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5kW All in One Home Backup Battery (Movable) — OEM & ODM
All-in-One Solar Inverter with Battery (LiFePO4)
The JC-YT-5K is a compact, movable all-in-one home battery backup that combines a high-efficiency pure sine wave inverter, MPPT solar charging, and a long-life LiFePO4 battery in one integrated cabinet. Built for fast deployment, it supports both off-grid operation and grid-connected backup, making it a strong fit for installers, distributors, and OEM/ODM partners.
Designed as an “easy-to-install, easy-to-sell” all in one solar battery system, JC-YT-5K delivers reliable output for home essential loads, small homes, cabins, and emergency power—while keeping wiring clean and installation time low.
Get an up-to-date quote with additional free information to download!
Key Highlights
- 5kW-class all-in-one inverter + battery in a single movable cabinet
- BYD LiFePO4 battery platform with 6000+ cycle life class
- Max output 5600W, Peak 10000W (motor surge support)
- PV + Utility charging with adjustable charge current
- UPS function (10ms typical) for fast transfer to backup power
- MPPT 120–450Vdc, PV input power 2500–4000W
- >92% max efficiency for improved real-world performance
- OEM/ODM customization: branding, voltage/frequency, packaging, documentation
Off-Grid & Hybrid Solar Operation
Battery Management System (BMS) Protection
- Overcurrent Protection
- Over-discharge Protection
- Low Power Protection
- High / Low Temperature Protection
- Overload Protection
- Short-Circuit Protection
- Automatic Disconnection Protection
Core Advantages
Quick Installation
All-in-one architecture reduces wiring complexity and significantly shortens technician installation time.
Smart Battery Management System
Built-in BMS ensures stable operation under varying load and temperature conditions.
High Cycle Life
Premium LiFePO4 cell platform supports 6,000+ cycles class for long service life.
Advanced Structure
Optimized internal design improves density, reliability, and serviceability.
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
Built-in Battery Manage System includes:
Supports loads like lighting, router, TV, laptop/home office, fans, and refrigerator (depending on duty cycle and surge). Ideal for homeowners who want quick backup without complex installation.
Hybrid Solar Self-Consumption (Grid + PV)
Charge from PV in the daytime and use stored energy at night to reduce peak-hour grid use. Utility charging is also supported for backup readiness.
Off-Grid Cabins & Remote Power
Works with PV arrays inside MPPT limits, delivering stable pure sine wave AC power with a compact footprint.
Parameters
| Battery Model | BYD LiFePO4 Battery |
| Lifespan | 6000+ |
| Waterproof Grade | IP21 |
| Battery Capacity | 5222.8Wh |
| Nominal Working Voltage | 51.2V |
| Nominal Input Current | REDR5OA |
| Max.Operating Current | 100A |
| Over-Voltage Protection | 58.4V (Recovery Voltage 54V) |
| Over-Discharge Protection | 45V (Overdrain Recovery 48V) |
| Charging Over-Temperature Protection Temperature | 65℃ |
| Charging Over-Temperature Recovery Temperature | 55℃ |
| Discharge Over-Temperature Protection Temperature | 70℃ |
| Discharge Over-Temperature Recovery Temperature | 60℃ |
| Equalization | Passive Equilibrium |
| Short Circuit Protection | Yes (Charge Removal / Load Removal) |
| Max. Output Power (W) | 5600 |
| Peak Output Power (W) | 10000 |
| Output Voltage Waveform | Pure Sine Wave |
| AC Backfill Protection | Yes |
| 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 Mode | Supports utility charging, photovoltaic charging |
| Input Voltage Range (Customized) | (170Vac~280Vac)±2%(UPsmode)(90Vac-280Vac)±2%(APL mode)(90Vac-140Vac)±2% |
| Input Frequency Ranges | 50Hz/60Hz(Auto-detection) |
| Max.Charging Current (Settable) | 60A |
| Short Circuit Protection | Yes |
| Max.PV Open CircuitVoltage | 500Vdc |
| PV Operating VoltageRange | 450Vdc |
| MPPT Voltage Ranges | 120-450Vdc |
| Max.PV Input Power | 2500-4000W |
| Max.PV Input Current | 22A |
| Charging Short Circuit Protection | Blown Fuses |
| Wiring Protection | Reverse Connection Protection |
| Maximum Hybrid Charge Current (PV+AC) (Settable) | 0-140A |
| Amount of Power Shipped | 50-80% |
| Communicate | RS485、CAN |
| UPS | Supports 10ms (Typical) |
| Operating Temperature | -15~55℃ |
| Humidity Range | 0~80%RH |
| Weight | 61Kg±1Kg(134.5lbs ± 1lbs) |
| Dimensions(L×W×H) | 880mm×550mm×315mm |
| Certificates |  |
Certificate
Wholesale Process
Quality Control
Frequently Asked Questions (FAQ)
Q1: How many hours will a 5kW battery last?
It depends on battery capacity (kWh) and your average load (kW). Your battery is ~5.22kWh, so at a 500W average load it may last around 8–10 hours, while at a 2kW average load it may last around 2–3 hours. Inverter efficiency, temperature, and surge loads will affect real runtime.
Q2: Is a 5kW battery enough to run a house?
For essential circuits, it often can be—especially if you manage high loads. Whether it can run an entire house depends on how many large appliances you run at once (AC, kettle, microwave, water heater). Many homes use a 5kW-class system for essentials and add capacity for longer runtime.
Q3: What is a 5kW battery?
“5kW” usually refers to the system’s power output capability, not the stored energy. Stored energy is measured in kWh (your unit is ~5.22kWh). Power tells you what you can run at once; energy tells you how long you can run it.
Q4: How many batteries does it take to run a 5000W inverter?
It depends on battery voltage and capacity. A 48–51.2V system is typically preferred because it reduces current and improves efficiency. You size the battery bank by required runtime (kWh) and by whether the battery can safely deliver the continuous current.
Q5: What size battery do I need for a 5 kW solar system?
Start with your nighttime/backup kWh needs. If you want to run 1kW average for 6 hours, you need about 6kWh usable energy (plus losses). Many users choose a 5–10kWh range depending on desired backup duration and whether they run AC.
Q6: How many solar panels for a 5kW battery?
To charge ~5kWh in one good solar day, many setups use roughly 1–2kW of PV depending on sun hours and losses. If you want faster charging and daytime load coverage, 2–4kW of PV can be more practical. Exact sizing should consider your location’s peak sun hours.
Q7: How long to charge a 5kW battery at home?
Charging time depends on charge power. A simple estimate is time ≈ battery kWh ÷ charge kW. If you charge at ~1.5kW, a 5.2kWh battery might take about 4 hours, with some tapering near full charge.
Q8: What appliances can run on a 5kW solar system?
A 5kW system can often run most essentials: lights, TV, router, computers, refrigerator, fans, and some kitchen appliances—if not all at once. High-heat appliances (electric water heater, oven, space heater) can quickly consume available power. Load management is key.
Q9: How many AC can run in 5kW load?
Usually one efficient inverter AC may be possible alongside light loads, but it depends on AC size, startup surge, and indoor conditions. Running multiple AC units often requires higher power capacity or strict load scheduling. Peak output helps with startup, but continuous operation needs enough headroom.
Q10: Can air conditioning run on solar power?
Yes, commonly through PV + inverter + battery. Solar can support daytime operation, while the battery handles fluctuations and startup surge. For long runtime, PV size and battery kWh matter more than the inverter nameplate alone.
Q11: Can you overcharge a battery with a solar panel?
A properly designed system with MPPT and BMS will prevent overcharging by controlling current and voltage. Overcharging risk is mainly from incorrect controllers, wrong settings, or bypassing protections. Always use matched equipment and correct charge profiles for LiFePO4.
Q12: Does an inverter stop charging when the battery is full?
In most systems, yes—charging current is reduced or stopped when the battery reaches charge limits. The controller will also taper current near full charge. This is normal behavior and protects battery health.
Q13: What happens if my solar panels produce more electricity than I use?
If the battery is not full, excess PV typically charges the battery. If the battery is full, the system may curtail PV output or export to the grid (if grid-connected and allowed). Behavior depends on your operating mode and local rules.
Q14: Do home batteries qualify for tax credits?
This depends on your country and local policy, and it changes over time. Some regions provide incentives for batteries installed with solar or used for backup resilience. It’s best to confirm with local tax authority guidance or a qualified professional.
Q15: What disqualifies you from a solar tax credit?
Eligibility depends on local regulations and documentation. Common issues can include non-qualifying equipment, missing invoices, incorrect filing, or systems not meeting program requirements. Always keep purchase and installation records and consult local guidance.
Q16: What runs up the electric bill the most?
Common top drivers include air conditioning/heating, water heating, ovens/stoves, clothes dryers, and older refrigerators/freezers. Long runtime at high power matters more than short bursts. Monitoring your biggest loads is the fastest way to reduce costs.
Q17: What pulls the most electricity in a house?
HVAC systems, electric water heaters, and resistance heating devices often lead consumption. Cooking appliances and dryers can also be high users. The “biggest” varies by climate and lifestyle.
Q18: Which appliance is a real energy drainer?
Space heaters, electric water heaters, older AC units, and dryers are frequent culprits. Refrigerators are moderate but run continuously. The biggest drain is usually the one that runs the longest at high wattage.
Q19: Is frequent charging bad for the battery?
For LiFePO4, frequent partial charging is generally fine. Battery aging is more influenced by heat, very high state of charge storage, and deep discharges than by normal top-ups. Good charge settings and ventilation help long-term life.
Q20: Does charging to 80% help battery life?
Often yes. Keeping lithium batteries away from long periods at 100%—especially in warm environments—can reduce long-term degradation. Many users set daily charge limits and only charge to 100% when preparing for outages.
Q21: Is 50% battery life good?
A 50% state of charge is generally a comfortable mid-range for lithium batteries and often favorable for storage. For backup readiness, you may keep a higher reserve. For longevity, avoiding extremes is typically beneficial.
Q22: What is the 20 to 80 battery rule?
It’s a common longevity guideline suggesting you operate mostly between 20% and 80% state of charge to reduce battery stress. Exact best practice depends on whether your priority is maximum backup readiness or maximum lifespan.
Q23: What is the 40 80 rule for batteries?
Similar concept: daily cycling in the mid-range (around 40–80%) can reduce wear. LiFePO4 is robust, but heat and constant 100% storage can still accelerate aging. Many systems allow SOC targets to balance lifespan and backup needs.
Q24: Does keeping a battery at 100% damage it?
Storing at 100% for long periods—especially in warm conditions—can increase aging over time. Many users keep daily targets lower and only go to full charge when expecting outages. Good thermal management is important.
Q25: How often should I charge my battery to 100%?
If you use the battery mainly for daily cycling, many users reserve full charges for outage readiness. Some systems recommend occasional full charges for calibration depending on BMS design. A practical approach is to keep a high reserve when outages are common, and a lower daily limit when they are not.
Q26: How to make lithium batteries last longer?
Avoid high heat, avoid repeated deep discharges, limit long storage at 100% SOC, use correct charge settings, and ensure tight/clean wiring connections. Ventilation and correct installation practices make a big difference. Monitoring usage patterns also helps optimize settings.
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