Grandtech / Batteries
Grandtech 28.67 kWh Home Storage Battery
BAT-ST51560A-A1
A 28.67 kWh LFP battery rated for 8000+ cycles with a 4.3-inch LCD, real-time telemetry, and 20-unit parallel scalability. Engineered for high-throughput homes and small commercial loads.
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- 28.67 kWh
- Capacity
- 8000+
- Cycle life
- 20 units
- Parallel
UN 38.3
Overview
Why this battery.
≥ 8000 cycles — built for daily cycling
20 units in parallel for commercial-scale storage
Operates down to −15 °C
Real-time 4.3-inch LCD telemetry
Compatible with Growatt, Goodwe, Deye, Sma, Solis and more
Specifications
Key technical details.
Electrical
Battery typeLFP
Total energy28.672 kWh
Nominal voltage51.2 V
Working voltage40 – 58.4 V DC
Charge / discharge current200 A
Cell configuration16S1P
Efficiency> 98%
Physical
Dimensions (W × H × D)460 × 1000 × 380 mm
Weight228 kg
IP ratingIP20
MountingFloor standing
Operating
Cycle life @ 25 °C≥ 8000
Operating temperature−15 °C to 60 °C
Max altitude3000 m
ScalabilityUp to 20 units in parallel
Warranty5 years
Documents & warranty
