EG4 LL-S 48V 100AH Lithium Battery 5.12kWh Server Rack Battery 10-Year Warranty
The EG4 LL-S 48V 100AH Lithium Iron Phosphate Battery offers exceptional performance and longevity, providing a lifespan of over 15 years and over 6000 cycles at 80% depth of discharge (DOD). This battery is certified electromagnetic pulse (EMP)-hardened, so it is capable of withstanding disruptions caused by natural and manmade EMPs.
E-Stop offers a single-button emergency shutdown for all batteries and inverters equipped with RSD capabilities. Additionally, dual fire arrestors provide thermal runaway protection. Up to 64 batteries can be paralleled for maximum power output while maintaining BMS communication. The battery features an on-board LCD touch screen for easy monitoring and supports closed-loop communication with various inverters.

Features & Benefits
Safety Features:
- Ensures fail-safe operation in high-risk environments
- Protects against rare hardware failure on high-voltage solar charge controllers
- Features an “Emergency Stop” function for immediate power interruption, safeguarding your equipment. This function requires either an additional RSD/ESS disconnect switch or a supported rapid shutdown inverter in the system for “E-Stop” functionality
BMS Monitoring:
- Easy-to-see battery management system (BMS) monitoring.
Additional
- Upgraded EG4-LL (Lifetime Lithium) Lithium Iron Phosphate battery 51.2V (48V) 5.12kWh with 100AH internal BMS, based on the same subset of features of the previous industry-renowned EG4-LL Battery. Fully Compatible with the Previous EG4-LL Model.
- Composed of (16) UL-listed prismatic 3.2V cells in series, which have been tested at 7,000 deep discharge cycles to 80% DoD – fully charge and discharge this battery daily for over 15 years without issue. Reliable and rigorously tested, with a 99% operating efficiency.
- Includes an LCD screen to view your batteries’ most important information quickly, but now features Selectable closed-loop inverter communications, including Schneider, Solar, Victron, Growatt, and EG4! A simple plug-and-play interface that has all the essentials built in for easy setup.
- PARALLEL UP TO 64 BATTERIES. For maximum power, our 6-DIP switch option allows you to achieve 327.7 kWh while preserving BMS communications.
EG4 LL-S 48V 100AH Specifications:
| EG4-LL Specifications | |
|---|---|
| Brand | EG4 |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Kilowatt-hour(s) | 5.12kWh |
| Weight | 99.6 lbs. (45.2 kg) |
| Dimensions | 6.1 in.×19 in.×17.4 in. |
| Design Life | +15 Years at 80% DoD |
| Communications | Schneider, SolArk, Victron, Growatt, EG4+ |
What’s Included:
- 1 x EG4-LL Battery Module
- 1 x RS485 USB Battery Comm Cable PER (6) BATTERIES (shipped separately)
- Lifetime Customer Support
- 10-Year Warranty
California Proposition 65 Warning







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