Grandtech / Batteries

Grandtech 28.67 kWh Home Storage Battery

BAT-ST51560A-A1

Built for homes that move a lot of energy and for small commercial loads, this LFP battery stores 28.67 kWh and is rated for 8000+ cycles. Its 4.3-inch LCD displays live system data, and up to 20 units can be connected in parallel.

Your pricePriced on requestThe final price depends on how big your system is and on freight. Ask for a quote and we'll send today's pricing.
28.67 kWh
Capacity
8000+
Cycle life
20 units
Parallel
UN 38.3
At a glance

What makes this battery worth it.

At least 8000 cycles, made for daily use
Link 20 units for storage on a commercial scale
Handles cold down to −15 °C
4.3-inch LCD with live system data
Pairs with Deye, Goodwe, Growatt, SMA, Solis and other inverter brands
Tech specs

The numbers that matter.

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
Paperwork & cover

Before you buy.

Manufacturer warranty5 yearsThe exact manufacturer warranty depends on the product class, and we confirm it in your quote. It applies to normal installation and use under approved conditions; misuse, wiring that has not been approved, or unauthorized changes to the product can void it.