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Server-rack LFP battery

EG4 LL-S 48V 100Ah: specs and datasheet

  • UL 1973

A 100 Ah, 51.2 V server-rack battery at 99.6 lbs: 100 A maximum and 50 A recommended charge and discharge current, up to 64 units in parallel, and a 10-year warranty badge on the sheet. The sheet prints no kWh figure; 100 Ah × 51.2 V works out to 5.12 kWh (our arithmetic).

Battery
51.2 V
Capacity
100 Ah
Discharge
50 A
Weight
99.6 lbs (45.2 kg)

Datasheet checked Sep 30, 2026

About the LL-S 48V 100Ah

A 100 Ah, 51.2 V server-rack battery at 99.6 lbs: 100 A maximum and 50 A recommended charge and discharge current, up to 64 units in parallel, and a 10-year warranty badge on the sheet. The sheet prints no kWh figure; 100 Ah × 51.2 V works out to 5.12 kWh (our arithmetic).

In one line A home battery stores solar energy for evenings, outages and off-grid living.

Key features · as listed by the maker

  • EMP-hardened, per the maker
  • Dual fire arrestors for thermal-runaway protection
  • Up to 64 batteries in parallel with BMS communication
  • On-board LCD touch screen

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Specifications

Voltage
51.2 V
Capacity
100 Ah
Max units in parallel
64
Weight
99.6 lbs (45.2 kg)
Charging current
100 A max. continuous, 50 A recommended
Discharging current
100 A max. continuous, 50 A recommended
Cycle life
more than 7,000 deep charge and discharge cycles
Warranty (as listed)
10-year warranty (badge on the sheet)
Dimensions (H×W×D)
6.1×17.4×19.3 in (15.5×44.2×49 cm)

Each value is the datasheet line as printed (hover or long-press a value to see that line). A missing row means the datasheet does not list it. Specs change with new revisions: check the current datasheet (linked above) before you buy.

Documents and links

Not affiliated with Signature Solar LLC or EG4 Electronics. Trademarks belong to their owners.