BOS-B Pro-A3 Battery for C&I Energy Storage

Modular and scalable: 5–16 battery modules in series; PCS scalable from 100 kW/125 kW up to 2.5 MW
High energy capacity: 257.23 kWh nominal, 231.51 kWh usable (recommended 90% DoD)
Fast switching: STS seamless transfer in ≤20 ms; independent high‑power paths for grid, diesel, and load
High efficiency: PCS efficiency ≈ 98.5%; MPPT performance > 99%
Robust battery module: 16.08 kWh per module, 51.2 V, 314 Ah
Rack‑mounted design: Compact footprint (2150 × 1305 × 800 mm); system weight ≈ 2240 kg

SKU: BOS-B Pro-A3Category: Small-Scale C&I ESS

Description

Intelligent Control

Peak-valley mgmt, anti-backflow,
overload protection
Load tracking, demand control, backup power, phase separation

Reliable

Operating temp: -20℃ to 55℃
Operate up to 3000m altitude
1.1x overload capacity
Balancing solutions extend battery life
Triple auxiliary power design for stable supply

Easy Maintenance

5U Standard Chassis
User Interface & Bluetooth App
USB & Cloud Upgrades
TCP Protocol for BMS
Fault Signal Input Support

Scalable

Support up to 16 units in parallel, maximum 2.3MW/4.1MWh

Multi-Fusion

Integrated EMS, PCS, and BMS
Support expansion of MPPT module
Support off-grid backup

Safer

LFP batteries
Support aerosol fire extinguishing

Model		BOS-B Pro-A3
Battery Module Energy(kWh)		16.08
Battery Module Nominal Voltage(V)		51.2
Battery Module Capacity(Ah)		314
Module Weight Approximate(kg)		126
Battery Module Q’ty in Series (Optional)		5~16
Matching Mode	PCS or Hybrid Inverter	14-15 units for PCS on-grid applications, 15 units for PCS off-grid applications, 5-15 units for hybrid inverter systems
Matching Mode	PCS+MPPT	16 units (off-grid) for MPPT Open-Circuit Voltage ≤880V;15 units (off-grid) for MPPT Open-Circuit Voltage ≤750V 14 units (off-grid) for MPPT Open-Circuit Voltage ≤700V
Battery Model Number		BOS-B80 Pro-A3	BOS-B96 Pro-A3	BOS-B112 Pro-A3	BOS-B128 Pro-A3	BOS-B144 Pro-A3	BOS-B160 Pro-A3	BOS-B176 Pro-A3	BOS-B192 Pro-A3	BOS-B208 Pro-A3	BOS-B224 Pro-A3	BOS-B240 Pro-A3	BOS-B256 Pro-A3
Battery Module Q’ty in Series (Optional)		5	6	7	8	9	10	11	12	13	14	15	16
System Nominal Voltage(V)		256	307.2	358.4	409.6	460.8	512	563.2	614.4	665.6	716.8	768	819.2
System Operating Voltage(V)		208-292.9	249.6-350.4	291.2-408.8	332.8-467.2	374.4-525.6	416-584	457.6-642.4	499.2-700.8	540.8-759.2	582.4-817.6	624-876	665.6-934.4
System Energy(kWh)		80.3	96.4	112.5	128.6	144.6	160.7	176.8	192.9	208.9	225	241.1	257.2
System Usable Energy(kWh)		72.27	86.76	101.25	115.74	130.14	144.63	159.12	173.61	188.01	202.5	216.99	231.48
Max DC Power(kW)		46.08	55.296	64.512	73.728	82.944	92.16	101.376	110.592	119.808	129.024	138.24	147.456
Max.Charge/Discharge Current(A)		180
Other Parameter
Operating Temperature (°C)		Charge：0 ~ 55 Discharge：-20 ~ 55
Storage Temperature (°C)		0 ~ 35
Thermal Management		Smart fan cooling
LCD Display		SOC / Fault Code
Status Indicator		Yellow：Battery High Voltage Power On Red：Battery System Alarm
Communication Port		TCP / RS485 / CAN
Communication With BMS		CAN
Humidity		5% ~ 85%
Altitude		≤3000m
IP Rating of Enclosure		IP20
Noise (dB)		TBD
System Dimension (W × H × D, mm)		1067 × 1305 × 800			1608 × 1305 × 800				2150 × 1305 × 800
System Weight Approximate (kg)		758	884	1010	1136	1310	1436	1562	1688	1862	1988	2114	2240
Installation Location		Rack Mounted
Recommend Depth of Discharge		90%
Cycle Life		25±2°C, 0.5C / 0.5C, EOL70%≥6000
Warranty Period		10 years
Certification		CE / IEC62619 / IEC62040 / UN38.3