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5kW solar inverter with battery | All in one Home Battery Backup
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3kW All in One Home Backup Battery

Reliable 3kW Movable Home Solar Energy Storage System OEM & ODM

The 3kW Movable Home Solar Energy Storage System is a compact, movable all-in-one solar battery system designed for home backup power, off-grid applications, and hybrid (grid-connected) self-consumption. It combines a high-efficiency pure sine wave inverter with a long-life LiFePO4 battery in a single integrated unit—ideal for installers and OEM partners seeking a clean, fast-deployment solution.

 

With utility + PV charging, rapid installation, and rugged emergency-ready design, JC-YT-3K is a cost-effective all-in-one battery and inverter platform for global markets.

Battery Manage System
Overcurrent Protection
Over-discharge Protection
Low power Protection
High-Low Temp Protection
Overload Protection
Short circuit Protection
Disconnection Protection
Get an up-to-date quote with additional free information to download!

Key Highlights

  • Movable all-in-one battery storage: compact footprint, easy placement
  • LiFePO4 battery (BYD cell platform): long cycle life 6000+
  • Off-Grid / Grid-Connected operation: flexible power modes
  • Pure sine wave output: clean power for sensitive electronics
  • UPS support (10ms typical): fast transfer for critical loads
  • PV + Utility hybrid charging: supports simultaneous energy inputs
  • OEM/ODM customization available: branding, interface, packaging, documentation
  • High efficiency >92%: optimized system performance
long cycle life all in one battery

Off-Grid & Hybrid Solar Operation

Want to go off-grid? It’s simple:
LOADING...
GRID STABLE
LOAD CONTROL
Supports simultaneous charging and discharging, maximizing solar self-consumption and energy independence.

Battery Management System (BMS) Protection

Designed for stable operation and long service life, the advanced BMS includes:
BMS
  • Overcurrent Protection
  • Over-discharge Protection
  • Low Power Protection
  • High / Low Temperature Protection
  • Overload Protection
  • Short-Circuit Protection
  • Automatic Disconnection Protection
This safety architecture is important for off-grid use, frequent cycling, and real-world installer scenarios.

Core Advantages

Quick Installation

Integrated “battery + inverter + MPPT” design reduces wiring complexity and technician time.

Smart Battery Management System

Built-in BMS with stable protection logic for real household usage and frequent cycling.

High Cycle Life

Premium LiFePO4 cell platform supports 6,000+ cycles class for long service life.

Advanced Structure

Optimized internal layout improves energy density and reliability in a compact cabinet.

Deep Customization (OEM/ODM)

Factory-direct customization with complimentary design support for global partners.

99.99% Device Compatibility

Designed to integrate smoothly with common home energy and solar ecosystems.

Mobility + Emergency-Ready Design

Mobility + Emergency-Ready Design

easy to move indoors/outdoors

Built for power outages

stable backup power without complicated rewiring

Applications

Home All in One Battery System

Home Backup Power (Essential Loads)

Power key circuits during outages—lights, Wi-Fi router, refrigerator (typical duty-cycle), TV, fans, and home office devices. The pure sine wave output keeps sensitive electronics stable.

Off-Grid & Remote Power

Pair with PV panels for clean off-grid power. With MPPT 120–480Vdc and PV input up to 800–5600W, the system supports flexible array design within its limits.

Hybrid Self-Consumption (Grid + Solar)

Charge from solar in the daytime, use stored energy at night, and top up from the grid when needed—improving solar utilization and reducing peak-hour grid reliance.

Parameters

Battery ModelBYD LiFePO4 Battery
Lifespan6000+
Waterproof GradeIP21
Battery Capacity5222.8Wh
Nominal Working Voltage51.2V
Nominal Input CurrentREDR5OA
Max.Operating Current80A
Over-Voltage Protection58.4V (Recovery Voltage 54V)
Over-Discharge Protection45V (Overdrain Recovery 48V)
Charging Over-Temperature Protection Temperature65℃
Charging Over-Temperature Recovery Temperature55℃
Discharge Over-Temperature Protection Temperature70℃
Discharge Over-Temperature Recovery Temperature60℃
EqualizationPassive Equilibrium
Short Circuit ProtectionYes (Charge Removal / Load Removal)
Max. Output Power (W)3600
Peak Output Power (W)7000
Output Voltage WaveformPure Sine Wave
AC Backfill ProtectionYes
Rated Output Voltage(Vac) (Customized)110Vac/120Vac/220Vac-250Vac±5%
Ouput Frequency Range (Customizable)47±0.3Hz~55±0.3Hz(50Hz); 57±0.3Hz~65±0.3Hz(60Hz);
Max.Efficiency＞92%
Charge ModeSupports utility charging, photovoltaic charging
Input Voltage Range (Customized)(170Vac~280Vac)±2%(UPsmode)(90Vac-280Vac)±2%(APL mode)(90Vac-140Vac)±2%
Input Frequency Ranges50Hz/60Hz(Auto-detection)
Max.Charging Current (Settable)60A
Short Circuit ProtectionYes
Max.PV Open CircuitVoltage500Vdc
PV Operating VoltageRange450Vdc
MPPT Voltage Ranges120-450Vdc
Max.PV Input Power1000-2500W
Max.PV Input Current22A
Charging Short Circuit ProtectionBlown Fuses
Wiring ProtectionReverse Connection Protection
Maximum Hybrid Charge Current (PV+AC) (Settable)0-140A
Amount of Power Shipped50-80%
CommunicateRS485、CAN
UPSSupports 10ms (Typical)
Operating Temperature-15~55℃
Humidity Range0~80%RH
Weight60Kg±1Kg(132.3lbs ± 1lbs)
Dimensions(L×W×H)880mm×550mm×315mm
Certificates

Certificate

Pre-integrated UN38.3, MSDS, UL, CE, FCC, IEC, RoHS and other certifications to shorten market access cycles.
MSDS
UN38.3
UL
UL
Identification and Classification Report for Air Transport of Goods
Report for Safe Transport of Goods
Material Safety Data Sheet
UN38.3

About us

Founded in 2016 · Headquartered in China

A decade of energy storage manufacturing excellence.

Who We Are

Residential Solar Energy Storage Battery Solution Manufacturer

TURSAN is a high-tech enterprise integrating R&D, manufacturing, and global sales of lithium battery–based energy storage systems. Founded in 2016, we operate a 20,000+m² production facility producing reliable LiFePO4 power solutions for residential, commercial, and outdoor applications.

 

Through a strategic partnership with BYD, we co-manufacture larger-capacity, safer, and more environmentally friendly portable power stations and home battery backups. Today we serve global brand owners, distributors, EPC contractors, and project developers in over 60 countries — saving OEM clients up to 20% in annual sourcing cost while meeting the toughest international safety standards.

Home Battery Backup
Portable Power Station
Industrial BESS
Mobile EV Charging
LiFePO4 Battery
Off-Grid & Hybrid Inverter

OEM&ODM Process

Phase 1

Confirm Requirements and Finalise the Solution

We collect all customer specifications: voltage, capacity, dimensions, communication protocol, etc. Then we decide if it is a pure OEM job (build exactly to your drawings) or an ODM job (we provide the design). We issue a clear BOM (bill of materials) and 2D/3D drawings for both parties to sign off, avoiding any later misunderstandings.

Phase 1
Phase 2
Phase 2

Procurement and Incoming Inspection

We purchase all materials according to the BOM: cells, enclosure, brackets, screws, wiring, BMS boards, etc. When goods arrive, we do sampling or 100% inspection. For cells, we measure voltage, internal resistance and check appearance. For structural parts, we check dimensions and hole sizes. Any non‑conforming items are rejected and never go into our warehouse.

Phase 3

Cell Sorting and Matching

We group cells from the same batch by voltage and internal resistance values. We then match cells with the closest parameters into one set (for example, if a string uses 4 cells, the voltage and resistance differences among those 4 must stay within our set limits). This directly affects how long the battery pack will last without performance decay.

Phase 3
Phase 4
Phase 4

Laser Welding and Module Assembly

We fix cells into holders, then laser‑weld the tabs (connectors). We do pull‑force tests on sample weld spots to check strength. After that, we fasten the welded sub‑modules into the enclosure or tray, using torque‑controlled tools to apply the correct tightening force.

Phase 5

BMS Installation and Wiring Connection

We mount the main BMS and slave boards in their designated positions, then plug in all voltage sampling wires and temperature sensors. We always have a two‑person verification of the wiring sequence – this prevents reverse connections that could burn the boards when we power up.

Phase 5
Phase 6
Phase 6

First High‑Voltage Safety Test

We apply high voltage between the positive/negative terminals and the enclosure to measure insulation resistance and withstand voltage. We check for any leakage or breakdown. If this test fails, the module goes back for rework immediately – it does not move forward.

Phase 7

High‑Temperature Standing and Self‑Discharge (K‑Value) Check

We place the modules in a 45 °C room for 24–48 hours. We measure voltage before and after the standing period, then calculate the daily voltage drop (K‑value). Units with excessive drop are rejected because they indicate internal micro‑shorts that could cause early failure later.

Phase 7
Phase 8
Phase 8

Charge/Discharge Aging and Capacity Calibration

We connect the modules to charge/discharge equipment and run several full cycles at the current specified by the customer. During the process, we record actual discharge capacity, charge/discharge efficiency, and the temperature/voltage differences among individual cells. If all data stay within our acceptance limits, we calibrate the final rated capacity. If not, we isolate and analyse the failed units.

Phase 9

Final Inspection, Labelling and Packaging

We re‑measure total voltage, internal resistance and insulation performance. We check appearance for scratches, gaps, or damaged screws. We attach a permanent nameplate (with serial number), UN38.3 hazardous‑goods label, and all required operation warning labels. Then we package the battery with foam or cardboard for shock protection, as per customer requirements, and record the final weight.

Phase 9
Phase 10
Phase 10

Shipment and Document Handover

We verify the shipping quantity, address and consignee. We prepare all accompanying documents: factory test report, MSDS, UN38.3 test summary, and transport condition certificate. We arrange pickup with our logistics partner, and after dispatch we send the tracking number and estimated arrival time to the customer.

Quality Control

Frequently Asked Questions (FAQ)

A 3kWh battery can last anywhere from under an hour to many hours depending on your load. If your average load is 300W, it can run roughly 8–9 hours; at 1,000W it may run around 2–3 hours. Real results vary with inverter efficiency and surge loads.

Battery size depends on how many hours of backup you want and what loads you run at night. A common approach is to estimate your evening consumption in kWh and size battery capacity to cover that amount plus a safety margin. If you want overnight backup for essentials, a 5kWh-class battery is often a practical starting point.

A 3kW system can typically run essential household loads such as lights, fans, TV, Wi-Fi, laptops, and a refrigerator (depending on duty cycle). High-power devices like electric ovens, large water heaters, and multiple air conditioners are usually not ideal without higher PV and storage capacity. The key is managing simultaneous loads.

It depends on appliance wattage and whether they start with surge. You might run multiple small loads (lights, TV, router, laptop) plus a refrigerator at the same time. But if you add high loads like kettles, microwaves, or heaters together, you may exceed 3kW quickly.

Small inverter-type AC units can run if surge and continuous power are within limits, but runtime will be determined by battery capacity and solar availability. For stable AC operation, you need adequate inverter surge capability and enough PV to support the load during the day.

In most cases, two AC units running together can exceed 3kW, especially during startup or hot conditions. Some high-efficiency inverter AC units may run at lower power once stabilized, but it’s still risky without load management. A higher power system is recommended for multiple AC use.

Panel count depends on panel wattage. For example, with 400W panels, 3kW is about 8 panels (3,000 ÷ 400 ≈ 7.5). With 550W panels, it’s about 6 panels. Roof space and local code constraints may affect design.

This is the same calculation: divide 3,000W by the panel rating. Then add design margin based on temperature losses and inverter limits. Installers often optimize string design to fit MPPT voltage ranges.

If your battery rarely reaches full charge, add more panels. If your battery fills early in the day but you buy power at night, add more battery capacity. The best setup balances both based on your daily load curve.

Similar to a 3kW inverter, you can run essential loads like lights, fridge, TV, router, and some small kitchen appliances—but you need to manage surge loads. Running multiple high-watt appliances simultaneously can overload the generator.

Most essentials: lighting circuits, Wi-Fi, computers, TVs, fans, and many refrigerators/freezers (depending on startup surge). Avoid stacking multiple heating appliances (kettle + microwave + space heater) at the same time. A load priority plan helps avoid overload.

It’s a longevity guideline suggesting routine operation between roughly 40% and 80% state of charge to reduce aging. LiFePO4 is durable, but avoiding long periods at 100%—especially in heat—can still help extend life. Many users only charge to 100% when preparing for outages.

This is similar to 40/80 but more conservative: staying roughly between 20% and 80% SOC can reduce stress and improve longevity. Exact best practices depend on your backup needs and whether the system is used mainly for cycling or standby.

High temperature, deep discharges, high continuous current, poor charging settings, and long storage at 100% SOC can accelerate aging. Loose connections and undersized cables also create heat and inefficiency. Proper ventilation and correct settings are key.

Common causes include heavy loads, high inverter standby consumption, poor PV charging in bad weather, or running appliances with high duty cycles (like refrigerators in hot environments). Battery aging accelerates in heat and with frequent deep discharges. Monitoring usage patterns usually reveals the main driver.

Most serious incidents relate to incorrect installation, short circuits, damaged cells, wrong chargers, missing fuses/breakers, or severe overheating. A quality BMS and correct protection devices reduce risk significantly. Always follow proper wiring and safety standards.

Electricity cost is based on kWh, but higher voltage reduces current for the same power, which can reduce wiring losses and make high-power loads easier to support. Many large appliances operate more efficiently or practically at higher voltage because the current is lower. Final cost still depends on the appliance and usage time.

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2026 TURSAN Product Catalog

1 file(s) 12.81 MB
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3kW All in One Home Battery Backup User Manual

1 file(s) 5.26 MB
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Partner with TURSAN, Ignite a New Chapter in Your Country's Energy Storage Business

As a professional manufacturer of solar lithium battery energy storage systems, TURSAN is dedicated to providing the global market with high-quality home energy storage batteries, inverters, portable power stations, and all-in-one storage solutions. We now sincerely invite you to become our exclusive partner in your country or region, to jointly develop the clean energy storage market and create steadily growing business value.

Market Protection

Exclusive Regional Authorization

After signing the agreement, we will cease wholesale distribution to other clients in your region, fully safeguarding your market interests.

Fast Fulfillment

Priority Order Processing & Shipping

Ensure you can respond to local demand immediately and capture time‑sensitive market opportunities.

Brand Ownership

Product Customization Support

From your first order, we can design and produce energy storage systems completely tailored to your brand.

Full Coverage

Comprehensive Product Range Suppor

From home storage and portable power to inverters and all-in-one units with built-in inverters — meeting diverse application needs.

Global Trust

Proven Success in 30+ Countries

We have already helped partners worldwide achieve measurable brand growth and increased profitability.

Partner Flexibility

Your Most Reliable Backend

Whether you are a systems integrator, electrical distributor, or building your own brand, you get stable products and flexible cooperation mechanisms.

📩 Contact us now to receive a customized partnership proposal and product information.
Let’s join hands to bring reliable power solutions to homes and businesses, and co-create a green energy future together!

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