performance retention

Advanced Battery Management System (BMS):

• BMS model: B2A8S20P JKBMS 200 A with 2 A active balancing
• Continuous discharge current: 200 A for steady power
• Peak discharge current: 350 A for 2 minutes to handle surges
• Charge current: 200 A for fast, efficient recharging
• Balancing method: 2 A active balancing to equalise cells and extend lifespan
• Communication interface: Bluetooth for remote monitoring and control via mobile apps
• Multiple protection functions:
  • Overcharge protection
  • Over‑discharge protection
  • Overcurrent protection
  • Short‑circuit protection
  • Temperature protection with 2 temperature sensors for safe operation
• Monitoring and reporting: 4.3‑inch display showing voltage, current, temperature, and state of charge in real time

Benefits:

• Made in Romania: Supports the local economy and meets high national and EU quality and compliance standards.
• Extended lifespan: Over 8,000 charge/discharge cycles—more than a decade of efficient operation.
• High energy efficiency: LiFePO₄ chemistry offers superior efficiency and high energy density.
• Safety and reliability: Advanced BMS with comprehensive protections and real‑time monitoring for safe use.
• “Casa Verde” compatible: Ideal for customers seeking funding through the “Casa Verde” programme to accelerate the shift to renewables.

Manufacturer and certifications:

• Cell manufacturer: EVE, a global leader in high‑quality LiFePO₄ cells
• BMS manufacturer: Jikong, recognised for advanced battery management systems
• Assembled in Romania: Locally assembled and tested for high quality and dedicated technical support
• Warranty: 10 years, reflecting confidence in durability and performance
• Certifications:
  • CE certificate for BMS No.: ZHT-230316005C, confirming EU compliance
  • Cell certification: SiCt: XK2303013084C, attesting to cell safety and quality

Applications and use:

Ideal for:

• Off‑grid solar systems: Storing solar energy for use when needed
• RVs and boats: Reliable power for recreational vehicles and marine applications
• Emergency power systems: Dependable backup during outages
• Small commercial and industrial equipment: Stable energy supply for critical loads

How we help you benefit from the “Casa Verde” programme:

Our team provides end‑to‑end support for applying and securing funding under “Casa Verde”. We assist with product selection, installation, and maintenance to maximise your investment.

Attention! The listed price includes 19% VAT and applies only to legal entities (business customers); installation not included.

Choose the Sunvault 3.89 kWh, 12 V 304 Ah, 200 A Smart Battery—made in Romania—for a reliable, efficient, and durable energy source. Invest in your energy future and help protect the environment while taking advantage of the “Casa Verde” programme.