
Guangdong Techfine Electronic Co., Ltd, was founded in 1994, has been research, develop,produce and maintain UPS&Inverter&Solar System in China since 2003.
By now it is a company which set design, manufacture and sales enterprise which located in Foshan, Guangdong Province.
Techfine practices China's advanced manufacturing in the professional spirit of "ingenuity and precision", focusing on R&D and manufacturing of high-end industrial environment-friendly energy storage leadacid batteries, lithium batteries, uninterruptible power supplies, industrial emergency power supplies, solar inverters, solar energy systems and other three major sections of the product.
The business covers many countries around the world, and cooperates with customers all over the world.
At present, it maintains long term and stable cooperation with many merchants.
At present, it maintains long term and stable cooperation with many merchants.
MODEL | PA30210 | PA60415 |
System rated voltage | 12V/24V self-identification | 12V/24V/36V/48V self-identification |
Controlleroperating voltagerange | 9~32V | 10~64V |
Compatible battery types | custom/sealed battery/open battery/gel battery / lithium battery | |
Static loss | 0.7~1.2W | |
INPUT CHARACTERISTICS | ||
Rated charging power | 400W/12V | / |
800W124V | / | |
Maximum open-circuit voltage ofthe photovoltaic module | 100V(under minimum temperature conditions)90V(under 25°C conditions) | / |
Maximum power point operating voltage range | 18~100VDC/12Vsystem operating voltage 36~100VDC/24V system working voltage | / |
CHARGINGCHARACTERISTICS | ||
Charging characteristics | 30A | / |
Tracking efficiency | ≥99.9% | |
Maximum conversion efficiency | 85%~98%(rated power of 10%~100%) | |
Temperature compensation coefficient | -3mV/°C/2V | |
DC OUTPUT LOAD CHARACTERISTICS | ||
DCload output voltage | Same as battery voltage | |
DC load rated output current | 20A | |
USB output port | 5V/2A | |
DC load output voltage | Manual setting for normally open/normally closed, light source control mode, time period control mode | |
OTHER PROPERTIES | ||
Protection function | PV input reverse connection protection, battery input reverse connection protection,overcharge and overdischarge protection, overtemperature protection, input power limit protectioninput overvoltage protection,load overcurrent protection | |
Cooling method | Natural cooling | |
Communication | RS485/RS232 | |
Protection level | IP32 | |
Display Mode | HD segment screen | |
ENVIRONMENTAL PARAMETERS | ||
Operating temperature range | -20°C~+50°C | |
Storage temperature range | -40°C~+70°C | |
Relative humidity range | 0~90%RH | |
MECHANICAL PARAMETERS | ||
Dimensions | 220x200x72mm | / |
Recommended wiring | 11AWG/4mm2 | / |

Q:What products can we supply you?
A:Solar Panel, Inverter, Mounting Bracket, Battery, Pv Cable, Combiner Box, Pv Connector, Etc
Q:How is your technical support?
A:We have an engineering team on standby to assist you in resolving any issues, as well as local after-sales service points in key
areas such as Germany and the United States
Q:Delivery time? Warranty time?
A: Within 15 days,depends on air or sea or shipping you use.
3 to 5 years warranty. We would provide repair or replacement if quality problem.
Q: Do you accept ODM/OEM orders?
A:Yes, we can accept OEM/ODM, you can change the logo and function as you want.
Q:How to install and use the product?
A:We have the English teaching manual; every step of machine disassembly, assembly, operation will be sent to our customers. we
suggest you can find an installation company to help you.
Q:How about the after sales?
A:Damage in transit will be resolved according to the contract terms.
During the warranty period, if there is a problem with the product, our engineers will first propose a solution according to the
specific situation. If the product still has a problem, it will be refunded or replaced for free.
Q:Can we visit your factory?
A:Welcome to visit our factory to know more of each other.
We will pick you up from airport or train port.