Tewaycell 8kWh All-in-One ESS Solar Storage LiFePO4 Battery Built-in 4.5kW Hybrid Off-grid Inverter,Smart BMS for Home PV Backup System
Free Shipping, Free customs duties and Free tax, you don't need to pay any other fees! DDP Shipping method!
Using grade A+ cells, up to 10000 cycles.
Smart BMS with Bluetooth WIFI module, allowing timely access to battery details through mobile app.
With built-in aerosol fire protection.
Tewaycell 8kWh All‑in‑One Solar ESS integrates 4.5kW hybrid off‑grid inverter and Grade A+8kWh LiFePO4 battery, a plug‑and‑play energy storage solution for EU home PV backup and power outage emergency supply. Besides this 8kWh model, you can also browse our all‑in‑one home battery storage.
Features
8kWh All‑in‑One Solar ESS Design
This compact home energy storage unit integrates a 4.5kW hybrid off‑grid inverter, built‑in MPPT solar charger and Grade A+8kWh LiFePO4 battery all‑in‑one. No need to source and match separate inverter and battery kits, greatly simplifying installation for residential PV projects.
High‑quality LiFePO4 Battery with Long Service Life
Adopts premium Grade A+ lithium iron phosphate cells, supporting more than 10000 charge‑discharge cycles. Stable performance for daily solar self‑consumption and long‑term home PV backup against power outages.
Safety Protection System
Equipped with advanced smart BMS featuring active cell balancing. Built‑in aerosol fire extinguishing together with multi‑layer protection against over‑charge, over‑discharge, short‑circuit and over‑temperature for safer household energy storage.
Intelligent Monitoring & Remote Control
Convenient to manage your all‑in‑one solar storage system anytime at home with Bluetooth & WiFi.
Intelligent Multi‑Source Charging Modes
The 8kWh all-in-one ess supports PV solar charging, mains grid charging, or simultaneous charging from both sources.
Worry‑free DDP Shipping Service
Door‑to‑door DDP delivery covers freight, import customs and duties. European customers receive the 8kWh all‑in‑one ESS without extra hidden tax or customs fees.
| AO-MB25314-4.5KW-EU | |
| BATTERY TECHNICAL SPECIFICATION | |
| Battery Model | MB25314-200A-HWB |
| Number of Batteries | 1 |
| Battery Energy | 8,038.4Wh |
| Battery Capacity | 314Ah |
| Dimension L×D×H | 450×300×700mm |
| Battery Type | LiFePO4 |
| Battery Rated Voltage | 25.6V |
| Battery Working Voltage Range | 22.4V～28.8V |
| Maximum Charging Current | 200A |
| Maximum Discharging Current | 200A |
| DOD Designed Life-span | >10000 Cycles @0.2C/25℃ |
| INVERTER TECHNICAL SPECIFICATION | |
| Inverter Model | HFP43224 |
| PV CHARGE | |
| Max PV Input Power | 5000W |
| MPPT Tracking Voltage Range | 40VDC–450VDC |
| Rated Voltage | 240VDC |
| Max PV Input Voltage Voc (at lowest temperature) | 500VDC |
| Max PV Input Current | 18A |
| MPPT Tracking Channels (Input Routed) | 1 |
| On-Grid Operation (No export power function) | |
| Rated Output Power | 4500W |
| Rated Output Voltage | 220VAC / 230VAC / 240VAC |
| Grid Voltage Range | 187VAC–264VAC |
| Rated Output Frequency | 50Hz / 60Hz |
| Frequency Range | 47Hz–52Hz (50Hz) / 57Hz–62Hz (60Hz) |
| Rated Output Current | 19.5A / 18.7A / 17.9A |
| Power Factor | >0.98 (Rated Power) |
| Off-Grid Operation | |
| Rated Input Voltage | 220V / 230V / 240V |
| Mains Input Voltage Range | 165VAC–280VAC / 120VAC–280VAC (Configurable) |
| Rated Input Frequency | 50Hz / 60Hz |
| Input Frequency Range | 45Hz–55Hz (50Hz) / 55Hz–65Hz (60Hz) |
| Rated Output Power | 4500W |
| Rated Output Voltage | 220V / 230V / 240V |
| Output Voltage Accuracy | ±2% |
| Rated Input Frequency | 50Hz / 60Hz |
| Output Frequency Accuracy | ±1% |
| Output Wave | Pure Sine Wave |
| Hybrid Operation (Complementary Mode) | |
| Rated Input Voltage | 220V / 230V / 240V |
| Mains Input Voltage Range | 187VAC–264VAC |
| Rated Input Frequency | 50Hz / 60Hz |
| Input Frequency Range | 47Hz–52Hz (50Hz) / 57Hz–62Hz (60Hz) |
| Rated Output Power | 4500W |
| Rated Output Voltage | 220V / 230V / 240V |
| Output Current | 19.5A / 18.7A / 17.9A |
| GENERAL DATA | |
| Communication | RS485 / CAN / WiFi |
| Storage Time / Temperature | 6 months @25℃ / 3 months @35℃ / 1 month @45℃ |
| Charging Temperature Range | 0～45℃ |
| Discharging Temperature Range | -10～45℃ |
| Operation Humidity | 5%～85% |
| Nominal Operation Altitude | <2000m |
| Cooling Mode | Force-Air Cooling |
| Noise | 60dB(A) |
| Ingress Protection Rating | IP20 |
| Recommended Operation Environment | Indoor |
Technical Documentation & User Manual
8kWh All in One ESS User Manual.pdf
Frequently Asked Questions
Q：What is the output standard of this 8kWh all‑in‑one energy storage unit?
A：It adopts EU 230V Output, fully complying with European household electricity standards, ready for direct use for home appliances without extra transformers.
Q：How long is the cycle life of the built‑in LiFePO4 battery?
A：The internal lithium iron phosphate battery supports 10000+ Cycles, long service life, lower replacement cost for home solar energy storage.
Q：Can multiple units expand capacity or output power via parallel connection?
A：Battery capacity can be expanded via parallel connection of the same model. Inverter parallel to boost AC output power is NOT supported. If you pursue higher continuous power output, please look through our 48V series.
Q：Can the system charge from grid power when there is no solar irradiation?
A：Yes. This All‑in‑One Solar ESS supports both PV solar charging and AC grid charging. You can charge it by Mains during bad weather days.
Q：What is included inside the package?
A：Package includes the complete Tewaycell 8kWh All‑in‑One Solar ESS, Photovoltaic connectors, Three hole AC plug. PV cables and AC cables are not included, you need to prepare them locally.
Shipping Fee
For the orders shipped from China, free shipping for EU，US, UK, and ect，Except for island addresses
For the orders shipped from EU, free shipping to addresses in mainland EU:
If you are a Swiss customer, you can fill in an EU address to place an order.
VAT & Customs Duties
Tax-free, Free customs duties, Free any other miscellaneous fees. You don't need to pay any additional fees.
No VAT/Tax is collected, and you do not need to pay any additional taxes.
Tewaycell Oversea Warehouse
Rapid delivery-overseas warehouse in US, Canada, Germany and Poland.
Delivery Countries
Asia Pacific
Japan, Malaysia, Singapore, Thailand, Australia
Europe
Austria, Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom
* If your consignee's address is Ukraine, the shipping time may exceed 60 days due to the war. If you place an order in our store, then you accept this shipping time. Thank you for your support and understanding.
Regarding the shipping of orders from Swiss customers:
If you are a Swiss customer, you can fill in an EU address to place an order.
Regarding the shipping of orders from Romania customers:
Due to Romanian government regulations, goods may be subject to secondary customs clearance when transported to Romania. If secondary customs clearance occurs, the customer is responsible for the secondary customs clearance and the cost of the secondary customs clearance.
Our delivery time information at a glance:
Total Delivery Time = Handling Time + Transit Time (+ any holidays and weekends)
Ship to USA/North America
|
Warehouse |
Shipping Option |
Handling Time |
Estimated Delivery Time |
|---|---|---|---|
|
US/CA |
Fedex/DHL/UPS(Tax Free) |
1~3 working days |
3~7 working days |
|
CN |
By Sea+Express (Fedex/DHL/UPS, Tax Free) |
3~7 working days |
30~45 working days |
Ship to EU
|
Warehouse |
Shipping Option |
Handling Time |
Estimated Delivery Time |
|---|---|---|---|
|
DE/POL |
DHL/GLS/DPD/UPS/TNT(Tax Free) |
1~3 working days |
3~7 working days |
|
CN |
By Railway/Sea+Express (DHL/GLS/DPD/UPS/TNT, Tax Free) |
3~7 working days |
45~60 working days |
Ship to Asia Pacific/Middle East
|
Warehouse |
Shipping Option |
Handling Time |
Estimated Delivery Time |
|---|---|---|---|
|
CN |
By Sea/Railway+Express (DPD/Toll/UPS/Fedex/TNT, Tax Free) |
3~7 working days |
45~60 working days |
1, We ship to our shipping agency after quality test, check and well packed. 5-7 work days.
2, Shipping agency collect enough goods for a container, then ship to EU by sea. 7-15 working days. At the same time, they send the order information to DPD express to get the tracking number.
3, After about one month's sea voyage to the EU port.
4, The shipping agent handles the customs clearance formalities, sorts the packages, and then sends them to the corresponding DPD express warehouse. 5-10 working days
5, DPD express start the delivery to customers, from now on, the logistics will be updates by DPD express. 3-7 days delivery.
In the 2-4 stages, the traking updates always write "DPD data centre, Order information has been transmitted to DPD."
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SGS
ISO9001
KC
IEC
UN38.3 Test
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