Vanguard 48V 3,5kWh Fixed Commercial Battery Pack (Fi3.5)
SKU 80110583
Vanguardvanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
The Vanguard 48V 3,5kWh Fixed Commercial Battery Pack (Fi3.5) is a battery pack with a weight of 26,3 kg and an ingress rating of IP56.
Last updated: 24 September 2026
Battery and charging
- Communications bus
- CANJ1939 (29-bit, 500kbps)
- Rated charge cycles
- Up to 2.000 cycles to 80% initial capacity
- Nominal capacity
- 67,5 Ah
- Nominal voltage
- 51,6 V
48 V, the name Vanguard sell the pack under
“The Vanguard ™ 48V 3,5kWh* fixed commercial battery”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
- Discharge cut-off
- 35,0 V
- Maximum in parallel
- 10
- Energy as stated
- 3,5 kWh
“Nominal Capacity per IEC 61960 67,5 Ah / 3,5 kWh Communication Protocols CANJ1939 (29-bit, 500kbps)”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Charging Temperature Range 0°C to +45°C Marketed Durability Hours/Cycles Up to 2.000 cycles to 80% initial capacity”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Cutoff Voltage (V) 35,0 Nominal Capacity per IEC 61960 67,5 Ah / 3,5 kWh”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
Disputed
“Model Number 80110583 Nominal Voltage (V) 51,6”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
The same document also states
“Top Voltage (V) per IEC 61960 58,8 Cutoff Voltage (V) 35,0”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Parallel Capable Yes, up to 10 batteries”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Cutoff Voltage (V) 35,0 Nominal Capacity per IEC 61960 67,5 Ah / 3,5 kWh”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
Battery care and safety
- Ingress protection
- IP56
- Charge temperature range
- 0°C to +45°C
- Discharge temperature range
- -20°C to +60°C
Source: vanguardpower.com/hs-fs/hubfs/Vanguard/EMEA/Images/Icons/IP56-badge-200x200.png?width=200&height=200&name=IP56-badge-200x200.png
“Discharge Temperature Range -20°C to +60°C Charging Temperature Range 0°C to +45°C”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Communication Protocols CANJ1939 (29-bit, 500kbps) Discharge Temperature Range -20°C to +60°C”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
Size and fit
- Weight
- 26,3 kg
- Overall dimensions
- 482mm x 272mm x 266mm
“VANGUARD 48V 3,5kWh1 Fixed Battery Pack - Fi3.5 Model Number 80110583 Nominal Voltage (V) 51,6 Top Voltage (V) 58,8 Cut-Off Voltage (V) 35,0 Nominal Capacity / Energy (Ah / kWh) 67,5 / 3,5 Weight (kg) 26,3”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
“VANGUARD 48V 3,5kWh1 Fixed Battery Pack - Fi3.5 ... Dimensions L x W x H (mm) 482 x 272 x 266”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
Identity
- Model code
- 80110583
“Fi Series Name Fi3.5 Model Number 80110583”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
Other findings
- Charge time full
- 4 hours
- Communications bus secondary
- designed with two CANbus ports, the battery pack can easily exchange information with OEM equipment. One CANbus uses the J1939 automotive standard, while the other is designed for uncomplicated data transfer with each OEM's current communication network
- Rated discharge current
- 67 A
- Top voltage
- 58,8 V
“Standard Charge Time 4 hours”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“The 3.5kWh* Battery is a total solution that provides instant, reliable power. Designed with two CANbus ports, the battery pack can easily exchange information with OEM equipment. One CANbus uses the J1939 automotive standard, while the other is designed for uncomplicated data transfer with each OEM's current communication network with no reprogramming of that network required.”
Source: briggsandstratton.com/hubfs/Website Migration 2025/Briggs/PDFs/Vanguard Batteries Fixed Series.pdf
“Discharging Current, Nominal 67”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
“Nominal Voltage (V) 51,6 Top Voltage (V) per IEC 61960 58,8”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-3-5kwh-fixed-battery
Carts — none listed
No sourced compatibility evidence is on file for this battery yet.