Description

The Dyness STACK314-6S is a six-module high-voltage (HV) LiFePO4 battery: 96.48 kWh nominal capacity, 91.7 kWh usable energy (95% DOD). The almost 100 kWh capacity is meant for a business that needs to store its solar surplus not for an hour but for a whole shift: this system feeds a 50 kW inverter at full power for about two hours, and a 10 kW evening load for about 9 hours. It is the largest single-column configuration that still fits under a standard 2.2 m ceiling.

Capacity and power

Six 16.08 kWh modules operate in the 268–350 V range (nominal voltage 307.2 V). The recommended 140 A current corresponds to 43 kW, the maximum continuous 200 A to 61.4 kW. Compared with the 5S, the 6S voltage window rises above 268 V, which is the first threshold at which ATESS hybrid inverters appear in the list. Expansion – two more modules in the same column (up to 8S); from 9 modules a second column is required.

Installation and location

The six-module column is assembled without internal wiring – the modules are placed one on top of another above the SBDU200 controller; wall brackets, CAN/RS485 and 50 mm² power cables are included. Dimensions 770 × 425 × 1,673 mm, weight about 728 kg – a point load of more than 2 t/m², so the system is placed on a concrete floor on the ground floor or in a basement. Indoor installation (IP20), charging from 0 °C, discharging from −20 °C; because of the fans a technical room, not an office, suits it.

Inverter compatibility

In the Dyness list (06/2026) six modules are marked with ATESS HPS30000/40000/50000TL (from 6S), Deye SUN-29.9–50K-SG01HP3-EU-BM3/4 and SUN-60–80K-SG02HP3-EU-EM6, Growatt WIT 29.9–50K-XHU, Hiconics MH-HYIV29.9/30.0-TH, Solinteg MHT-25–50K-100 and M2HT-25–50K-150, Solis S6-EH3P(3–10)K-H, S6-EH3P(12–20)K-H and S6-EH3P(29.9–50)K-H, Sosen SSE-HH30-60K-P3 and SRNE IESP 50–60kW. The 75–125 kW class Solis and Solinteg inverters need at least 7 modules – for them choose the 7S (112.56 kWh). Communication is CAN or RS485; we check your inverter model against its label before you order.

Safety and warranty

Six aerosol extinguishers (one per module) and a DC breaker in the controller; the BMS balances the cells and monitors voltage, current and temperature. More than 8,000 cycles (0.2C, 25 °C), UN38.3 and IEC 62619. The manufacturer's warranty is 10 years under the Dyness warranty terms; registration is through the Dyness app.

Technical specifications

Capacity

96.48 kWh (6 × 16.08 kWh)

Usable energy

91.7 kWh (95% DOD)

Depth of discharge (DOD)

95%

Power

43 kW recommended (140 A), max. 61.4 kW (200 A)

Voltage

307.2 V nominal, operating 268–350 V

Current

140 A recommended (0.45C), 200 A max. continuous

Charge cycles

≥ 8,000 (0.2C, 25 °C, 95% DOD)

Operating temperature

Charge 0…+55 °C (with heating −20…+55 °C), discharge −20…+55 °C

Communication

CAN / RS485 (RJ45) to inverter; Wi-Fi + Bluetooth for the app

Dimensions (W×D×H)

770 × 425 × 1,673 mm (single column)

Weight

approx. 728 kg

Protection

IP20, indoor; aerosol extinguisher in every module; DC breaker

Compatibility

Dyness list: ATESS, Deye, Growatt, Solinteg 25–50K, Solis 3–50 kW, Sosen, SRNE, Hiconics

In the box

SBDU200 controller, base, 6 S51314 modules, brackets, CAN/RS485 and power cables

Warranty

10 yr. under Dyness warranty terms