ENF Ltd.

Dear Sir or Madam, We would like to request detailed information regarding the possibility of supplying the following items for our upcoming technical and educational projects. These materials are intended for use in photovoltaic training, IoT experimentation, and solar testing applications. 1. Mini Solar Module Kits (30 complete kits) Purpose: For the fabrication of small photovoltaic modules used in training, testing, or demonstration. Required components per kit: • 2000 units of 2BB monocrystalline half-cells • UV resin (16 kg) • Bus wire 5×0.2 mm and ribbon wire 0.6×0.15 mm • Soldering flux (20 units) • Soldering irons with tips (50 sets) • DC cables (red/black) • DC connectors (MC4 type or equivalent) 2. Arduino ESP32 IoT Kits (30 complete kits) Purpose: For electronic and Internet of Things (IoT) projects, mainly used for technical training and experimentation. Required components per kit: • ESP32 development board (WiFi/Bluetooth) • 0.96" OLED display • 830-point breadboard • Sensors: photoresistor, DHT11, HC-SR501 • Modules: infrared, 5 V relay, potentiometer • Basic components: LEDs, buzzers, resistors • Dupont jumper wires • Micro-USB cable • Push buttons 3. I-V Curve Analyzer 150 W + Irradiance Sensor Purpose: For photovoltaic system testing and educational use. Required features: • I-V curve analyzer with up to 150 W measurement capacity • Compatible irradiance sensor • Suitable for small PV modules and training setups • Data logging via USB or Bluetooth • Software for data visualization and analysis Information requested for all items: Availability – whether you can supply these items, fully or partially Technical specifications – data sheets, brand, model, etc. Commercial conditions – unit prices, delivery times, payment terms, warranty, and shipping details We thank you in advance for your cooperation and look forward to your prompt reply. Yours faithfully,

类型	对角线	客户位置	客户留言	日期	可售
单晶硅	182x182mm	马达加斯加	Dear Sir or Madam, We would like to request detailed information regarding the possibility of supplying the following items for our upcoming technical and educational projects. These materials are intended for use in photovoltaic training, IoT experimentation, and solar testing applications. 1. Mini Solar Module Kits (30 complete kits) Purpose: For the fabrication of small photovoltaic modules used in training, testing, or demonstration. Required components per kit: • 2000 units of 2BB monocrystalline half-cells • UV resin (16 kg) • Bus wire 5×0.2 mm and ribbon wire 0.6×0.15 mm • Soldering flux (20 units) • Soldering irons with tips (50 sets) • DC cables (red/black) • DC connectors (MC4 type or equivalent) 2. Arduino ESP32 IoT Kits (30 complete kits) Purpose: For electronic and Internet of Things (IoT) projects, mainly used for technical training and experimentation. Required components per kit: • ESP32 development board (WiFi/Bluetooth) • 0.96" OLED display • 830-point breadboard • Sensors: photoresistor, DHT11, HC-SR501 • Modules: infrared, 5 V relay, potentiometer • Basic components: LEDs, buzzers, resistors • Dupont jumper wires • Micro-USB cable • Push buttons 3. I-V Curve Analyzer 150 W + Irradiance Sensor Purpose: For photovoltaic system testing and educational use. Required features: • I-V curve analyzer with up to 150 W measurement capacity • Compatible irradiance sensor • Suitable for small PV modules and training setups • Data logging via USB or Bluetooth • Software for data visualization and analysis Information requested for all items: Availability – whether you can supply these items, fully or partially Technical specifications – data sheets, brand, model, etc. Commercial conditions – unit prices, delivery times, payment terms, warranty, and shipping details We thank you in advance for your cooperation and look forward to your prompt reply. Yours faithfully,	2025-10-08	可售

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