FnS Power Technology SSIF2P15S48100C

Name: FnS Power Technology SSIF2P15S48100C
Brand: FnS Power Technology

4.8 kWh · 3.5 kW · Lithium Iron Phosphate

UL 1973CEC listed · Nov 21, 2022

Overview

CEC Battery List

SSIF2P15S48100C: 4.8 kWh nameplate energy; 3.5 kW continuous; lithium iron phosphate; 10 years warranty.

CEC Battery List

NLR PVWatts v8 · Cali-Graf calculation

Solar array size that refills the battery from empty in one average day, before the home uses any of it (NLR PVWatts v8, 20° south roof).

CEC Battery List · FnS Power Technology datasheet

CEC Battery List · FnS Power Technology datasheet

CEC Battery List · FnS Power Technology datasheet

CEC Battery List

UL 9540 certifies the whole storage system; UL 9540A is the fire-propagation test that fire codes ask for indoors and near walls.

CEC Battery List · FnS Power Technology datasheet

CEC Energy Storage System List

Battery	Energy	Continuous power	Chemistry	Warranty	SoCal permits
Shanghai PYTES Energy E-BOX-48100R	5.1 kWh	2.56 kW	Lithium Ion	10 years	1
APsystems (Altenergy Power System) APbattery	5.2 kWh	5 kW	Lithium Iron Phosphate	—	—
MANGO POWER TECH M Battery xkWh	5 kWh	5.12 kW	Lithium Ion	10 years	—
StackRack Battery Systems SRxK-UL	5.1 kWh	2.56 kW	Lithium Iron Phosphate	10 years	—
Storz Power SPx.xx-LFPv4	5.1 kWh	5.12 kW	Lithium Iron Phosphate	10 years	—
EG4 Electronics EG4-LL	5.1 kWh	5.12 kW	Lithium Iron Phosphate	10 years	—

Same segment, similar capacity; each row from the same sources.

How much energy does the FnS Power Technology SSIF2P15S48100C store?

4.8 kWh nameplate, per the California Energy Commission list.

Can you add more SSIF2P15S48100C units?

Yes — up to 31 units per system.

What warranty does the SSIF2P15S48100C have?

10 years (datasheet).

California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
California Energy Commission — Battery List, data as of Oct 7, 2026.
FnS Power Technology — manufacturer datasheet “FNS Power Technology Inc. 48V100Ah 5U LFP Battery Module”.
NLR (formerly NREL) — PVWatts v8, NSRDB PSM v3 typical-year weather for Los Angeles, Palmdale, Riverside, Santa Clarita, Chula Vista, Huntington Beach.
Cali-Graf calculations — formulas and inputs are shown next to each calculated value (efficiency from area, temperature-corrected voltages, string sizing, energy estimates).