Dalian Powtran Technology Co., Ltd

Variable Frequency Drives

Characteristics: Rated voltage: 3.6/3.7/3.8/3.85 V Standard discharge continuous current: 0.2C Maximum continuous discharge current: 0.5C Working temperature: Charging: 0-45 Degree Discharge: -20~60 Degree Finished product internal resistance:

VRLA batteries are including three main types Absorbed Glass Mat AGM and Gel batteries and Tubular battery They are frequently utilized in uninterruptible power supply UPS systems emergency lighting installations and telecommunication equipment where continuous and hasslefree functionality is imperative Additionally VRLA batteries find extensive application in electric vehicles renewable energy systems and other contexts that necessitate a reliable and secure energy storage solution Advantages MaintenanceFree Operation Sealed Construction Enhanced Safety Versatile Applications Long Service Life Improved Efficiency Environmental Friendliness Higher Voltage Output Faster Recharge Rates Slower Discharge Rates Higher Capacity Range Economical

Characteristics Rated Voltage:1.2V Charging Voltage:1.4-1.45V Termination Voltage:0.9-1.0V Energy/weight:60-120 Wh/kg Energy/Volume140-300 Wh/L Power/Weight:250-1000 W/kg Selfdischarge Rate: Generally 20-30% per month Charging and Discharging efficiency:66% Number of Charging and Discharging cycles: 500-5000 Times Advantages:High Energy Density, Efficient at Highrate Discharges, Long Cycle Lif,e Wide Temperature Usage Range, Stable Electrochemical Characteristics, Pollutionfree Green Battery, No Memory, Effect Lower Costs, Good Safety Performance. Applications:Solar Lighting Emergency, Lighting Hightemperature Lamps, Car mounted TBOX, Car OBD, ECALL system Electric Tools, Medical Equipment, Vacuum Cleaner Shaver, Electric Toothbrush, Electric Toy Battery, Game Console Handle.

Characteristics: Rated voltage: 3.6/3.7/3.8/3.85 V Standard discharge continuous current: 0.2C Maximum continuous discharge current: 0.5C Working temperature: Charging: 0-45 Discharge: -20~60 Finished product internal resistance:

SANDI SDP series Pure Sine Wave Inverter is the one of the most advanced technology DC to AC conversion products in the world, it's suitable use for areas without electricity, providing a complete power solution for strict demand applications. With SVPWM technology it has high conversion efficiency, high instantaneous power and low losses power output pure sine wave, applying to capacitive, inductive and nonlinear mixed-load, with superior load capacity, perfect protection function: overload, short circuit, low/over battery voltage, improper operation etc, which won't cause mechanical failures. This Inverter is very suitable for solar power systems, wind power generation systems, wind and solar hybrid generation systems. The inverter can supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply. Technical Features: 1, The core components are all imported, adopting the sixth generation IPM module from Mitsubishi, which has stable performance, long service life, strong protection functions and convenient replacement and maintenance. 2, Adopt the central processor DSP28335 chip from American TI Company, respond quickly and accurately, and provide stable and clean power for the load to provide protection. 3, The whole machine adopts modular design and plug-in design, which is convenient for maintenance. 4, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. 5, The output voltage can be set between -40% to +20% of rated voltage. 6, The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel. 7, Output AC Power is suitable for all types of electrical equipment, CNC machines, electric tools, motors, pump and air conditioner etc. It has higher efficiency and higher capability of driving load. 8, Humanized safety design, using isolation transformer design, input and output are completely electrically isolated, input and output are equipped with circuit breakers, which saving costs for the user and easy to installation. 9, Wide input voltage can be set according to customerâ??s requirement. Input voltage range can be selected from 100-300V, 300-500V or 500-850V, suitable for solar system without backup batteries, it can save many cost and maximization use the solar energy. 10, Using SVPWM space vector algorithms, high conversion efficiency, high instantaneous power and low losses conversion efficiency up to 94%. 11, Powerful data display function. LCD + LED display, can display input and output voltage, current, KWH, fault display, convenient for customers to quickly find faults and guide maintenance. 12, European CE (EMC, LVD, UL1741) and ISO9001 certificates.

SANDI SDP series Pure Sine Wave Inverter is the one of the most advanced technology DC to AC conversion products in the world, it's suitable use for areas without electricity, providing a complete power solution for strict demand applications. With SVPWM technology it has high conversion efficiency, high instantaneous power and low losses power output pure sine wave, applying to capacitive, inductive and nonlinear mixed-load, with superior load capacity, perfect protection function: overload, short circuit, low/over battery voltage, improper operation etc, which wonâ??t cause mechanical failures. This Inverter is very suitable for solar power systems, wind power generation systems, wind and solar hybrid generation systems. The inverter can supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply. Technical Features: 1, The core components are all imported, adopting the sixth generation IPM module from Mitsubishi, which has stable performance, long service life, strong protection functions and convenient replacement and maintenance. 2, Adopt the central processor DSP28335 chip from American TI Company, respond quickly and accurately, and provide stable and clean power for the load to provide protection. 3, The whole machine adopts modular design and plug-in design, which is convenient for maintenance and reduces the hidden cost of machine failure to repair. 4, According to the product configuration conditions, adjustment the system usage mode: DC(Battery/Solar) priority or AC mains bypass priority can be set. 5, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. 6, The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy �±1%. 7, The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel. 8, Output AC Power is suitable for all types of electrical equipment, CNC machines, electric tools, motors, pump and air conditioner etc. It has higher efficiency and higher capability of driving load. 9, Humanized safety design, using isolation transformer design, input and output are completely electrically isolated, input and output are equipped with circuit breakers, which saving costs for the user and easy to installation, the electric parts are completely closed to prevent electric shock. 10, Powerful data display function. LCD + LED display, can display input and output voltage, current, KWH, fault display, convenient for customers to quickly find faults and guide maintenance. 11, European CE (EMC, LVD, UL1741) and ISO9001 certificates.