Pure Sine Wave
4.2kW nominal AC output.
4.2kW Off-Grid Solar Inverter
BSM-4200LV-24
Pure sine wave off-grid inverter with 4.2kW output, a 24V battery interface and built-in MPPT solar charging.
4.2kWRated output24VBattery voltageIP21Enclosure protection
Inverter overview
Solar, Battery and AC Input in One Inverter
BSM-4200LV-24 supplies 4.2kW pure sine wave AC output with an integrated MPPT solar charger and a 24V battery interface.
Connect a compatible battery and PV array, with utility or generator AC input as required. Maximum PV input power is 6.2kW; installation and string design must follow the inverter limits.
MPPT Solar Charging
6200W maximum PV input power.
Battery Integration
24V battery interface; lithium battery communication support.
Dual Outputs
Separate main and second AC outputs for load management.
System integration
Build a Complete Off-Grid Solar System
Explore matching solar, battery and accessory configurations.
4.2kW / 5.32kWh Off-Grid Solar System
BSE-4.2KW-5.32KWhSolar modules, battery and system accessoriesExplore Off-Grid Solar System →AC Output
230V single-phase
Battery Interface
24V nominal
Communication
RS232 / RS485
View Inverter Scope +
- Inverter · 1 unit
- BSM-4200LV-24
- Battery · External
- 24V compatible battery system
- PV modules · External
- Size the array within voltage, current and power limits
Technical specifications
Technical Specifications
Review the inverter output, PV input, battery interface and installation specifications.
- Rated output
- 4.2kW
- Surge / peak power
- 8400VA
- Output voltage
- 220/230Vac ±5%
- Waveform
- Pure sine wave
- Frequency
- 50/60Hz
- Transfer time
- 10ms for computers; 20ms for home appliances
- Parallel capability
- No
- Peak efficiency
- 94%
- Dual outputs
- Yes; combined output limited to 4200W
- Maximum PV input power
- 6200W
- Maximum PV open-circuit voltage
- 500Vdc
- MPPT voltage range
- 60–500Vdc
- Maximum solar input current
- 27A
- MPPT trackers
- 1
- Battery voltage
- 24V
- Maximum AC charging current
- 120A
- Maximum total charging current
- 120A
- Maximum solar charging current
- 120A
- Floating charge voltage
- 27Vdc
- Overcharge protection
- 33Vdc
- Charge method
- CC/CV
- Lithium battery activation
- Yes
- Dimensions (catalog order)
- 371.8 × 342 × 116.5mm
- Net weight
- 7.9kg
- Enclosure protection
- IP21
- Operating temperature
- -10 to +50°C
- Communication
- RS232 / RS485
- Warranty
- 18 months
Product resources
Inverter Datasheet
Original 4.2kW feature and specification pages extracted from the Bluesun off-grid inverter catalog.
Product FAQ
Your questions, answered.
Battery voltage, solar input and system integration.
What battery voltage does this inverter use?+
The nominal battery interface is 24V. Select a battery with compatible voltage, current limits and BMS communication.
What is the maximum PV input?+
The catalog specifies 6200W maximum PV input and 500Vdc maximum open-circuit voltage. Check PV string voltage and current against the specifications.
Can multiple units operate in parallel?+
No. The catalog does not support parallel operation for this model.
What does the enclosure rating mean for installation?+
The parameter table specifies IP21. This model is for indoor installation.
Can I order a complete off-grid system?+
Use the linked system configuration to review the matching PV modules, battery and accessories.
Product inquiry
Select Your Off-Grid Inverter
Tell us your loads, battery voltage, PV array and backup requirements.
4.2kW Off-Grid Solar Inverter
Model: BSM-4200LV-24 Category: Solar Inverter