Vanguard 48V 1,5kWh Fixed Commercial Battery Pack (Fi1.5)
SKU 80113908
Vanguardvanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
The Vanguard 48V 1,5kWh Fixed Commercial Battery Pack (Fi1.5) is a battery pack with a nominal voltage of 51,4 V, a nominal capacity of 28,4 Ah, 1,51 kWh of energy, an ingress rating of IP55 and dimensions of 256mm x 131mm x 371mm.
Last updated: 8 October 2026
Battery and charging
- Communications bus
- CANJ1939 (29-bit, 500kbps)
- Rated charge cycles
- Up to 1.000 cycles to 80% initial capacity
- Nominal capacity
- 28,4 Ah
- Nominal voltage
- 51,4 V
- Discharge cut-off
- 42,0 V
- Stated energy
- 1,51 kWh
“Nominal Capacity per IEC 61960 28,4 Ah / 1,51 kWh Communication Protocols CANJ1939 (29-bit, 500kbps)”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Charging Temperature Range 0°C to +45°C Marketed Durability Hours/Cycles Up to 1.000 cycles to 80% initial capacity”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Cutoff Voltage (V) 42,0 Nominal Capacity per IEC 61960 28,4 Ah / 1,51 kWh”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Model Number 80105739 Nominal Voltage (V) 51,4”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Top Voltage (V) per IEC 61960 58,8 Cutoff Voltage (V) 42,0”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Cutoff Voltage (V) 42,0 Nominal Capacity per IEC 61960 28,4 Ah / 1,51 kWh”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
Battery care and safety
- Ingress protection
- IP55
- Charge temperature range
- 0°C to +45°C
- Discharge temperature range
- -40°C to +60°C
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
“Discharge Temperature Range -40°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-1-5-kwh-fixed-battery
“Communication Protocols CANJ1939 (29-bit, 500kbps) Discharge Temperature Range -40°C to +60°C”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
Size and fit
- Weight
- 11,6 kg
11,8 kg
“80113908 51,4 42 28,4 / 1,5 11,8”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
- Overall dimensions
- 256mm x 131mm x 371mm
Disputed
“Weight (kg) 11,6 (as printed on the page)”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
The same document also states
“Dimensions L x W x H (mm) 256 x 131 x 371”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
Identity
- Model code
80105739
Vanguard™ 48V 1,5kWh Fixed Commercial Battery Pack (Fi1.5) · retrieved 24 September 2026
“Si Series Name Fi1.5 Model Number 80105739”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
80113908
VAN_EU_Commercial_Guide_2026_Brochure_web.pdf · retrieved 24 September 2026
“Model Number 80113908 (as printed on the page)”
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
The maker’s own documents give different figures
Other findings
- Assembly location
- The Fi1.5 is designed, engineered and assembled in the United States.
- Rated discharge current
- 29 A
- Top voltage
- 58,8 V
“provides performance similar to the Si1.5. No maintenance means more time on the jobsite and an overall lower total cost of ownership. The integrated Battery Management System (BMS) constantly monitors and measures the temperature, charge, and voltage of each individual cell bank. The Fi1.5 is designed, engineered and assembled in the United States.”
Source: briggsandstratton.com/hubfs/Website Migration 2025/Briggs/PDFs/Vanguard Batteries Fixed Series.pdf
“Battery Series Fixed Rated Discharging Current 29A”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
“Nominal Voltage (V) 51,4 Top Voltage (V) per IEC 61960 58,8”
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
Sources
- Vanguard™ 48V 1,5kWh Fixed Commercial Battery Pack (Fi1.5)Manufacturer document
Vanguard
Source: vanguardpower.com/en-gb/batteries/lithium-ion-battery-packs/fixed-battery-packs/48v-1-5-kwh-fixed-battery
Retrieved September 24, 2026
- Vanguard — VAN EU Commercial Guide 2026 Brochure webManufacturer document
Vanguard
Source: vanguardpower.com/hubfs/Vanguard/EMEA/Files/Brochures Sales Sheets/VAN_EU_Commercial_Guide_2026_Brochure_web.pdf
Retrieved September 24, 2026
- Archived document
Source: briggsandstratton.com/hubfs/Website Migration 2025/Briggs/PDFs/Vanguard Batteries Fixed Series.pdf
Retrieved September 24, 2026