# HUA-X Energy Storage Solutions

> Commercial, industrial and utility-scale battery energy storage systems backed by 40 years of battery manufacturing heritage, 150+ ODM/OEM brand programs, and market experience across 50+ countries and regions.

## Important entity note

HUA-X is the main energy storage brand. WEIDA is retained as part of the group brand and product history. The published Privacy Notice names Fujian Huaxiang Power Technology Co., Ltd. as the controller of information submitted through huax.co. Brand ownership, corporate relationships and manufacturer-by-product-line scope require their own current corporate records.

## Group proof points

- Battery manufacturing origins date to 1986.
- Page 23 of the May 2026 Chinese group introduction states 1.5 GWh of planned installation capacity for 2026. Delivery progress is not specified.
- The group states experience serving 150+ ODM/OEM brands across 50+ countries and regions.
- The group introduction reports 100+ patents, 30+ R&D professionals, 35%+ technical personnel, and annual R&D investment exceeding 40% of profits. The R&D ratio's reporting year and profit definition are not specified.

## Core pages

- [Published technical text pack](https://huax.co/llms-full.txt): product specifications and conditions, buyer guides, and published Insights with canonical URLs and sources.
- [Products](https://huax.co/products)
- [Applications](https://huax.co/applications)
- [Technical resources](https://huax.co/resources)
- [Insights](https://huax.co/blog)
- [Support and technical documents](https://huax.co/support)
- [Technical support and after-sales](https://huax.co/support/after-sales)
- [Manufacturing evidence](https://huax.co/manufacturing)
- [Quality and compliance process](https://huax.co/quality)
- [Energy storage project profiles](https://huax.co/case-studies)
- [Product selector](https://huax.co/product-selector)
- [Request a technical proposal](https://huax.co/request-a-quote)

## Published products

- [Commercial & Industrial Energy Storage System Family](https://huax.co/products/commercial-industrial-energy-storage): A family of cabinet and integrated battery energy storage formats for measured commercial and industrial project requirements.
- [100 kW / 215 kWh BESS Cabinet](https://huax.co/products/100kw-215kwh-bess-cabinet): An outdoor LFP battery energy storage cabinet with a 100 kW power rating and 215 kWh nominal energy rating.
- [PowerFac-418 418 kWh Liquid-Cooled Battery Cabinet](https://huax.co/products/418kwh-liquid-cooled-battery-cabinet): A liquid-cooled outdoor battery cabinet with 418 kWh nominal energy, 1331.2 V nominal DC voltage, and 314 Ah cell capacity.
- [20 kW / 107.52 kWh Air-Cooled Energy Storage System](https://huax.co/products/20kw-107kwh-air-cooled-ess): An outdoor air-cooled lithium battery storage system with 20 kW power and 107.52 kWh nominal energy ratings.
- [500 kW / 1075.2 kWh Containerized Energy Storage System](https://huax.co/products/500kw-1075kwh-containerized-ess): A 500 kW / 1075.2 kWh containerized system configuration with a stated two-hour duration and IP54 enclosure rating.
- [PowerHom-5R 51.2 V / 5.12 kWh Rack-Mounted Home Battery](https://huax.co/products/51-2v-100ah-rack-mounted-ess): A 51.2 V, 100 Ah rack-mounted LFP battery with 5.12 kWh nominal energy for compatible residential, solar, and small-site storage architectures.
- [PowerHom-X 15.36 kWh High-Voltage Stacked Home Battery System](https://huax.co/products/powerhom-x-high-voltage-stacked-home-battery): A three-module high-voltage stacked LFP home battery system with 15.36 kWh nominal energy, 153.6 V nominal system voltage, and IP54 enclosure rating.
- [PowerHom-5W 51.2 V / 5.12 kWh Wall-Mounted Home Battery](https://huax.co/products/powerhom-5w-wall-mounted-home-battery): A 51.2 V, 100 Ah wall-mounted LFP battery with 5.12 kWh nominal energy for compatible residential solar and backup architectures.
- [51.2 V 100 Ah Stacked Energy Storage Module](https://huax.co/products/51-2v-100ah-stacked-ess): A modular stacked home-storage format built around 51.2 V, 100 Ah, 5.12 kWh battery modules.
- [51.2 V Wall-Mounted Energy Storage Series](https://huax.co/products/51-2v-wall-mounted-ess-series): A 51.2 V wall-mounted battery series with nominal energy options of 5.12, 10.24, and 15.36 kWh.
- [PowerHom-16 6 kW / 16.076 kWh Residential Energy Storage System](https://huax.co/products/powerhom-16-residential-energy-storage-system): A single-phase residential solar-storage system with 6 kW rated output, 16.076 kWh nominal battery energy, and up to 9 kW of published PV input.
- [PowerHom-32 12 kW / 32.153 kWh Residential Energy Storage System](https://huax.co/products/powerhom-32-residential-energy-storage-system): A single-phase residential and small-site solar-storage system with 12 kW rated output, 32.153 kWh nominal battery energy, and up to 18 kW of published PV input.
- [HX 12 V VRLA AGM Battery Series](https://huax.co/products/12v-vrla-agm-battery-series): Six 12 V VRLA AGM models spanning 7 Ah to 250 Ah, with capacity-rate, mass, and conditional design float-life data.
- [PowerFac-5M 5.016 MWh Liquid-Cooled Containerized BESS](https://huax.co/products/5mwh-dc-side-containerized-bess): A 5,016 kWh liquid-cooled DC-side battery platform for utility-scale renewable, grid-support, and large microgrid projects.
- [PowerFac-261 125 kW / 261 kWh Liquid-Cooled ESS](https://huax.co/products/125kw-261kwh-liquid-cooled-ess): An all-in-one outdoor liquid-cooled system rated at 125 kW / 261 kWh for commercial, industrial, charging, and low-voltage distribution applications.
- [PowerFac-522 125/250 kW / 522 kWh Liquid-Cooled ESS](https://huax.co/products/250kw-522kwh-liquid-cooled-ess): A high-density liquid-cooled commercial and industrial energy storage system with 522 kWh nominal energy and 125 kW or 250 kW power options.

## Application guides

- [Commercial & Industrial Energy Management](https://huax.co/applications/commercial-industrial-energy-management): C&I battery storage should be sized from interval load data and a defined operating objective, not from facility area or monthly consumption alone.
- [Residential Solar Storage & Backup](https://huax.co/applications/residential-solar-and-backup): A home battery should be designed around measured loads, solar production, critical circuits, desired outage duration, and inverter compatibility.
- [Renewable Energy & Battery Integration](https://huax.co/applications/renewable-energy-integration): Battery storage can shift renewable energy only when the generation profile, load, curtailment, connection limit, and dispatch objective are modeled together.
- [Telecom & UPS Backup Power](https://huax.co/applications/telecom-and-ups-backup): Standby battery banks should be sized from the protected load, required autonomy, DC bus, discharge rate, charger, temperature, redundancy, and end-of-life criteria.
- [EV Charging, Solar & Storage Microgrids](https://huax.co/applications/ev-charging-and-microgrids): An EV charging microgrid should coordinate charging demand, grid capacity, solar production, battery dispatch, tariffs, user dwell time, and site operations.
- [Off-Grid & Rural Power Systems](https://huax.co/applications/off-grid-and-rural-power): Off-grid systems must balance seasonal loads and renewable generation, battery autonomy, generator backup, inverter limits, and an explicit energy-management strategy.

## Buyer guides

- [How to Size a Commercial & Industrial Battery Energy Storage System](https://huax.co/resources/commercial-industrial-bess-sizing-guide): A defensible C&I battery energy storage system size comes from interval load data, a ranked operating objective, power constraints and usable energy at a stated measurement point. Start with the duty the site needs, then evaluate the cabinet or container configuration against it.
- [How to Size a Home Battery from Load Data](https://huax.co/resources/home-battery-sizing-from-load-data): Size a home battery from the loads that must run, their coincident and starting power, required backup hours, usable-energy assumptions, recharge opportunity, and the inverter's supported battery configuration.
- [Air-Cooled vs Liquid-Cooled BESS: A Project Selection Guide](https://huax.co/resources/air-cooled-vs-liquid-cooled-bess): Air and liquid cooling are system-level choices. Compare heat density, temperature uniformity, ambient conditions, parasitic demand, acoustic limits, maintenance, fault response, and site layout—not capacity alone.
- [Battery Energy Storage Safety: What a Project Review Should Cover](https://huax.co/resources/battery-energy-storage-safety-review): A BESS safety review should connect cell and module behavior to electrical protection, BMS controls, thermal management, enclosure, fire strategy, emergency response, site layout, installation, and operating procedures.
- [Should You Add Battery Storage to a Solar System?](https://huax.co/resources/solar-battery-storage-decision-guide): A solar battery is worth evaluating when it supports a defined objective that can be modeled from interval loads, solar production, outage needs, export limits, tariffs, and operating constraints.
- [Rack vs Stacked vs Wall-Mounted Home Batteries](https://huax.co/resources/rack-vs-stacked-vs-wall-mounted-batteries): Rack, stacked, and wall-mounted batteries mainly differ in mechanical format, expansion method, service access, footprint, cable routing, and integration. Energy needs and inverter compatibility remain the first filters.
- [DC-Side Battery Container vs Complete AC BESS: Scope and RFQ Guide](https://huax.co/resources/dc-side-bess-vs-complete-ac-system): A battery container's MWh rating does not define a complete grid-connected AC energy storage system. Separate the DC battery boundary from PCS, transformer, switchgear, controls, civil works, installation, commissioning, and acceptance before comparing proposals.
- [Battery Energy Storage System RFQ Checklist](https://huax.co/resources/bess-project-rfq-checklist): A useful BESS RFQ states the operating objective, site data, power, usable energy, duration, electrical interface, environment, safety requirements, scope split, documents, and acceptance criteria.
- [Nominal vs Usable Battery Energy: What Buyers Should Request](https://huax.co/resources/nominal-vs-usable-battery-energy): Nominal energy is a nameplate quantity. Usable energy must be stated for a defined operating window, duty and measurement point. Energy available at battery terminals and net energy delivered at a site's AC connection are different quantities. Comparing proposals requires the same boundary and conditions.

## Published Insights

- [16 kWh or 32 kWh Home Battery? Comparing HUA-X PowerHom-16 and PowerHom-32](https://huax.co/blog/16kwh-vs-32kwh-home-battery-sizing): Compare the published energy, AC power and PV input of PowerHom-16 and PowerHom-32, then use real household records to define the right selection. A residential field study shows why the meter boundary and data quality matter.
- [215 kWh vs 261 kWh BESS: Comparing HUA-X Cabinet Options](https://huax.co/blog/215-vs-261-kwh-bess-buyer-comparison): Compare HUA-X’s 100 kW / 215 kWh cabinet with the 125 kW / 261 kWh PowerFac-261 using published specifications, then check the load records, usable-energy conditions and installation scope needed for a project-specific proposal.
- [Can a 5 MWh Battery Container Fit Your Site?](https://huax.co/blog/5mwh-battery-container-site-planning): Plan a PowerFac-5M site review using HUA-X’s published 5,016 kWh specification, container dimensions and DC-side interfaces. Identify the drawings, delivery information and project inputs needed before approving the layout.
- [Battery–Inverter Compatibility: What to Check for HUA-X PowerHom](https://huax.co/blog/battery-inverter-compatibility-beyond-voltage): Compare PowerHom battery and system specifications, then check the inverter model, BMS communication, firmware and project documents before ordering.
- [Battery Storage for EV Charging: Why Recovery Matters](https://huax.co/blog/battery-storage-ev-charging-site-data): Charging queues, late-night demand and the path from battery to port can all prevent a station from being ready for its next busy period—even when its total kWh looks sufficient.
- [What a Battery Temperature Reading Misses About Cooling](https://huax.co/blog/battery-temperature-readings-thermal-management): NREL experiments reveal how heat generation, measurement location and cooling paths shape battery temperature—and what that means for a liquid-cooled BESS.
- [BESS Backup Power: Specify Transfer and Black Start](https://huax.co/blog/bess-backup-power-transfer-black-start): Define critical loads, permitted interruptions and restart requirements before comparing BESS backup offers. Connect each requested function to equipment scope and acceptance evidence.
- [BESS Dispatch: From Forecast Errors to Operating Decisions](https://huax.co/blog/bess-dispatch-forecast-errors-real-time-control): A small solar forecast error can cause a large dispatch loss when it occurs at the billing peak. Research explains how feedback, stored energy and tariff structure determine the outcome.
- [BESS EMS Integration: Agree the Interface Before Ordering](https://huax.co/blog/bess-ems-integration-interface-procurement): An EMS interface needs more than a protocol name. Agree the point list, control authority, failure behavior and integration responsibilities before comparing BESS quotations.
- [BESS FAT and SAT: Define Acceptance Before Shipment](https://huax.co/blog/bess-factory-site-acceptance-testing): Separate factory testing, integrated site acceptance and handover for a containerized BESS, including zero-export response at the grid connection and HUA-X PowerFac-5M supply boundaries.
- [BESS Grid Connection: Electrical Data That Shapes Your Quote](https://huax.co/blog/bess-grid-connection-electrical-data-quote): Use a utility’s actual application documents to identify who can provide your site’s electrical data, which quotation decisions it affects, and how to keep unresolved inputs visible.
- [BESS Round-Trip Efficiency: Why Boundary, Load and Standby Time Matter](https://huax.co/blog/bess-round-trip-efficiency-measurement-boundary): The same battery system can return different efficiency figures under different duties. Meter location, conversion losses and time spent ready but idle explain why.
- [BESS Shipping Documents: Match Your Quote to the Test Summary](https://huax.co/blog/bess-shipping-documents-un38-3-test-summary): Check how the battery in a BESS quotation maps to its UN 38.3 test summary and planned shipment, with practical questions for different model names, combined summaries and older reports.
- [BESS Temperature Derating: Specify Power at Your Site](https://huax.co/blog/bess-temperature-derating-site-power): Compare the published temperature limits of HUA-X PowerFac-261 and PowerFac-5M, then request the output curves, site assumptions and auxiliary-load evidence your BESS quote needs.
- [BESS Battery Life: Beyond Cycle Count and Capacity Curves](https://huax.co/blog/how-to-read-bess-battery-life-curves): Cycle count, delivered energy and elapsed years describe different aspects of battery life. Two aging studies show how temperature, SOC and cell design can change the result—and why a cell curve cannot directly predict a cabinet’s service life.
- [LFP Battery SOC: Why Voltage Alone Cannot Tell the Whole Story](https://huax.co/blog/lfp-battery-soc-voltage-hysteresis): Why LFP voltage is an imperfect guide to remaining charge, how current and history improve SOC estimation, and what this means for solar storage and backup reserves.
- [LFP Standby Aging: Why Temperature and SOC Need the Full Duty Cycle](https://huax.co/blog/lfp-standby-aging-soc-temperature-recharge): LFP storage and recharge can favor different conditions. A TUM–NREL study explains why reserve duty, SOC, temperature and model validation must be assessed together.
- [Cold Batteries: Why Charging Needs Its Own Limits](https://huax.co/blog/low-temperature-bess-charging-lithium-plating): Lithium-plating experiments explain why cold batteries need separate charging limits—and why recovered charge, LFP chemistry and an operating-temperature range do not settle the question.
- [OEM Battery Specification Changes: What Buyers Need to Recheck](https://huax.co/blog/oem-battery-specification-change-control): Use HUA-X PowerHom product data and a published cell-substitution review to identify which specifications, test evidence and release records need attention after a proposed change.
- [Reading Your Electricity Bill Before Requesting a BESS Quote](https://huax.co/blog/read-electricity-bill-before-bess-quote): Use Fort Carson’s documented battery project to read demand charges, identify billing meters and separate savings estimates from reported outcomes before requesting a BESS quote.
- [Backup Reserve and Peak Shaving: A Solar-BESS Operating Brief](https://huax.co/blog/solar-bess-backup-reserve-peak-shaving): Define how a commercial solar battery should share energy between daily peak management and outage readiness, with HUA-X PowerFac-261 product data and a documented microgrid case.
- [UPS Battery Replacement: What to Check Beyond Voltage and Ah](https://huax.co/blog/ups-battery-replacement-voltage-ah-checks): Use the HUA-X HX12-100 manufacturer data to compare capacity test conditions, short-duration discharge power, charging requirements and physical fit before specifying a UPS replacement battery.

## Project profiles

- [200 MW / 400 MWh Fuping, Shaanxi, China](https://huax.co/case-studies/shaanxi-fuping-200mw-400mwh): Grid-side energy storage; status: Groundbreaking.
- [8.6 MW / 33.44 MWh Zixing, Hunan, China](https://huax.co/case-studies/hunan-zixing-8-6mw-33-44mwh): Industrial smart energy; status: Project Reference.
- [1.72 MW / 6.27 MWh Shanghai, China](https://huax.co/case-studies/shanghai-cable-1-72mw-6-27mwh): Industrial energy management; status: Project Reference.
- [500 kW / 1,044 kWh Rayong, Thailand](https://huax.co/case-studies/thailand-rayong-500kw-1044kwh): C&I energy storage; status: Project Reference.
- [1.125 MW / 4.69 MWh Anxi, Fujian, China](https://huax.co/case-studies/fujian-anxi-1-125mw-4-69mwh): Smart energy demonstration; status: Project Reference.
- [625 kW / 2,610 kWh Fujian, China](https://huax.co/case-studies/fujian-hongda-625kw-2610kwh): Industrial energy management; status: Project Reference.
- [750 kW / 1,566 kWh Fujian, China](https://huax.co/case-studies/taiying-trading-750kw-1566kwh): Outdoor energy storage; status: Project Reference.
- [1.075 MWh Jiangmen, Guangdong, China](https://huax.co/case-studies/guangdong-jiangmen-leien-1075kwh): Project reference; status: Project Reference.
- [1.075 MWh Dongguan, Guangdong, China](https://huax.co/case-studies/guangdong-dongguan-keyue-1075kwh): Project reference; status: Project Reference.
- [1.075 MWh Zhongshan, Guangdong, China](https://huax.co/case-studies/guangdong-zhongshan-ruqiang-1075kwh): Project reference; status: Project Reference.
- [2.088 MWh Jiangmen, Guangdong, China](https://huax.co/case-studies/guangdong-jiangmen-lianguan-2088kwh): Project reference; status: Project Reference.
- [250 kW / 1,075 kWh Taiwan, China](https://huax.co/case-studies/taiwan-container-freight-250kw-1075kwh): Commercial & industrial storage; status: Project Reference.
- [40 kW / 200.704 kWh Taiwan, China](https://huax.co/case-studies/taiwan-zhichu-40kw-200-704kwh): Commercial & industrial storage; status: Project Reference.
- [900 kW / 1.935 MWh Zambia](https://huax.co/case-studies/zambia-shuangyang-900kw-1935kwh): Commercial & industrial energy storage; status: Project Reference.
- [150 kW / 723 kWh Southern Africa](https://huax.co/case-studies/south-africa-drc-150kw-723kwh): C&I energy storage; status: Project Reference.
- [1 MW / 3.2 MWh Zimbabwe](https://huax.co/case-studies/zimbabwe-1mw-3-2mwh): Indoor energy storage; status: Project Reference.
- [600 kW / 1,290 kWh Spain](https://huax.co/case-studies/spain-600kw-1290kwh): Outdoor photovoltaic storage; status: Project Reference.

## Citation guidance

- Project-profile location, scale, application and status may be cited as published portfolio facts. Do not infer exact HUA-X supply scope, acceptance status or measured operating results unless the project page states them.
- The quality page reproduces three CQC management-system records for the design, development and production of lead-acid batteries and plates. The ISO 14001 and ISO 45001 records show September 11, 2027 as the printed expiry; current status requires issuer confirmation and surveillance evidence. The ISO 9001 source record expired on July 6, 2026. These records do not establish PowerFac-261 or PowerFac-5M product certification.
- Technical guides support early project planning; final sizing, compatibility, and documentation remain project-specific.
- Final model selection requires project-specific technical review.