Product · Technical data

Square Stacked Energy Storage System

Modular square modules stacked in a cabinet, self-cooled with no dust accumulation and compatible with most mainstream inverters.

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Specification Pending

Battery type: LFP (lithium iron phosphate)
Nominal voltage: 51.2 V
Charge voltage, max: 57.6 V
Discharge cut-off voltage: 40 V
Configuration: 16S1P, 16S1P×2, 16S1P×3, 16S1P×4
Communication: RS485 / CAN

Values are withheld until confirmed by our engineering team.

01Model overview

51.2 V Nominal voltage

Design life

4 Models in this range

Model	Rated energy	Capacity	Configuration	Dimensions	Max charge	Max discharge
51.2V100Ah	5.12 kWh	100 Ah	16S1P	550 × 500 × 313 mm	50 A	50 A
51.2V200Ah	10.24 kWh	200 Ah	16S1P×2	550 × 500 × 505 mm	100 A	100 A
51.2V300Ah	15.36 kWh	300 Ah	16S1P×3	550 × 500 × 696 mm	150 A	150 A
51.2V400Ah	20.48 kWh	400 Ah	16S1P×4	550 × 500 × 888 mm	200 A	200 A

Figures are taken from the current AllGrand product brochure. Specifications are indicative and may be revised without notice — confirm with our engineers before ordering.

02Overview

Modular square modules stacked in a cabinet, self-cooled with no dust accumulation and compatible with most mainstream inverters.

03Key features

5–20 kWh
- Detailed characteristics to be confirmed for this model.
Stacked
- Detailed characteristics to be confirmed for this model.
Self-cooled
- Detailed characteristics to be confirmed for this model.
Specified against the duty cycle
- Cell and plate selection matched to the real operating profile.
- Capacity and autonomy sized to the load, not to a catalogue average.
Batch control
- Incoming material control and in-process inspection on every batch.
- Traceability from plate casting through to packing.
End-of-line testing
- Electrical testing before packing, with results available on request.

04Specification

Battery type: LFP (lithium iron phosphate)
Nominal voltage: 51.2 V
Charge voltage, max: 57.6 V
Discharge cut-off voltage: 40 V
Configuration: 16S1P, 16S1P×2, 16S1P×3, 16S1P×4
Communication: RS485 / CAN
Cycle life: ≥ 6000 cycles (80% DOD)
Cooling: Self-cooled, no dust accumulation
Display: LCD, one-key start
Inverter compatibility: Compatible with most mainstream inverters
Optional inverter: AG-F51-05K-03 · AC220 · 220 VAC ±5% · 5000 W PV · 100–450 V PV input · 80 A max charge
Company certification: ISO 9001 · ISO 14001 · ISO 45001

Figures are taken from the current AllGrand product brochure. Specifications are indicative and may be revised without notice — confirm with our engineers before ordering.

05Gallery