Withstands abuse, debris & dirt with an aluminum diecast enclosure.
Similar to the 3.8kWh diecast pack, but with greater energy density. Designed to deliver a 2,000 cycle lifespan with virtually no scheduled maintenance.
The Confidence You Deserve
The Battery Management System (BMS) constantly measures voltage and temperature to ensure safe and efficient operations.
OEMs can easily exchange information with the battery pack using its two CANbus ports. One CANbus uses the J1939 automotive standard, while the other is designed for uncomplicated data transfer with the OEM's current communication network: No reprogramming of that network is required.
Diagnostic protocols use standard CANbus procedures.
Robust three year commercial limited warranty. CLICK HERE for details.
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Fi Series Name
Nominal Voltage (V)
Top Voltage (V) per IEC 61960
Top Voltage (V) for EV-Applications
Cutoff Voltage (V)
Nominal Capacity per IEC 61960
135.9 Ah / 7.0 kWh
J1939 (29-bit), CAN Open (11-bit)
Discharge Temperature Range
-20°C to +70°C
Storage Temperature Range (1 Month / 1 Year)
-20° to +60°C / -20°C to +25°C
Charging Temperature Range
-10°C to +45°C
Marketed Durability Hours/Cycles
2000 cycles to 80% initial capacity
Rated Charging Current (A)
Rate Discharging Current (A)
Yes, up to 10 batteries
Standard Charge Time
Vanguard Charger Output Power (W)
On-Board or Stand Alone
*Total energy measured using a 0.2C discharge per IEC 61960-3:2017