With a colossal 8,038Wh of usable energy, the Drift PRO 12V 628Ah Gen2 is purpose-built for the most demanding off-grid applications – from expedition-grade campervans and motorhomes to marine systems and full-scale solar installs.
At its core are Grade A EVE MB31 prismatic cells, paired with a rugged 300A Smart BMS and an integrated heating system, delivering consistent, year-round performance even in sub-zero conditions.
Encased in a durable, serviceable metal housing, the Drift PRO 628Ah Gen2 is engineered to thrive in harsh environments. With plug-and-play Victron Cerbo GX compatibility and real-time Bluetooth monitoring via the Fogstar Drift App, you’re in full control – with critical battery data at your fingertips, whenever you need it.
What’s New in the Gen2?
Integrated Active Balancing: Now built-in – no external balancer required.
Battery-Linking via RJ45: Dedicated Battery-Link ports allow multiple Drift PRO units to communicate over CAN bus with a single Victron Cerbo GX (or GX-enabled inverter).
Improved Internal Layout: Optimised for thermal management, cable routing, and long-term serviceability.
Key Features:
8,038Wh Capacity: Extended runtime for demanding off-grid applications – perfect for high-draw systems and longer stays off-grid.
Grade A Cells: Built with trusted Grade A MB31 LiFePO4 cells for long cycle life and consistent performance.
300A Smart BMS: Advanced protection against over-voltage, under-voltage, over-current, short circuit, and low-temperature charging.
Victron Plug-and-Play Integration: Connect the CAN port on the master battery to the BMS-CAN port on your Victron Cerbo GX (or GX-enabled inverter) using the supplied cable.
Multi-Battery Support: Additional Drift PRO batteries connect via the Battery-Link port, enabling full multi-battery CAN communication with Victron.
10-Year Warranty & UK Support: Long-term peace of mind with responsive, in-house customer service you can actually talk to.
Cost per Ah: Excellent value at just £1.75 per Amp hour, delivering premium performance at an unbeatable price.
Fogstar App Monitoring: Real-time Bluetooth monitoring of SOC, cell voltages, temperatures, and cycle data.
Low Temperature Charging Protection: Automatic internal heating system enables safe charging below 0°C.
On/Off Switch: Enables hibernation mode for storage and transport.
Serviceable Metal Case: Durable, serviceable design with M10 terminals.
Energy-Dense Design: Weighs 60.23kg – impressive for 8kWh of capacity, and far lighter than equivalent lead acid setups.
UK Engineered: Designed and developed by Fogstar’s in-house team for real-world off-grid conditions.
Quick Specifications:
Nominal Capacity: 628Ah
Nominal Voltage: 12V
Recommended Charge Voltage: 14.4V
Max Continuous Discharge: 300A
Cycle Life: 8,000 cycles at 80% depth of discharge (DOD)
Charging Efficiency: Up to 98%
Dimensions: 280 x 698 x 205 mm
Weight: 60.23kg
Terminals: M10
Operating Temp: -20°C – 55°C
