Low price for Poly-crystalline Solar Panel 250W for Ukraine
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Poly-crystalline Solar Panel 250W
Technical parameter
Maximum Power(W) 250W
Optimum Power Voltage(Vmp) 30.25V
Optimum Operating Current(Imp) 8.26A
Open Circuit Voltage(Voc) 36.61V
Short Circuit Current(Isc) 8.89A
Mechanical Characteristics
Cell Type Polycrystalline 156x156mm (6 inch)
No of Cell 60 (6x10pcs)
Dimensions 1640x990x40mm
Weight 18.5KGS
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Junction box IP65 Rated
Output Cable TUV 1×4.0mm2/UL12AWG,Length:900mm
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 15A
Temperature Coefficients of Pmax: -0.47%
Temperature Coefficients of Voc: -0.389%
Temperature Coefficients of Isc: 0.057%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Polycrystalline solar cell 156*156mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
In this video, we will test how well a bilge pump from a boat will work when powered by a small solar panel system. Since it is 12v it should work just fine.
Irrigation
Green top drip caps: https://goo.gl/sDQbX5
Round Coco/soil drip tops: https://goo.gl/1WkLzY
$7 drip line splitter adjustable: https://goo.gl/1rT7Yj
$18 drip line splitter cleanable: https://goo.gl/TOjTqg
Cleanable Inline strainer for hydro pumps: https://goo.gl/HkPtYM
Cheap DC controllable hydro pump: https://goo.gl/LjXvTz
Res float valve RO: https://goo.gl/5KLl26
Nutrients I use:
Canna Coco A&B 5L: https://goo.gl/cbtig7
Recharge Microbe package: https://goo.gl/JaodQM
Nectar liquid bone meal: https://goo.gl/v48Cv8
Rock Resinator: https://goo.gl/YgNqQY
Terpinator: https://goo.gl/VvDMqY
My favorite CALmag: https://goo.gl/evn77D
Cheaper Roots excell replacement: https://goo.gl/XsS3xv
Cheaper Enzyme than Hygrozyme (just as good): https://goo.gl/9N1TwS
Great Silicate supp: https://goo.gl/RqXwYy
MammothP – PO4 liberating bacteria: https://goo.gl/jD9Z9m
DIY LED parts
best wire for COB holders: https://goo.gl/zjMXfc
crimp connectors: https://goo.gl/tjC5Iu
LED driver AC pwr switch: https://goo.gl/0KIFWS
Whole circuit power monitor: https://goo.gl/Siy7Gr
Remote LED driver to COB wire (4 conductor): https://goo.gl/1leXmr
Sexy little waterproof connectors: https://goo.gl/tnVTM0
Water Resistant ABS project box (diy connections): https://goo.gl/0fFjqm
Best 4-40 thread tapper: https://goo.gl/ecwxPb
Best metal tap, drill, cutting lube: https://goo.gl/9hsOrV
Stainless COB holder screws 4-40: https://goo.gl/dEHZIC
AC driver power port: https://goo.gl/3qJiDW
AC Daisy chain female port: https://goo.gl/620niF
AC Daisy chain cord: https://goo.gl/U7Acv4
DC power barrel connectors: https://goo.gl/mq2rn4
285w LED cannabis grow light in a 4×4 tent, yielding 521g in 9 weeks. Strain “La Blanca” great white shark cross. This video features full build and flower cycle including harvest and yield report. Nutrients: Real Growers’ RECHARGE, Canna Coco A/B base, Biocozym, mendo avalanche by GrowMore, PK boost: advance nutrients Overdrive, foliar spray: Optic foliar full line & Heavy16 foliar.
