EG4 Electronics SR-48-100-LP4-IN-03
The EG4 Electronics SR-48-100-LP4-IN-03 is a battery pack with a nominal voltage of 48, Lithium Iron Phosphate cells, a weight of 45.2 kg (99.6 lbs) and an ingress rating of IP20.
Last updated: 16 October 2026
What this device draws
- How accurately it reads current
- 3%
- How accurately it reads voltage
- 0.5%
“CURRENT ACCURACY 3%”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“VOLTAGE ACCURACY 0.5%”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Battery and charging
- Energy (kilowatt-hours)
- 5.12kWh
- Communications bus
- RS485/CAN
- What it draws on standby
- <300uA
- Low-voltage cutoff
- 44.8V
- Voltage
- 48
- Capacity
- 100Ah
- Chemistry
- Lithium Iron Phosphate
- Charging current
- 100A (Max. continuous)
- Maximum continuous discharge
- 5.12kW
- Continuous discharge current
- 100A (Max. continuous)
“NAMEPLATE ENERGY CAPACITY 5.12kWh”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“COMMUNICATION PORTS RS485/CAN”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“POWER CONSUMPTION (SLEEP & OFF MODE) <300uA”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“LOW DC CUTOFF/SOC CUTOFF 44.8V”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“MODEL #: SR-48-100-LP4-IN-03”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“CAPACITY 100Ah”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“EG4 Lithium Iron Phosphate battery”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“CHARGING CURRENT 100A (Max. continuous)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“MAXIMUM CONTINUOUS DISCHARGE RATE 5.12kW”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“DISCHARGING CURRENT 100A (Max. continuous)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Battery care and safety
- Ingress protection
- IP20
- Temperatures it may be charged in
- 32°F – 122°F (0°C – 50°C)
- Temperatures it may be run in
- -4°F – 131°F (-20°C – 55°C)
- Temperatures it may be stored in
- 32°F – 113°F (0°C – 45°C)
- Highest altitude it is rated for
- <16404 ft. (<5000 m)
- Short-circuit current
- >300A
“INGRESS PROTECTION IP20”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“CHARGING RANGE 32°F – 122°F (0°C – 50°C)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“DISCHARGING RANGE -4°F – 131°F (-20°C – 55°C)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“STORAGE RANGE 32°F – 113°F (0°C – 45°C)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“OPERATING ALTITUDE <16404 ft. (<5000 m)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“SHORT-CIRCUIT >300A”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Size and fit
- Weight
- 45.2 kg
- Weight
- 99.6 lbs.
- Overall dimensions
- 6.1 in. × 19 in. × 17.4 in. (155 mm × 442 mm × 470 mm)
“WEIGHT 99.6 lbs. (45.2 kg)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“WEIGHT 99.6 lbs. (45.2 kg)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
“DIMENSION (H×W×D) 6.1 in. × 19 in. × 17.4 in. (155 mm × 442 mm × 470 mm)”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Identity
- Model designation
- SR-48-100-LP4-IN-03
“©2025 EG4 ELECTRONICS, LLC. ALL RIGHTS RESERVED. VERSION 1.0, INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE. MODEL #: SR-48-100-LP4-IN-03 *For information regarding warranty registration on EG4 Electronics products, please navigate to https://eg4electronics.com/warranty/ and se”
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Sources
- Archived document
Source: eg4electronics.com/wp-content/uploads/2025/12/EG4-LifePower4-48V-V2-Auto-ID-BMS-Protocol-SR-48-100-LP4-IN-03-Spec-Sheet.pdf?ref=cPwLcVc0SW-BjN&
Retrieved October 9, 2026