Growatt ACE 261 – energy storage 261 kWh
Growatt ACE 261 is a high-voltage (HV) energy storage device (LiFePO4 battery) with a capacity 261 kWh from the offer PVGroup.pl. Growatt This model is a high-voltage (HV) commercial-grade LiFePO4 battery cabinet with large capacity. It stores energy from a photovoltaic system and releases it during peak demand and emergency operation, working in conjunction with three-phase hybrid inverters. Growatt WIT XHU. Rackowy BMS manages the entire system. The storage unit is matched to an inverter with the appropriate voltage class—three-phase commercial hybrid inverters, for example. Growatt WIT XHU and energy storage systems (ESS).
This datasheet provides complete information about the model: operating principle, compatible inverters, expansion options, full specifications from the manufacturer's catalog, and capacity selection. All parameters are taken from the official documentation. Growatt — we provide them to facilitate selection and avoid purchasing errors. If you still have questions, our technical team will provide free assistance in selecting the right storage for your inverter, capacity for your energy consumption, and other components for your photovoltaic installation.
Expert opinion
Opinion of the technical team PVGroup.pl
"Growatt ACE The 261 is a robust high-voltage (HV) LiFePO4 energy storage device, which we recommend for expanding your photovoltaic system with increased self-consumption and backup power. Compatibility between the battery voltage class and the inverter is crucial when purchasing—we'll be happy to verify the storage device's suitability for your system and help you choose the right capacity for your actual energy consumption."
— Technical team PVGroup.pl
How energy storage works Growatt ACE 261
Growatt ACE 261 is a high-voltage (HV) commercial LiFePO4 battery cabinet with large capacity. It stores energy from a photovoltaic system and releases it during peak demand and in emergency mode, working in conjunction with three-phase hybrid inverters. Growatt WIT XHU. Rackowy BMS manages the entire system.
In practice, the storage facility increases the self-consumption of photovoltaic energy: instead of feeding surplus energy into the grid at a low price and buying it back at a higher price in the evening, you consume your own energy when you need it. Combined with a hybrid inverter, the storage facility also provides emergency power to key circuits during grid outages.
Who is this energy storage for?
- Prosumers in net-billing — the warehouse shortens the return on installation, increasing self-consumption.
- Homes and businesses with a hybrid inverter compatible voltage class.
- People who care about emergency power supply during power outages.
- Installations expanded in stages — you add capacity as needed.
The most important features
- Cobalt Free Lithium Iron Phosphate (LFP) cells — safe and durable.
- Integrated BMS — voltage, temperature protection and cell balancing
- Modular construction — easy capacity expansion
- Degree of protection IP55
Compatible inverters and accessories
Growatt ACE 261 is a high voltage (HV) storage system designed to work with: three-phase commercial hybrid inverters Growatt WIT XHU and Energy Storage Systems (ESS)The system is equipped with an integrated rack-mount battery management system (BMS). A battery cabinet is required for installation. Warning: The battery voltage class (LV/HV) must be compatible with the inverter - we will confirm the selection before purchase. You can find the full range of inverters at inverter categories.
Selection of warehouse capacity
A wardrobe system made of modules of approximately 16 kWh — scaled for large industrial installations and ESS. We select the capacity based on daily energy consumption and the investment objective: to increase self-consumption, a storage system covering evening consumption is usually sufficient, while for real emergency power, higher capacity and power are selected. Contact info@pvgroup.pl — we will calculate the right size for your installation and inverter.
Growatt ACE 261 and savings and self-consumption
In net billing, energy fed into the grid is priced lower than the energy you later buy back. Energy Storage Growatt ACE 261 This balance is reversed: surplus panels, which would otherwise be fed into the grid at a low price, are stored at home and used in the evenings and nights. This increases self-consumption, reduces electricity bills, and significantly shortens the return on investment in photovoltaics. Furthermore, there's a value that's difficult to quantify in złoty—energy security: in the event of a grid outage, the storage unit, along with a hybrid inverter, maintains power to the most important circuits in your home or business. The higher energy prices and the greater daily consumption, the faster the storage unit pays for itself—which is why, when selecting a system, we consider your actual consumption profile, not just the system's power output.
parameters Growatt ACE 261 in practice
Cobalt Free Lithium Iron Phosphate (LFP) cells are thermally safe and resistant to degradation.
Design: IP55 protection class, operating temperature range -25°C – 55°C (>45°C derating) °C, weight ≤2600kg kg with dimensions 1200/2040/1165mm (W/H/D) mm.
Safety - LiFePO4 cells
Growatt ACE 261 built on lithium-iron-phosphate (LiFePO4) cells. This is the safest chemistry commonly used in home energy storage today: it is thermally resistant, cobalt-free, and much less susceptible to thermal runaway than older NMC cells. A built-in battery management system (BMS) continuously monitors individual cell voltages, temperatures, and charge and discharge currents, disconnecting the storage device in the event of an abnormality and balancing the cells for longer life. Combined with long cyclic durability, this translates into years of maintenance-free storage operation.
Installation and operation
Growatt ACE 261 Installed by a qualified installer according to the manufacturer's instructions. The IP55 protection rating determines the installation location; pay attention to the operating temperature range and ventilation. The warehouse is managed by BMS and inverter - after starting, its status (SOC, charging, discharging) can be seen remotely in the application ShinePhoneThe device is covered by a European service warranty (5 or 10 years (depending on the variant) according to the manufacturer); we issue a Polish VAT invoice with the order.
Key specifications
| Growatt ACE 261 — specification | |
|---|---|
| Type | LiFePO4 (HV) energy storage |
| Rated capacity | 261 kWh |
| Capacity (module) | 16.128 kWh |
| Usable capacity | 188.64 kWh |
| Cell chemistry | Cobalt Free Lithium Iron Phosphate (LFP) |
| Nominal voltage | 57.6 V |
| System Voltage (HV) | 748.8 V |
| Max charging current | 140 A |
| Max discharge current | 140 A |
| Max power | 100 kW |
| Level of security | IP55K |
| Charging temperature | -25°C – 55°C (>45°C derating) °C |
| Discharge temperature | -25°C – 55°C (>45°C derating) °C |
| Dimensions (W×H×D) | 1200/2040/1165mm (W/H/D) mm |
| Weight | ≤2600kg kg |
| Compatible inverters | three-phase commercial hybrid inverters Growatt WIT XHU and Energy Storage Systems (ESS) |
| Management / BMS | integrated rack-mount battery management system (BMS) |
| Warranty | European service warranty (5 or 10 years (depending on the variant) according to the manufacturer) |
Full parameters in the manufacturer's catalog card.
What makes the series stand out - Growatt ACE 261
Door Line ACE are high capacity commercial HV battery cabinets - for industrial installations and energy storage (ESS) at inverters WIT XHU.
What to pay attention to when choosing Growatt ACE 261
The most important thing when buying a warehouse is the fit voltage classes Battery to Inverter: This model is high voltage (HV), so it works with three-phase commercial hybrid inverters Growatt WIT XHU and energy storage systems (ESS). A battery of the wrong class won't work. It's also worth planning the target capacity upfront (modular expansion is inexpensive, but it's more convenient to size the system in advance) and a mounting location with appropriate temperature and ventilation. If in doubt, send us the inverter model—we'll confirm the storage selection before purchase.
Monitoring — Growatt ACE 261
Magazine Growatt ACE 261 you monitor through the inverter to which it is connected: application ShinePhone and the portal ShineServer show state of charge (SOC), charge and discharge power, and operation history, with failure notifications. For installers servicing multiple facilities Growatt provides service accounts with an overview of the entire fleet from a single panel.
About the brand Growatt
Growatt is one of the world's largest manufacturers of photovoltaic inverters and energy storage systems, present in the PV market for over a decade, with an extensive service network in Europe. PVGroup.pl we offer equipment Growatt from official European distribution, with full documentation, European service warranty and technical support in Polish.
Why is it worth buying at PVGroup.pl
- Original equipment from official European distribution — full documentation and certificates.
- European service warranty (5 or 10 years (depending on the variant) according to the manufacturer) and a Polish VAT invoice.
- Selecting a storage unit for the inverter and installation — We'll help you choose the right voltage class and capacity. Questions: info@pvgroup.pl.
- B2B wholesale prices — discounts for installers and companies after logging in.
Delivery, warranty and B2B support
Growatt ACE 261 We ship from an EU warehouse (Raben, DPD, Dachser) to companies and construction sites throughout Poland and the European Union. Every order is accompanied by a Polish VAT invoice, and the product is covered by a European service warranty (5 or 10 years (depending on the manufacturer's option) with our complaint handling service. After logging in, installers can see discounted wholesale net prices. For a quote for the inverter + warehouse package, please contact info@pvgroup.pl.
Most frequently asked questions
Which inverters is it suitable for? Growatt ACE 261?
This is a high voltage (HV) storage system designed to work with three-phase commercial hybrid inverters. Growatt WIT XHU and Energy Storage Systems (ESS). The battery voltage class must be compatible with the inverter.
What is the capacity and can I expand it?
Capacity is 261 kWh. Wardrobe system constructed of modules of approximately 16 kWh — scalable to large industrial installations and ESS.
What cell chemistry and what lifespan Growatt ACE 261?
Cobalt Free Lithium Iron Phosphate (LFP) cells. This is a safe and durable technology.
Czy Growatt ACE 261 provides emergency power?
Yes - when combined with a hybrid inverter, the storage unit supports selected circuits in the event of a grid failure (inverter backup/EPS function).
Where can I install it? ACE 261?
IP55 protection rating. Installation should be performed by an installer according to the instructions; pay attention to the operating temperature range and ventilation.
What warranty does it have? Growatt ACE 261?
The product is covered by a European service warranty (5 or 10 years (depending on the variant) according to the manufacturer); we issue a Polish VAT invoice for the order.
How to monitor your battery charge ACE 261?
Battery status (SOC), charging and discharging are visible in the application ShinePhone and the portal ShineServer — through the inverter to which the storage is connected.
What is the difference between a low voltage (LV) and a high voltage (HV) battery?
LV (approx. 48–51 V) works with inverters off-grid and some hybrids; HV (hundreds of V) with three-phase hybrids. The battery must match the inverter's voltage class - otherwise it won't work.
Net wholesale prices with a B2B discount are visible after logging in. Log in to see net prices with a wholesale discount.
Joanna –
ACE 261 kWh – a powerful storage system. It operates stably, but configuration and startup require experience. The documentation could be more detailed. Overall, it's a solid piece of hardware with minor flaws.