Zero Waste, Full Scenario, High Reliability: ONESUN BSH Series Makes Every kWh Work for You

 

As distributed PV and energy storage rapidly gain adoption, users are no longer satisfied with just "having power available." They seek maximum self-consumption, minimum electricity costs, and optimal supply reliability. ONESUN's newly launched Stack bale All-in-One Energy Storage System – BSH Series is an industrial-grade, multi-functional PV-storage inverter designed precisely for these demands.

 

 

Full Power Range, Flexible for Any Scenario
The BSH series offers three rated power options – 3.5kW, 6kW, and 11kW – paired with 51.2V battery modules from 100Ah to 400Ah (100/200/300/400Ah selectable), and supports expansion up to 8 batteries in parallel. It easily meets capacity requirements for residential homes, villas, small commercial & industrial sites, off-grid base stations, and independent power systems in harsh environments.

 

 

⚡ STACK BALE ALL-IN-ONE ENERGY STORAGE SYSTEM

Technical Specifications - ONESUN

 

🔋 High-performance LiFePO₄ | Smart BMS | Hybrid Solar Inverter

Model / Parameter	BSH-6kW51.2V100Ah	BSH-6kW51.2V200Ah	BSH-6kW51.2V300Ah	BSH-6kW51.2V400Ah	BSH-6kW51.2V500Ah
☀️ Solar Input Data
Max. PV Array Power	5500W
Max. PV Array Open Voltage	500 VDC
MPPT Voltage Range	120 ~ 450 VDC
MPPT Tracker / Strings	1
Max. Solar Charge Current	100A
Max. AC Charge Current	80A
Max. Charge Current	100A
🔌 Inverter & Controller Data
Rated Power	5000VA / 5000W
AC Voltage	230 VAC
Voltage Regulation (Battery Mode)	230 VAC ± 5%
Frequency Range	50Hz / 60Hz (Auto Sensing)
Surge Power	10000VA
Voltage Range	170-280VAC (For Personal Computers); 90-280 VAC (For Home Appliances)
Efficiency (Peak)	Up to 93.5%
Transfer Time	10ms (For Personal Computers); 20ms (For Home Appliances)
Phase	Single-Phase
🔋 Battery Data (LiFePO₄)
Nominal Voltage	51.2 V
Rated Capacity (Ah)	100Ah	200Ah	300Ah	400Ah	500Ah
Max. Charging / Discharging Current	100A	200A	300A	400A	500A
Cycle Life	SMA series: ≥6000 Times @ 80% DOD & 0.5C, 25°C
SOC Estimation	Yes
Intelligent Balance	Yes
Sleep and Wake-up	Yes
🛡️ Protection & Safety
AC Over Current	Yes
AC Over Voltage	Yes
Over Temperature	Yes
Smart Load Management	Yes
On Grid	Yes (Grid-tie ready)
📊 System Data
Nominal Output Power	5000W
Rated Energy Capacity	5.12 kWh	10.24 kWh	15.36 kWh	20.48 kWh	25.6 kWh
Battery Type	LiFePO₄ (Lithium Iron Phosphate)
IP Protection	IP50 (indoor installation)
Warranty	SMA series: 5 Years / ECO series: 2 Years (Optional)
Size (W*D*H) mm	580*360*489 mm	580*360*653 mm	580*360*917 mm	580*360*981 mm	580*360*1165 mm
Net Weight	64.6 kg	110.6 kg	156.6 kg	202.6 kg	248.6 kg
🌍 General & Environmental
Relative Humidity	5% to 95% Relative Humidity (Non-condensing)
Operating Temperature Range	Charging: 0°C ~ 50°C Discharging: -15°C ~ 60°C
Display	LCD (real-time status & configuration)
Altitude	>2,000m Derating
Communication Interface	USB / RS232 / RS485 / Dry contact
Battery Safety Standard	EN/IEC 62109-1 ; EN/IEC 62109-2
System Safety Standard	CE, UN38.3, MSDS

🌱 ONESUN - Smart Energy for a Greener Future | Specifications subject to minor changes, refer to official datasheet.
✓ High efficiency hybrid inverter + stackable LiFePO₄ battery | Seamless backup & self-consumption

 

 

Six Core Technologies Redefining PV-Storage Value

 

PV Oversizing for Higher Returns
Allows PV array capacity to exceed inverter rating, boosting annual generation by 15–30% and significantly shortening payback periods.

 

Smart PV-Grid Complementarity, Zero Curtailment
Dynamic power regulation achieves nearly 100% PV utilization – no more wasted midday generation or evening grid dependency.

 

Seamless On/Off-Grid Switching, Uninterrupted Critical Loads
UPS-grade transfer time (20ms or 10ms optional) ensures sensitive loads such as monitors, servers, and medical devices keep running without glitches.

 

Dual Battery Profit Model – Assets That Generate Income
Supports both peak-valley arbitrage and demand management. One system delivers backup power while directly creating savings from electricity price differences.

 

Transparent Power Management – Every kWh Tracked
Built-in high-precision metering and cloud platform with 15‑minute data granularity helps users optimize consumption behavior.

 

Industrial-Grade Reliability – Worry-Free in Harsh Environments
Wide operating temperature (-20°C to 55°C), IP54 rating, anti-corrosion coating, and intelligent fan cooling enable 7/24 continuous operation.

 

Three Working Modes – Energy Flow at Your Fingertips
Choose among Photovoltaic Priority, Battery Priority, or AC Priority with one click – adapt to different tariff strategies and on/off-grid scenarios.

 

 

Conclusion
The ONESUN BSH series is not just an inverter plus battery. It is an intelligent energy terminal integrating PV optimization, storage management, grid-switching, and revenue operation – turning storage from a cost center into a profit center.

 

ONESUN – Empowering every clean kilowatt-hour with hardcore technology.
BSH Series – Full-scenario storage, round-the-clock earnings, all-condition reliability.

 

 

Article Source: Lithium battery manufacturer - ONESUN China

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