BESS Manufacturer for Home, Commercial and Grid-Scale Storage

LiFePO4 battery storage systems from compact home batteries to commercial cabinets and containerized BESS for solar, backup and peak-shaving projects.

Wall, rack, cabinet and container formats Battery, PCS, BMS and EMS scope review Model-specific files after configuration review Project quotation based on duty and destination

Compare BESS Families

Procurement Guide

How to source battery energy storage systems

BESS sourcing depends on usable energy, battery chemistry, BMS design, PCS matching, enclosure rating, safety system and transport documentation.

Capacity and chemistry

Confirm nominal capacity, usable capacity, LFP chemistry, cycle life, voltage platform and cabinet or container format.

System integration

Review BMS, EMS, PCS, inverter compatibility, solar input, communication protocol and site monitoring requirements.

Safety and shipping

Request UN38.3, IEC, MSDS and project safety notes by model scope. Fire-safety design should match the installation environment.

Commercial scope

Clarify spare parts, commissioning support, warranty, packaging, delivery term and after-sales response before comparing prices.

Product Range

Battery Storage Product Range

Displayed prices are reference ranges. Final pricing depends on configuration, quantity, destination, certificate scope and delivery term.

Best Seller

Battery Storage

5kWh LiFePO4 Home Battery Storage

5kWh Request quote

Industrial

Battery Storage

100-500kWh Industrial Container BESS

100kWh — 500kWh Request quote

Popular

Battery Storage

10kWh LiFePO4 Home Battery (2 x 5kWh Stack)

10kWh Request quote

Battery Storage

15kWh Stackable LiFePO4 Home Battery

15kWh Request quote

C&I

Battery Storage

50kWh Commercial BESS Cabinet

50kWh Request quote

HV Compatible

High-Voltage BESS 15–35kWh representative product family

Battery Storage

High-Voltage BESS 15–35kWh (HV)

15kWh / 20kWh / 30kWh / 35kWh Request quote

3-Phase

Battery Storage

Three-Phase Commercial BESS 30-100kWh

30kWh / 50kWh / 100kWh Request quote

Portable

Battery Storage

Portable LiFePO4 Battery Pack 1-3kWh

1kWh / 2kWh / 3kWh Request quote

Component

Battery Storage

Smart BMS Module 100A for LiFePO4 Battery

100A / 16S LiFePO4 Request quote

Rack Mount

Battery Storage

10kWh Rack-Mount Server Room BESS

10kWh / 48V Request quote

Grid Scale

Battery Storage

1MWh Grid-Scale Battery Container

1MWh Request quote

Compact

Battery Storage

2kWh LiFePO4 Wall-Mount Home Battery

2kWh Request quote

View all products • Check certificate scope • Request a quote

Project support

Turn a battery list into a reviewable BESS supply scope

A useful BESS proposal must connect the battery platform to the load profile, inverter or PCS, control system, installation environment, transport route and documents required by the destination market. SUNFULL organizes those inputs before recommending a product family.

Load and duty review

Separate peak power in kW from required energy in kWh, then add backup duration, charge window, solar contribution and expected operating schedule.

Electrical boundary

Confirm AC- or DC-coupled architecture, battery voltage, PCS or inverter interface, grid connection, backup loads and available switchgear information.

Control boundary

Define which functions belong to the BMS, PCS and EMS, which communication protocol is required, and who owns site-level dispatch logic.

Document route

Match datasheets, manuals, drawings, shipping files, safety information and certificate scope to the selected model instead of relying on a generic logo list.

Acceptance plan

Agree the configuration list, nameplate data, communication checks, alarms, packaging and evidence required before shipment.

Commercial comparison

Compare suppliers on the same system boundary, usable capacity assumptions, included equipment, spare parts, delivery term and support scope.

Selection matrix

Choose the BESS format from the job it must perform

Capacity alone does not identify the right system. Start with load, duration, available space, installation environment, system voltage and control responsibility.

Project task	Family to review first	Inputs that decide fit	Next route
Home solar self-consumption and backup	Wall-mounted or stackable 5–15kWh LFP battery	Essential loads, backup hours, inverter model, battery voltage, expansion plan and indoor/outdoor position.	5kWh home battery
Server room or telecom backup	Rack-mounted low-voltage battery modules	DC bus, rack space, runtime, redundancy, communication, ambient temperature and maintenance access.	10kWh rack BESS
Commercial peak management	Outdoor cabinet or integrated C&I BESS	Peak demand, tariff period, cycle plan, power-to-energy ratio, PCS/EMS scope, site load profile and fire strategy.	50kWh cabinet
Microgrid, charging hub or factory support	Cabinet or containerized BESS	PV generation, charger or production load, grid limit, generator interface, islanding scope and dispatch strategy.	Microgrid solution
Large stationary storage	Containerized 500kWh–1MWh family	Site single-line diagram, power block, grid interconnection, HVAC/fire design, foundation, transport and commissioning responsibilities.	1MWh container

Engineering context

kW, kWh and operating window must be sized together

A BESS may have enough energy but still be unable to supply the required peak power, or it may have adequate power but too little usable energy for the duty cycle. The review should define peak kW, continuous kW, required kWh, depth-of-discharge assumptions, reserve margin, charge time and expected cycles.

For solar, EV charging or weak-grid projects, add the PV profile, grid import limit, charger or load schedule and the periods when the battery must charge or discharge. These inputs determine whether the next conversation is about a battery module, an integrated cabinet or a complete containerized system.

Useful first file: a 24-hour load profile or a simple table showing peak load, daily energy, backup hours, grid limit and available charging window.

Representative cabinet and container BESS product family — Representative product-family appearance. Cabinet layout, capacity and included equipment depend on the confirmed configuration.

System architecture

Define the battery, conversion and control boundaries before quotation

Battery and BMS

Confirm cell chemistry, module arrangement, nominal and operating voltage, BMS hierarchy, current limits, balancing, alarms and communication interface.

PCS or hybrid inverter

Confirm rated power, overload need, AC phase and voltage, off-grid or backup requirement, grid interface and battery compatibility.

EMS and monitoring

Define metering points, dispatch modes, tariff logic, remote visibility, data ownership, gateway protocol and responsibility for third-party integration.

Balance of system

List switchgear, protection, HVAC, fire provisions, auxiliary power, transformer, enclosure, cabling and site equipment included or supplied locally.

Risk reduction

Safety, thermal control and lifecycle assumptions belong in the same review

A battery chemistry label is not a complete safety case. The project team should review enclosure, installation, monitoring, alarms, transport, emergency response and maintenance together.

Thermal environment

Share ambient temperature, altitude, indoor/outdoor position, ventilation, solar exposure and any heating or cooling constraints.

Protection and alarms

Confirm electrical isolation, over-current and insulation monitoring scope, emergency stop logic, alarm reporting and site shutdown responsibilities.

Fire strategy

Define the applicable site design, detection and suppression responsibilities with the local engineer and authority; request the model-specific system information needed for that review.

Lifecycle basis

Compare warranty and cycle statements only after aligning temperature, depth of discharge, power rate, energy throughput, maintenance and operating profile.

Site and delivery

Plan the installation boundary before the equipment leaves the factory

Site preparation

Provide foundation or wall/rack constraints, clearances, cable entry, drainage, access route, lifting limits, ambient conditions and the project single-line diagram.

Transport information

Request packing dimensions, weights, battery shipping documentation and handling instructions for the selected configuration and destination.

Commissioning handover

Agree who performs installation, parameter setup, communication mapping, functional checks, operator training and issue escalation.

Technical resources

Request the file set for the selected BESS and destination

Some technical, test and compliance files are shared directly with qualified buyers because applicability depends on the model, configuration and market. Ask for the exact file set needed for your review.

Datasheet and configuration list

Rated power and energy, voltage window, interfaces, enclosure, included equipment and operating limits.

Drawings and installation inputs

Outline, clearance, cable entry, interface, single-line or wiring information available for the selected scope.

Safety and shipping package

Request the applicable MSDS, transport, label and handling information after the battery configuration is fixed.

Test and certificate scope

State the destination, tender requirement and exact model so the relevant available evidence can be checked.

Review document process

Commercial workflow

Move from requirement to a controlled BESS order

1. Define the duty. Share load, energy, backup, tariff or solar objectives and destination conditions.
2. Freeze the architecture. Confirm battery, PCS/inverter, BMS/EMS, enclosure and balance-of-system boundaries.
3. Review the model files. Check drawings, interfaces, labels, document scope and any buyer-specific requirement.
4. Agree acceptance evidence. Define configuration checks, communication tests, alarms, packing and records required before dispatch.
5. Confirm commercial terms. Align quantity, branding, packaging, spare parts, delivery term and support responsibilities in the quotation.

Supplier verification

Ask for evidence that matches the exact BESS configuration

Supplier review should connect the product code, bill-of-material scope, nameplate, parameter file, communication interface, inspection items, packing list and available compliance documents. Generic company claims cannot replace that model-level traceability.

Review manufacturing workflow Review company capability Check certificate process

What procurement teams value during review

A clear boundary between included equipment and local site work.
One controlled configuration list shared across quotation, drawing and packing.
Fast answers on battery/inverter communication and EMS ownership.
Document applicability explained by model and destination, not by logo alone.

Applications

Connect the BESS to the operating problem

Solar self-consumption

Store daytime generation for evening loads after matching PV, inverter, battery voltage and household or commercial demand.

Solar and storage route

Commercial peak management

Review peak kW, tariff windows, usable kWh, cycle schedule and EMS logic before estimating the commercial case.

Commercial cabinet

Weak-grid microgrid

Coordinate PV, generator, grid limit, critical load, islanding and battery dispatch within one system boundary.

Microgrid solution

EV charging support

Use load profiles and grid constraints to evaluate buffering, peak shaving or solar charging support without assuming the battery replaces a grid upgrade.

Planning guide

Acceptance checklist

Evidence buyers can request before dispatch

The exact evidence depends on the order, but the acceptance plan can be agreed before production so both sides know what will be checked.

Configuration identity

Model, capacity, power, voltage, included equipment, labels, serial or batch reference and approved deviations.

Functional scope

Startup, shutdown, charge/discharge command, protective alarms, emergency response and selected operating modes.

Communication scope

BMS, PCS/inverter and EMS links, protocol mapping, monitored values, alarms and remote-access boundary where included.

Handover scope

Approved drawings, configuration record, packing list, available technical documents, handling guidance and support contacts.

Quick review

Check the BESS decision from four angles

Size from the duty cycle

Send peak and continuous load, daily energy, backup duration, grid limit, charge window, solar contribution and planned cycles. State whether the requested kWh is nominal or usable.

Freeze electrical and control interfaces

Provide AC voltage and phase, battery voltage preference, PCS/inverter model if selected, communication protocol, metering points, EMS responsibility and local protection design.

Request model-specific information

List the datasheet, drawing, manual, transport, safety, test and certificate evidence needed. Availability and applicability are confirmed after model and destination review.

Compare total project scope

Align usable energy, operating assumptions, included PCS/EMS/HVAC/fire provisions, freight, local installation, commissioning, maintenance, spare parts and warranty conditions before comparing price.

Buyer routes

Continue with the right system-level page

Battery storage for charging and weak-grid projects

Review how storage supports EV charging, solar integration and constrained grid connections.

Microgrid solution planning

Map PV, battery, inverter, generator, grid and critical loads before requesting a system proposal.

Solar, BESS and EV charging guide

Prepare load, generation, grid and charging inputs for a combined project review.

BESS Buyer FAQ

Can SUNFULL supply both home and commercial BESS?

The current product range includes wall-mounted and stackable home batteries, rack systems, commercial cabinets and containerized BESS families. Availability, system boundary and included equipment must be confirmed for the requested capacity, power, destination and application.

What is the difference between kW and kWh in a BESS?

kW describes how much power the system can deliver or absorb at one time, while kWh describes how much energy it can store. A useful sizing request includes peak and continuous kW, required backup or discharge time, usable kWh, charge window and expected cycles.

Should a buyer select the battery or inverter first?

Either can be the starting point, but the voltage window, charge and discharge current, communication protocol and operating mode must match. If an inverter or PCS is already selected, send its model and interface information. Otherwise ask for a matched system review.

Which battery documents should buyers request?

Request the model-specific datasheet, configuration list, applicable manual or drawing, safety and transport information, label details and any test or certificate evidence required by the destination. Availability is confirmed after the exact battery and system scope are fixed.

Can BESS support an EV charging site with limited grid capacity?

It can be evaluated for peak shaving, load buffering, solar utilization or backup, but sizing requires charger power, number and timing of sessions, daily energy, transformer or grid limit, tariff periods and the battery charging window. It should not be assumed to replace every grid upgrade.

What site information is needed for a commercial cabinet or container?

Provide the single-line diagram if available, AC voltage and phase, load profile, grid and solar inputs, site temperature, altitude, indoor or outdoor position, available footprint, cable route, access and lifting constraints, local fire requirements and commissioning responsibility.

How should buyers compare BESS warranty terms?

Compare warranty terms only after aligning usable capacity, temperature range, depth of discharge, power rate, annual cycles or energy throughput, maintenance requirements and excluded operating conditions. A headline year count alone does not show whether two offers cover the same duty.

Can technical files be obtained without publishing them online?

Yes. Send the target model or capacity, destination, intended application and document checklist. Available files can be shared directly after SUNFULL confirms that the requested evidence applies to the selected configuration and market.

Request a BESS configuration and document review

Send the application, peak kW, required kWh or backup time, AC system, grid or solar inputs, installation environment, destination, quantity and required file list. SUNFULL will respond with the product family and information needed for the next engineering review.