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Growatt SPF 6000ES + battery AXE 5 kWh – ready-made set off-grid
Choose a set off-grid Growatt SPF 6000ES + AXE 5 kWh is a ready-made, selected island system from the offer PVGroup.pl: single phase inverter off-grid Growatt SPF 6000ES with a power of 6 kW connected to a low-voltage energy storage Growatt AXE 5.0L (5 kWh, LiFePO4). The components are voltage-matched (48V battery) and designed to work together, so the installer doesn't need to select them separately. This is a solution for locations without access to the power grid or where the grid can be unstable.
This datasheet provides a comprehensive overview of the kit: what's included, how the island system works, who it's intended for, full specifications for both components from the manufacturer's datasheets, and capacity selection. All parameters are taken from the official documentation. Growatt — no guessing.
Expert opinion
Opinion of the technical team PVGroup.pl
"We recommend this kit as a proven starting point for installation off-grid — inverter SPF 6000ES and battery AXE 5.0L is a compatible, safe pair. When selecting, we consider the facility's daily energy balance and the peak power of the receivers; if necessary, we expand the storage with additional modules. We are happy to size the entire system before purchase."
— Technical team PVGroup.pl
What's included in the kit?
The kit includes two main components Growatt with connecting accessories:
- inverter off-grid Growatt SPF 6000ES — 1-phase, 6 kW, island operation, battery charging from PV and grid/generator, 2 inputs MPPT.
- Energy storage Growatt AXE 5.0L — low voltage LiFePO4 battery (LV 51,2 V) with a capacity of 5 kWh, with integrated BMS.
- Cables and connecting accessories to connect the inverter to the battery.
How the system works off-grid
Growatt SPF 6000ES works in island mode: energy from photovoltaic panels is first transferred to the receivers, and the surplus is stored in the battery AXE 5.0L, and in the evenings and at night, it powers the house from the storage. When the PV and battery power runs out, the inverter can select power from the grid or generator (AC input) and also charge the battery from them. This hierarchy of priorities minimizes external power consumption and fuel consumption.
Who is this set for?
- Objects without internet access — plots, gazebos, summer houses, technical facilities.
- Places with unstable networks — the set ensures continuous power supply to key receivers.
- Generator installations — the inverter charges the battery from PV and AC, limiting the operation of the generator.
- People taking their first step in off-grid — a ready-made, selected set instead of assembling components separately.
Capacity selection and expansion
Capacity 5 kWh this is the starting point - the magazine AXE You can expand the 5.0L by connecting additional modules in parallel as your demand grows. When selecting, we consider the facility's daily energy consumption, the peak power of your consumers, and the number of days of autonomy you want to ensure. Send us a list of your consumers and a consumption profile—we'll calculate the appropriate capacity and power (info@pvgroup.pl).
Key specifications
| Choose a set Growatt SPF 6000ES + AXE 5 kWh — specification | |
|---|---|
| Set type | ready system off-grid: inverter + energy storage |
| inverter | Growatt SPF 6000ES (off-grid, 1-phase) |
| Inverter power | 6000VA / 6000W |
| Max power of PV panels | 8000W W |
| Voltage range MPPT | 120VDC ~ 450VDC V |
| number MPPT | 2 |
| PV/AC charging | 100A A / 80A A |
| Efficiency max. | 93% |
| Battery | Growatt AXE 5.0L (LiFePO4, LV 51,2V) |
| Warehouse capacity | 5,0 kWh |
| Depth of Discharge (DOD) | 92% |
| Max battery power | 3 kW nominal / 4.5 kW@3s peak kW |
| Battery voltage | 48VDC VDC |
| Warranty | European service warranty (inverter 2 years, battery 5/10 years according to the manufacturer) |
Full parameters in the manufacturer's catalog cards.
Installation and operation
Choose a set Growatt SPF 6000ES + AXE 5 kWh It is installed by a qualified installer according to the manufacturer's instructions and wiring diagram. The inverter and battery communicate and work together as a single system; once commissioned, the system can be monitored remotely. Proper installation and adherence to operating temperature ranges are essential for safety and warranty validity.
Why is it worth buying at PVGroup.pl
- Original equipment from official European distribution — full documentation and certificates.
- Ready, selected set — components match voltage-wise, without the risk of assembly errors.
- European service warranty and a Polish VAT invoice.
- Selection and technical support — we'll dimension the system for your facility. Questions: info@pvgroup.pl.
- B2B wholesale prices — discounts for installers after logging in.
B2B Delivery and Support
We ship the kit from an EU warehouse (Raben, DPD, Dachser) to companies and construction sites throughout Poland and the European Union. Every order comes with a Polish VAT invoice, and the components are covered by a European service warranty. Installers can log in and see discounted wholesale net prices—for a quote on larger quantities, please contact info@pvgroup.pl.
Most frequently asked questions
What's included in the kit? Growatt SPF 6000ES + AXE 5 kWh?
Ready system off-grid: inverter off-grid Growatt SPF 6000ES (6 kW, 1-phase, 48 V) and low-voltage energy storage Growatt AXE 5.0L (5 kWh, LiFePO4) with connection accessories. The components are selected so that they work together immediately after assembly.
What is this kit for? off-grid?
For powering facilities with no or unstable grid access: plots, gazebos, farms, and technical facilities. Energy from the panels powers receivers and charges the battery, and when necessary, the system selects power from a generator.
Can I expand my storage capacity?
Yes - Modular warehouse AXE The 5.0L can be expanded by connecting additional modules in parallel. We'll help you choose the target capacity based on your daily energy consumption.
Does the kit require a generator?
Not required, but inverter SPF The 6000ES has an AC input and can charge the battery from a generator – useful in months with less sunlight.
What is the warranty?
The inverter is covered by a European service warranty (2 years) and the battery AXE 5.0L 5 or 10 years according to the manufacturer; we issue a Polish VAT invoice for the order.
Who should assemble the kit?
Installation and commissioning should be performed by a qualified installer in accordance with the manufacturer's instructions - this is a condition for safety and maintaining the warranty.
Net wholesale prices with a B2B discount are visible after logging in. Log in to see net prices with a wholesale discount.








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