CPS (Chint Power Systems) CPS ECB125KTL-M/US-480

Name: CPS (Chint Power Systems) CPS ECB125KTL-M/US-480
Brand: CPS (Chint Power Systems)

Battery inverter, ac-coupled battery inverter. 2 models, 62.5 kW–125 kW AC at 480 V.

UL 1741 SBCEC listed · Nov 12, 2020

Model

Rated AC power125 kW
CEC weighted efficiency97.5%

Models & power ratings

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library · 2 models

Model	Nominal AC	Grid voltage	CEC continuous	Rated AC (SAM)	CEC weighted eff.	DC test window	CEC listed	UL 1741 SB
CPS ECB62.5KTL-M/US-480	62.5 kW	480 V	62.5 kW	62.5 kW	97.5%	750–1,100 V	Nov 12, 2020	SB
CPS ECB125KTL-M/US-480	125 kW	480 V	125 kW	125 kW	97.5%	750–1,100 V	Nov 12, 2020	SB

Efficiency

CEC Grid Support Inverter List (Oct 7, 2026) · NLR SAM inverter library

CEC weighted efficiency97.5%
Night-time standby (tare)5.8 W
Power to start converting268.7 W

CEC weighted efficiency is measured by an accredited lab at six power levels and three DC voltages — the number to compare between inverters.

Grid & smart-inverter certification

CEC Grid Support Inverter List (Oct 7, 2026)

UL 1741 SB (3rd ed.)Yes — CSA Group, certificate Apr 16, 2025
UL 1741 SA (SA8–SA13)Yes — CSA Group
Firmware tested (SA)1.06.00
Volt-VAr with reactive power priority (SA13)Yes
Freq-Watt / Volt-Watt (SA14–15)Yes
Disable permit service / limit active power (SA17–18)Yes
CSIP (IEEE 2030.5) conformanceVia gateway during testing (Y*)
Monitor key data & scheduling (Rule 21 Phase 3)Yes (attested Nov 12, 2020)
Power control system (PCS)Stated in CEC listing (power control system)
CEC listedNov 12, 2020
Last CEC updateJun 23, 2025

UL 1741 SB is required for new interconnections in California (Rule 21) since 2026.

Compare with similar 125 kW inverters

CEC Grid Support Inverter List (Oct 7, 2026) · building permits

Inverter	Power	CEC weighted eff.	DC test window	UL 1741 SB	Latest CEC	SoCal permits
CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480	62.5 kW–125 kW	97.5%	750–1,100 V	Yes	2020	0
Kehua BCSxxK-B-HM-US X2	75 kW–175 kW	98.5%	720–1,450 V	Yes	2024	—
Growatt WIT xxK-A-US	50 kW–100 kW	99.0%	750–900 V	Yes	2024	—
Growatt WIT xxK-AU-US	50 kW–100 kW	99.0%	750–900 V	Yes	2024	—

Same type and grid voltage, power range covering this model; same fields from the same sources.

About CPS (Chint Power Systems)

CEC Grid Support Inverter List (Oct 7, 2026)

ManufacturerCPS (Chint Power Systems)
Listed in CEC asChint Power Systems America
Websitechintpower.com
Models on CEC lists175

Other series

CPS ECBxxxKTL/US-800

Questions & answers

How efficient is the CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480?

The California Energy Commission lists a weighted efficiency of 97.5% for CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480 models, measured at six power levels and three DC voltages.

What sizes does the CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480 come in?

The CEC list includes 2 models from 62.5 kW to 125 kW AC: CPS ECB62.5KTL-M/US-480, CPS ECB125KTL-M/US-480.

Is the CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480 certified to UL 1741 SB?

Yes — the CEC Grid Support Inverter List shows UL 1741 SB for all models.

Can the CPS (Chint Power Systems) CPS ECBxx.xKTL-M/US-480 be used with a battery?

The CEC lists it as a ac-coupled battery inverter.

What is the CPS ECB125KTL-M/US-480’s DC input voltage range?

CEC tested it at 750–1,100 V DC.

Sources

California Energy Commission — Grid Support Inverter List (solar and battery inverters), data as of Oct 7, 2026. Manufacturer-reported, confirmed by CEC against certificates and test reports.
NLR (formerly NREL) — System Advisor Model CEC inverter library (version 2026.7.3).
Building permits — Southern California permit portals. Equipment matched from permit descriptions.