70 watt solar panels
Peak Power Pm(W):18V/70W
Open Circuit Voltage Voc(V):21.40V
Short Circuit Current Isc(A):4.48A
Maximum Power Voitage Vm (V):17.5V
Maximum Power Current Im(A):4.00A
|Maximum Power(W) ||70W|
|Optimum Power Voltage(Vmp)||21.4V|
|Optimum Operating Current(Imp) || 4.00A|
|Open Circuit Voltage(Voc)||17.5V|
|Short Circuit Current(Isc)||4.48A|
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|| -0.435%|
|Temperature Coefficients of Voc||-0.35%|
|Temperature Coefficients of Isc||0.043%|
|Nominal Operationg Cell Temperature (NOCT)||47+/-2°C|
- Solar Panels are suitable for grid-tie or off-grid applications
- Outstanding electrical performance under high temperature and low irrandiance conditions
- Capable of withstanding 1 inch diameter hail traveling at terminal velocity
- Panel arrives ready for connection with an extra pair of MC4 Connectors for the extension cable
- 6 diodes in junction box; Colorful frame silver, black, dark brown...
Materials of solar panel
1).Solar Cell------Poly-crystalline 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.
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
1. Excellent safety performance:
No electrolyte leakage, battery swelling and cracking under normal use.
2. Good discharging performance:
With smooth discharging voltage and mild discharging platform.
3. Good shock-proof performance:
The fully charged and completely fixed battery, with 4mm amplitude and 16.7Hz frequency do have a normal open circuit voltage without leakage, batteries swelling or cracking problem after one-hour vibration.
4. Good impact-proof performance:
The fully charged battery is proved to maintian normal open circuit voltage and be without leakage or batteries swelling or cracking after droping three times from 20cm height naturally to a 1 cm-thick hardwood board.
5. Good resistance to overdischarge:
In temperature of 25 degrees Celsius, the fully charged battery discharges with fixed resistance which is equivalent to the one required by 1 CA discharge of the battery for three weeks, and it can restore capacity over 75%.
6. Good resistance to overcharge:
The fully charged battery is proved to maintian normal open circuit voltage and be without leakage or batteries swelling or cracking in temperature of 25 degrees Celsius after chargeing at 0.1 CA for 48 hours, and the capacity maintian over 95%.
7. Good resistance to high current:
The fully charged battery is proved to be without conductive part melted or any appearance deformation after discharging at 2 CA for 5 minutes or 10 CA for 5 seconds.
WHY CHOSE US
1. As a specialized manufacturer
We possess our own lead-plate production line, which is the core technology for Lead Acid Battery. Most important, we adopt advanced green formation technology, which can greatly decrease the effect to the environment comparing to the tank formation technology.
With high tin ratio inside the lead plate, we can greatly increase the battery life cycle.
2. As a qualified supplier in the world
We possess the following certificateISO9001--Issued by SGS, ISO14001--Issued by SGS, OHSAS 18001, CE, UL and TLCWith completely quality control system and production management system,we do control the product quality and production efficiency very well.
3. As a mid-scale manufacturer in China
As a 200 employees company, we can not only support you with quick delivery but also satisfy you with customized service.
4. As a 17 years history factory
We can support you esteemed company with experienced professional team and reputable market reputation.
Guangzhou JALON Battery Co., Ltd. is a professional manufacturer of all kinds of batteries with well-equipped testing euqipment and strong technical force.
Has Lead Acid, Gel & Deep cycle battery,inverter,UPS,solar generation system ,solar panel ,charger,controller...
Any question, please don't hesitate to contact us.