Kostal & Dyness Retrofit S
| Art. Nr.: | 16402 |
|---|---|
| Battery type: | LFP |
| Installation location: | Indoor |
| Usable capacity: | 29.2 kWh |
| Power: | 12.3 kW |
| Warranty: | 10 years |
| Charging power: | 12.3 kW |
| Discharging power: | 12.3 kW |
| Communication: | RS485 |
| Commercial storage type: | Modular with inverter |
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Kostal & Dyness Retrofit S – Battery retrofit for existing PV systems
With the Kostal & Dyness Retrofit S, an existing Photovoltaic system can be easily expanded to include a Battery storage system – without any modification to the existing PV Inverter. The package combines the Kostal PLENTICORE BI 25 G3, an AC-coupled battery Inverter, with 6 Dyness Stack100 battery modules, each with a capacity of 5.12 kWh. This results in an usable storage capacity of around 29.2 kWh.
As the battery voltage with 6 modules (approx. 307 V) is still below the threshold required for full inverter output, the battery-side AC power is 12.3 kW (instead of the base output of 25 kW). This makes the package ideal for smaller commercial premises or blocks of flats with moderate power requirements. For higher power requirements, we recommend Retrofit M or L.
Contents:
- 1× Kostal PLENTICORE BI 25 G3 (battery Inverter, base output 25 kW)
- 6× Dyness Stack 100 battery modules, 5.12 kWh each
- 1× Dyness Stack 100 BDU including base
Product features of the Kostal PLENTICORE BI 25 G3:
- Base power: 25 kW, rated AC power 25 kW / 25 kVA
- 3 DC inputs, max. charge/discharge current (total) 68 A
- Battery operating voltage: 95–880 V
- Mains connection 3N~, 230/400 V, 50 Hz
- Backup operation: 25 kVA, start-up time <5 s (manual) / <30 s (automatic)
- Max. efficiency Bat2AC/AC2Bat: 98.3%
- Protection rating IP65, protection class I, pollution degree 4
- Dimensions (H/W/D): 561 × 409 × 237 mm, weight: 22.3 kg
- Ambient temperature: -20 °C to +60 °C, installation altitude up to 2000 m
- Connection technology: SUNCLIX ES (DC), spring-loaded terminal block (AC), push-in (interfaces)
- Interfaces: 2× LAN (RJ45), Wi-Fi (2.4 GHz), Modbus RTU, digital inputs/outputs
- Noise emission (typical): 39.6 dB(A)
Product specifications for the Dyness Stack 100 battery module (6-module configuration):
- Battery type: LiFePO4 (lithium iron phosphate), 5.12 kWh / 51.2 V / 100 Ah per module
- String voltage (rated voltage): 307.2 V, voltage range: 268–350 V
- Usable capacity: 29.2 kWh (95% DoD) / 30.7 kWh (100% DoD)
- Max. power draw with this stack (6 modules): 12.3 kW
- Max. charging/discharging current of the battery system: 40 A
- Communication with the Inverter: RS485
- Tower dimensions (H/W/D): 1035 × 591 × 390 mm, tower weight: 282 kg
- Protection rating: IP20, operating temperature: 0 °C to +55 °C
- Service life: >6,000 cycles or unlimited within the warranty period, 10-year manufacturer’s warranty
Product features of the Dyness Stack 100 BDU including base:
- Battery Distribution Unit including base for stacking Stack100 modules
- Battery type: High-voltage lithium
- Smallest battery tower size: 3 battery modules (15.36 kWh)
- Weight: 22.0 kg
- 10-year manufacturer’s warranty