best & cheap off grid solar power inverter for home, office

Item No.: SRM009
SRL series (500W-7kW) single-phase solar inverter is providing a complete power solution for strict demand applications, This product applies to a variety of solar power systems, wind power generation systems, wind and solar hybrid generation systems.
Description Specification

1.  With SPWM technology controlled by CPU, pure sine wave output

2.  Reliable with dynamic current loop control technology

3.  Auto detect and convert 50/60HZ output

4. Applying to capacitive load, inductive load and nonlinear mixed load

5. Strong overload ability, strong resists shocks ability, can start with full load

6. High efficiency, low noise, smokeless, no fire hazard

7. Automatic switch, realize unattended function

8. Communication function: USB interface/SNMP remote control/GSM SMS function

9. AC priority or DC priority selectable

10. Stable performance, more safe and reliable, long service life

11. Perfect protection function: input over/low voltage, overload, short circuit, low battery voltage, over temperature

Foshan Sunremain Technology Co.,Ltd is an national creative high-tech enterprise, specialized in R&D, manufacturing and marketing of high reliable off grid solar inverters, power inverter mppt solar controllers, ups systems and solutions. Our factory has passed ISO quality management system certification.
We try our best to meet customers' expectations in terms of product quality, customer service and on-time delivery, strictly following the principles of "faithfulness, passion, professional care" and "mutual benefits". “Sunremain”, a believable brand, will provide you with the best quality, the lowest price, punctual shipment and cordial service.
MODEL SRL11-0.5K SRL11-1K SRL11-1.5K SRL11-2K SRL11-3K SRL11-4K SRL11-5K SRL11-6K SRL11-7K
Rated Power 0.5W 1KW 1.5KW 2KW 3KW 4KW 5KW 6KW 7KW
Instant Power Three Times
DC Input
DC Voltage 12/24V 24/48V 48/96V
Battery Type All kinds of batteries
Battery No. 12V Battery: 1pcs (12V) / 2pcs (24V) / 4pcs (48V) / 8pcs (96V)
AC Input
Efficiency ≥ 90%
Input Voltage 220V (165-275V) / 110V (82-140V) (L+N+G)
Frequency 50Hz/60Hz ±10% (self-adaption)
Output Voltage 220V / 110V
AC / DC Switch Time 0MS
Invert Output
Frequency 50/60Hz ± 0.1%
Output Voltage 220V / 110V ± 1%
Output Waveform Pure Sine Wave
THD ≤ 3% (Linear Load)
AC charging
Charge current 15A Standard ( 0-30A customizable)
Overcharge Protect Voltage 15.5V (12VDC) / 31V (24VDC) / 62V (48VDC) / 124V (96VDC)
Floating Charge Voltage 14.5V (12VDC) / 29V (24VDC) / 58V (48VDC) / 116V (96VDC)
Low Voltage Protection Voltage 10.5V (12VDC) / 21V (24VDC) / 42V (48VDC) / 84V (96VDC)
Protection Overload, Short circuit, High/low voltage, Over temperature
Overload Capacity 120% 30S, 125% 10S, 150% 0S
Fault Keep Alarm Sound
Monitoring Interface USB/RS232/ANMP (Optional)
Display LCD/LED+LCD (Optional)
Working mode 01: AC Priority Mode, 02: Energy-saving Mode, 03: Solar Inverter Mode User can select 01, 02, 03, Working mode via Function Key
Humidity 0% to 95% relative humidity (Non-condensing)
Operating Temperature 0-50℃
Storage Temperature -15-60℃
Noise ≤ 30dB (within 1 meter)
Net Weight (Kg) 9.5 11.5 15.5 20 25.5 35 39 44 50
Dimension (L*W*H)mm 300*150*230 480*250*530
Remarks: Product Specifications are subject to change without further notice