The Fogstar Drift 12V 668Ah Lithium Leisure Battery (Gen2) introduces higher-capacity prismatic cells to the Drift Gen2 platform, delivering significantly increased energy storage in a single battery. Built using Grade A LF334 EVE LiFePO4 cells, this model is designed to provide substantial usable capacity while maintaining precise control, strong power delivery and advanced battery management.

Every major component has been engineered to support higher capacity systems, with improved accuracy, stable high-current performance and long-term durability in demanding off-grid environments.

Designed for campervans, motorhomes, boats, off-grid cabins and solar energy storage, the Drift Gen2 range delivers dependable lithium power with advanced monitoring, intelligent protection and robust construction.

Fogstar are one of the only manufacturers to offer series Victron support. All batteries are shipped with parallel support as standard, but if you would like series communication support, please send us a message upon order.

Key Features

• 300A Smart BMS for High-Demand Systems:
  The integrated 300A Battery Management System is built to handle high current loads, making it ideal for powerful inverter setups and energy-intensive applications.
• 0.2A Shunt Accuracy:
  Highly accurate current tracking allows for more precise state-of-charge readings and improved system visibility.
• 2A Active Cell Balancer:
  Maintains cell balance efficiently, supporting long-term performance and improved cycle consistency.
• Grade A EVE LF334 Cells:
  High-capacity prismatic cells delivering strong energy density, stability and safety.
• Victron Integration:
  Seamless communication with Victron systems for streamlined setup and improved data accuracy.
• IP67 Rated Construction:
  Fully sealed against water and dust for use in marine and harsh environments.
• Bluetooth Monitoring:
  Track voltage, current, temperature and SOC via the Fogstar Drift App.
• Integrated Fire Suppression for Enhanced Safety:
  An internal fire suppression module adds an extra layer of protection, helping safeguard the battery in extreme fault conditions.
• Integrated Heating Function:
  Automatically warms cells during charging in low temperatures to protect battery health.
• Battery Linking Capability:
  Supports both series and parallel configurations for scalable system design.
• Designed & Supported in the UK:
  Backed by Fogstar’s engineering team and a 10-year warranty.

Technical Specifications

• Energy: 8550Wh
• Capacity: 668Ah
• Voltage: 12.8V LiFePO4
• Cell Configuration: 4S2P
• Cycle Life: 4000 cycles (80% DOD)
• Standard Charge Voltage: 14.4V
• Max Charge Voltage: 14.6V
• Max Continuous Discharge: 300A
• Discharge Cut-Off Voltage: 10V
• Cell Type: EVE Grade A LF334
• BMS: 300A Smart BMS with 0.2A shunt accuracy and active balancing
• Monitoring: Bluetooth via Fogstar Drift App
• Heating: Integrated heating (0°C to 10°C)
• IP Rating: IP67
• Dimensions: 635 x 244 x 220mm
• Weight: 56kg
• Housing: ABS Plastic

System Configuration Options

• Connect up to 4 batteries in series for 48V systems
• Connect up to 16 batteries in parallel to increase total capacity