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{"title":"24V 3.5kW 48V 5.5kW Off Grid Hybrid Solar Inverter with MPPT","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/dc\/0f\/df204283040b5eb26192f061b388-200x200-1\/24v_3_5kw_48v_5_5kw_off_grid_hybrid_solar_inverter_with_mppt.jpg","attrs":{"Brand Name":"1stess","Model Number":"EM (PV60-500VDC) 550048L","Certification":"CE, IEC","Place of Origin":"China"}}
{"title":"48V 5.5KW Hybrid Solar Inverter with MPPT Pure Sine Wave","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/85\/6c\/8cb1e2b96262f6b61cf59326a0e4-200x200-1\/48v_5_5kw_hybrid_solar_inverter_with_mppt_pure_sine_wave.jpg","attrs":{"Brand Name":"1stess","Model Number":"EM (PV60-500VDC) 620048L","Certification":"CE, IEC","Place of Origin":"China"}}
{"title":"48V 6.2kW Hybrid Solar Inverter with MPPT Pure Sine Wave","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/27\/2f\/2eee079a42ec97a2d30b4eb3921f-200x200-1\/48v_6_2kw_hybrid_solar_inverter_with_mppt_pure_sine_wave.jpg","attrs":{"Brand Name":"1stess","Model Number":"M (PV60-500VDC)6200-48PL","Certification":"CE, IEC","Place of Origin":"China"}}
{"title":"48V 3.5KW Solar Hybrid Inverter Off Grid Inverter 5.5KW 6.2KW MPPT Hybrid","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/f3\/ab\/edb78a4e243a445f067877f1c830-200x200-1\/48v_3_5kw_solar_hybrid_inverter_off_grid_inverter_5_5kw_6_2kw_mppt_hybrid_inverter.jpg","attrs":{"Brand Name":"1stess","Model Number":"EM (PV60-500VDC) 620048L","Certification":"CE, IEC","Place of Origin":"China"}}
{"title":"MPPT Charging Mode 48VDC 4.6KW Hybrid Solar Inverter for 3.6KW 5KW 6KW Solar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/46\/ad\/434571bdb3bbb053dbb64dd6de4b-200x200-1\/mppt_charging_mode_48vdc_4_6kw_hybrid_solar_inverter_for_3_6kw_5kw_6kw_solar_system.jpg","attrs":{"Brand Name":"1stess","Model Number":"SRP-4.6KRS-H1","Certification":"CE, IEC","Place of Origin":"China"}}
{"title":"6KW Hybrid Solar Inverter 48V 3.6KW 4.6KW 5KW Frequency 50Hz\/60Hz MPPT Charging","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/20\/58\/eba3b88569be6f761c03c802b064-200x200-1\/6kw_hybrid_solar_inverter_48v_3_6kw_4_6kw_5kw_frequency_50hz_2f60hz_mppt_charging_mode.jpg","attrs":{"Brand Name":"1stess","Model Number":"SRP-6KRS-H1","Certification":"CE, IEC","Place of Origin":"China"}}
1.Maximum efficiency of 97.8% and battery efficiency of 97.0%
2.Maximum 12kW PVinput power
3.Key components from international renowned brands
4.IP66 protection rating,ensuring adaptability to complex
5.Multiple built-in protections, with optional AFCl
6.Large MPPT current, compatible with high-power solar panels
MODEL
SP3KH
SP3K6H
SP4K6H
SP5KH
SP6KH
Nominal Battery Voltage
360VDC
Mounting Method
Wall Bracket
Battery Type
Lithium-ion/Lead-acid
Nos.of MPPT
2
2
2
2
2
Rated Grid Voltage
220V/230V/240V,L+N+PE
Battery Voltage Range
80V-480V
80V-480V
80V-480V
80V-480V
80V-480V
Rated Grid Frequency
50Hz/60Hz
50Hz/60Hz
50Hz/60Hz
50Hz/60Hz
50Hz/60Hz
Transfer Time
10ms (typical)
Nominal AC Output Power
3000W
3600W
4600W
5000W
6000W
Protection Degree
IP66
Max.AC Output Apparent Power
3300VA
3960VA
4600VA
5500VA
6600VA
Weight
14.1Kg
14.6Kg
Dimensions (W*H*D)
470mm*360mm*172mm
Warranty
5 Years/10 Years (Optional)
Display
LED,LCD
Technical Parameters:
Core Advantages Summary:
Leading Efficiency, Dual Cost Savings in Generation & Storage
Max PV - to - AC efficiency 97.8% (European efficiency 97.5%) and BAT - to - AC efficiency 97.0% far exceed industry averages, minimizing energy loss in power generation and storage (e.g., ~15% - 20% annual savings for residential, more significant for commercial), directly reducing electricity costs.
“High - Power + Dual MPPT” PV Input, Stable Generation in Complex Scenarios
Max PV input power 12,000W with dual MPPT design (1 string per MPPT) and MPPT voltage range 70V - 540V, suitable for multi - row modules, irregular roofs, etc. Power generation efficiency increases by over 10% under shading or low - light, ensuring system stability.
“Full - Compatibility + High - Throughput” Energy Storage, Flexible for Multi - scenarios
Supports lithium - ion/lead - acid batteries (nominal 360V, voltage range 80V - 480V) with 42A charging/discharging current and power (9,000W/4,200W), compatible with 5kWh - 20kWh storage systems. “Fast charging & stable discharging” meets high - load demands (e.g., home ACs, small business equipment).
Dual Reliability: Grid - connected & Backup, Zero Power Interruption
Grid - connected: Nominal power 3kW - 6kW with 3,300VA - 6,600VA apparent power, adjustable grid voltage (150V - 300V) and frequency (45Hz - 65Hz) for global grids; power factor >0.99, THDI <3%, ensuring grid - friendly high - quality power;
Backup: Nominal output matches grid - connected rating, with peak apparent power (15s) up to 4,350VA - 8,700VA and transfer time <10ms (typical). Sensitive loads (e.g., computers, medical devices) experience zero flicker during outages.
10 - Layer Safety Protection, Top - tier International Standards
Class I protection + DC switch, anti - islanding, AC/DC over - current/voltage/short - circuit/reverse protection, surge protection (DC Type III/AC Type III), insulation detection, and optional AFCI. Complies with IEC 62109 - 1/2, ensuring safety under extreme conditions (e.g., lightning, short circuit).
Robust Environmental Adaptability, Global Scenario Compatibility
IP66 protection (dust - and - water - proof for heavy rain/sandstorms), max altitude 4,000m (derating above 2,000m), operating temperature -25℃ to 60℃ (derating above 45℃), and 0 - 100% humidity for coastal/humid areas. Natural cooling ensures stability in plateaus, deserts, and extreme climates (no degradation in - 25℃ winters or 60℃ summers).
Wall - mounted (470mm×360mm×172mm, 14.1 - 14.6kg) for easy single - person installation on residential/commercial roofs;
Standard Bluetooth + APP + LED display (LCD optional) with RS485/CAN (BMS), DRM/RS485 (meter), and optional Wi - Fi/LAN for remote monitoring. Flexible clustering improves operation efficiency by 60%+ (e.g., remote parameter setting, fault alerts).
Global Compliance + Long - term Warranty, Worry - free After - sales
Certified by IEC 62109 - 1/2 (safety), EN 50549 - 1 (EMC), etc., for markets like EU, US, Australia, New Zealand;
Optional 5 - year/10 - year warranty with free core component replacement, ensuring “global compliance + long - term quality assurance”.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2017
Total Annual:
15000000-16000000
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Shenzhen First Tech Co., Ltd was established in 2017, which is a one-stop solution provider of solar & battery energy storage system.First Tech is engaged in the research, development, production, sales and service of the commercial and industrial energy storage system, home energy storage syste... Shenzhen First Tech Co., Ltd was established in 2017, which is a one-stop solution provider of solar & battery energy storage system.First Tech is engaged in the research, development, production, sales and service of the commercial and industrial energy storage system, home energy storage syste...