Dyness Digital Energy Technology Tx-US

Name: Dyness Digital Energy Technology Tx-US
Brand: Dyness Digital Energy Technology

7.1–21.3 kWh · 7.1–21.3 kW · Lithium Iron Phosphate · 5 configurations

UL 1973CEC listed · Jul 1, 2024

Overview

CEC Battery List

Tx-US: 7.1–21.3 kWh nameplate energy; 7.1–21.3 kW continuous; lithium iron phosphate.

CEC Battery List · 5 listings

Model	Energy	Power	Grid voltage	Round trip	CEC listed
T7-US	7.1 kWh	—	—	—	Jul 1, 2024
T10-US	10.7 kWh	—	—	—	Jul 1, 2024
T14-US	14.2 kWh	—	—	—	Jul 1, 2024
T17-US	17.8 kWh	—	—	—	Jul 1, 2024
T21-US	21.3 kWh	—	—	—	Jul 1, 2024

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

CEC Energy Storage System List

Battery	Energy	Continuous power	Chemistry	Warranty	SoCal permits
LG Energy Solution RESU 10H Prime	9.6–16 kWh	5 kW	Lithium Ion	—	127
Qcells Q.SAVE	9–18 kWh	5.5–11.1 kW	Lithium Iron	10 years	30
Tigo Energy TSB	9 kWh	3.5–5.2 kW	Lithium Iron Phosphate	11 years	2
FOXESS ECS4000-H5	25 kWh	14.4 kW	Lithium Iron Phosphate	—	1
RNG International Renogy X	20 kWh	10 kW	Lithium Iron Phosphate	10 years	1
GoodWe SECU-S Series	11.5–18.4 kWh	2.9–23 kW	Lithium Iron Phosphate	—	—

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

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.
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).