Harnessing Solar Energy with the Latest AC Coupled : A Practical Using Guide
AC vs DC-Coupled BESS & the Advantages of AC Coupled Lithium Battery Energy Storage
In the evolving landscape of home energy management, AC power storage solutions are gaining significant traction. A prime example is the AC Plug-in Battery ESS, a novel plug-and-play AC coupled energy storage device showcased by Batterlution at recent trade shows in Germany. This innovative system represents the next step in accessible ac coupled battery storage technology.
The AC coupled battery storage system seamlessly integrates with both grid-connected and off-grid setups. Its installation is remarkably simple, as the device automatically adapts to match specific grid requirements. This flexibility is a key consideration in the AC vs DC-coupled BESS debate for residential retrofits. As an Open Hardware device, this AC Coupled Lithium Battery Storage unit can be charged and discharged via third-party meters or smart terminal devices, making it an intelligent, modular component for a customized energy ecosystem.
Basic product Specification:
Parameter | Value |
|---|---|
Energy Storage Capacity | 2.5kWh / 5kWh |
Battery Voltage | 51.2V |
Charging Power | 1200W |
Discharging Power | 800W |
AC Port | Schuko plug |
Conversion Efficiency | 0.97 |
Communication | Modus TCP / IP / MQTT API / Modus RS485 / Bluetooth |
Operating Temperature | -20℃ to 50℃ |
Modular Interface | Available for cascade connection |
The characteristics of owerGo can be summarized according to the function introduction and parameters of the product.
- High Conversion Efficiency: Through design and testing, the device's DC-AC conversion efficiency is guaranteed to be 97%.
- Convenient Output: Directly plugged into the household power grid through Schuko, automatically connected to the grid.
- Plug-and-Play: Simply plug the deviceinto your home for immediate use. no electrician installation is required, and the distribution box configuration does not need to be changed.
Cascadable Battery: The ac coupled storage units can be cascaded without additional wiring to increase total capacity.
- Bi-directional charging: Support the arbitrary switching of the battery charging and discharge mode within the working range
- Modular Design: Connected with MPPT and backup modules to create more functions and possibilities.
- Low-temperature Charging: The safety and reliability of charging can be guaranteed, even when the temperature is low in winter.
- Intelligent: Upgraded synchronously with the grid's intelligence.
- Safe and Reliable: With complete battery protection and equipment monitoring, the internal components and current and power of the equipment can be monitored, and protection can be made quickly within 200ms based on the analysis.
- Open Hardware: Be charged and discharged by third-party meters or smart terminal devices.
PowerGo series Usage Scenarios and Extensions
1.For Homes with Existing Balcony PV Systems but without energy storage
Benefits of Adding:
Adding AC coupled batteries to existing balcony PV power stations can realize self-use or peak load shifting. Multiple 800W PV or battery devices can be plug-and-play through the battery-gateway.
- Address the issue of excess power generation from rooftop PV systems and the free giveaway of PV power plant electricity to the grid.
Significantly boosts solar energy utilization by adding ac coupled battery storage.
- Simplify installation compared to traditional batteries, eliminating the need for professional electricians and home wiring modifications.
- Save more on electricity bills during winter when PV systems are inactive but household electricity demand is high by using batteries for peak shaving and valley filling.
- Reduce electricity expenses through smart control and linkage with third-party meters, enabling intelligent battery charging and discharging management.
2. For Homes with Existing Rooftop PV Systems
Benefits of Adding:
For homeowners with existing rooftop PV systems that require retrofitting, energy storage functionality can be seamlessly integrated.
Addresses excess solar generation by expanding storage capacity via battery cascading within the AC coupled battery storage system.
- Significantly increase the utilization of solar energy by adding energy storage batteries to PV systems.
- Simplify installation compared to traditional batteries, eliminating the need for professional electricians and home wiring modifications.
- Save more on electricity bills during winter when PV systems are inactive but household electricity demand is high by using batteries for peak shaving and valley filling.
- Reduce electricity expenses through smart control and linkage with third-party meters, enabling intelligent battery charging and discharging management.
3. For Homes in Areas with Significant Peak-Valley Electricity Price Differences
Benefits of Adding:
Through the dynamic electricity price of the power grid to achieve the peak filling and reduce the electricity cost.
- Address the issue of excess power generation from rooftop PV systems and the free giveaway of PV power plant electricity to the grid by expanding storage capacity through battery cascading.
- Significantly increase the utilization of solar energy by adding energy storage batteries to PV systems.
- Simplify installation compared to traditional batteries, eliminating the need for professional electricians and home wiring modifications.
- Save more on electricity bills during winter when PV systems are inactive but household electricity demand is high by using batteries for peak shaving and valley filling.
- Reduce electricity expenses through smart control and linkage with third-party meters, enabling intelligent battery charging and discharging management.
