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Shenzhen First Tech Co., Ltd.

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China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar

  1. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
  2. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
  3. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
  4. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
  5. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar
  6. China Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar

Single Phase 48V 3kw 3.6kw 4.6kw 5kw 6kw Hybrid Inverter IP65 On/off Grid Solar

  1. MOQ: 1 piece
  2. Price: To be negotiated
  3. Get Latest Price
Payment Terms L/C, T/T
Supply Ability 2000 pieces per month
Delivery Time 30 days
Packaging Details carton box
Charging Mode MPPT
Operating Temperature -10°C To 50°C
Inverter Type Off Grid inverter
Frequency 50Hz/60Hz
Output Voltage 48VDC
Communication Interface RS485/CAN/USB
Brand Name 1stess
Model Number SP3K68L
Certification CE, IEC
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Supply Ability 2000 pieces per month
Delivery Time 30 days Packaging Details carton box
Charging Mode MPPT Operating Temperature -10°C To 50°C
Inverter Type Off Grid inverter Frequency 50Hz/60Hz
Output Voltage 48VDC Communication Interface RS485/CAN/USB
Brand Name 1stess Model Number SP3K68L
Certification CE, IEC Place of Origin China
High Light IP65 48V Solar InverterOff Grid 48V Solar InverterDual MPPT 48V Solar Inverter

Product Features:

1.LCD touch color screen, easy to operate

 

2.Support high power PV panel with 18A PVinput current

 

3.Max battery charge/discharge current of 135A

 

4.Support generator/smart load/Ac coupling

 

5.Support up to 9pcs in parallel

 

6.Compact and lightweight, easy to transport and space-saving

 

MODEL
SP3KL
SP3K6L
SP3K68L
SP4KL
SP5KL
SP6KL
Nominal Battery Voltage
48VDC
Mounting Method
Wall Bracket
Battery Type
Lithium-ion/Lead-acid
Nos.of MPPT
2
2
2
2
2
2
Rated Grid Voltage
220V/230V/240V,L+N+PE
Battery Voltage Range
40V-65V
40V-65V
40V-65V
40V-65V
40V-65V
40V-65V
Rated Grid Frequency
50Hz/60Hz
Transfer Time
10ms (typical)
Max.AC Apparent Power
3,300VA
3,960VA
3,680VA
4,600VA
5,500VA
6,600VA
Protection Degree
IP65
IP65
IP65
IP65
IP65
IP65
Nominal AC Output Power
3000W
3600W
3680W
4000W
5000W
6000W
Weight
16Kg
16Kg
16Kg
16Kg
16Kg
16Kg
Dimensions (W*H*D)
367mm*421mm*215mm
Warranty
5 Years/10 Years (Optional)
Display
LED,LCD

Technical Parameters:

Summary of Core Advantages for SP Series Inverters:

1. Benchmark Energy Efficiency: Minimize Energy Conversion Loss

  • PV to AC Conversion: Max. Efficiency reaches 97.3%, European Efficiency is 96.8%; BAT to AC Conversion efficiency is 94.3%. Value: Industry - leading energy conversion efficiency significantly reduces energy loss in PV and energy storage systems, saving electricity costs and enhancing energy utilization value during long - term operation.

2. Flexible PV Input: Efficient Power Generation in All Scenarios

  • Power & Voltage Coverage: Max. PV Input Power is up to 10,000W (suitable for large - scale PV arrays), Max. PV Voltage is 550V (compatible with high - voltage modules), and Start - up Voltage is as low as 90V (quick start in low - light or dawn/dusk periods).
  • Intelligent MPPT Tracking: MPPT Voltage Range is 70V - 540V (wide - range capture of solar power), with dual MPPT design and 1 string per MPPT (precisely track maximum power point even in complex shading or multi - module parallel scenarios). Value: From “small - scale residential” to “large - scale commercial”, and from “direct strong light” to “partial shading”, it ensures PV power generation efficiency in all scenarios and maximizes power generation revenue.

3. Compatible with Diverse Energy Storage: Fast, Accurate, and Stable Charging/Discharging

  • Dual Battery Compatibility: Supports both Lithium - ion and Lead - acid batteries, seamlessly integrating with existing and new energy storage systems.
  • Flexible Voltage & Power Regulation: Nominal Battery Voltage is 48V, Battery Voltage Range is 40V - 65V (compatible with different capacity/brand batteries); Max. Charging/Discharging Current ranges from 75A to 135A, and Max. Charging/Discharging Power reaches 4,000W to 6,600W (e.g., the SP6KL model achieves 135A/135A and 6,600W/6,600W, quickly responding to time - of - use electricity prices and power outage emergencies). Value: It is compatible with existing energy storage assets and efficiently supports scenarios such as “peak shaving & valley filling” and “emergency power supply”, making the energy storage system “easy to use, durable, and practical”.

4. Stable AC/DC Output: Reliable Grid - connected/Off - grid Operation with “Clean Electricity” Quality

  • Grid - connected Mode: Nominal AC Output Power ranges from 3,000W to 6,000W, Max. AC Apparent Power is 3,300VA - 6,600VA; Output Voltage is compatible with 220V/230V/240V (suitable for global grids), Frequency is adjustable between 50Hz/60Hz, Power Factor >0.99 (@rated power), and Total Harmonic Current Dist.

Company Details

Bronze Gleitlager

,

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 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...

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  • Shenzhen First Tech Co., Ltd.
  • 1404-1405A Tower A, Huahai Financial Creative Center,No.5073 Menghai Avenue,Qianhai Shenzhen-Hong Kong Cooperation Zone,Shenzhen,China
  • https://www.1stess.com/

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