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Product advantages: 1. All-in-one design, high integration and space saving installation; 2. Using high-performance lithium iron phosphate cells, laser welding, good cell consistency, designed service life of more than 10 years; 3. Charging and discharging are controlled separately, which is convenient and reliable to control charging and discharging. The discharge port will not be disconnected when over-charging, and the charging port will not be disconnected when over-discharging, the system has good stability; 4. Master-slave mode, passive equalization, can manage the equalization resistance, can set the equalization start voltage difference, and monitor the equalization resistance temperature, more intelligent and safe, and reduce the impact of barrel effect on system energy storage; 5. BMS adopts NXP(USA) automotive-grade high-performance chips, with strong anti-interference, good reliability and wide temperature range; 6. CAN2.0 communication interface, has the advantages of strong real- time performance, long transmission distance, strong anti-electromagnetic interference ability; 7. System parameters can be set through the host computer, such as fan start/stop temperature, charger maximum current setting, charge and discharge current correction, SOC correction, with insulation leakage detection function to prevent oil leakage and short circuit of the cell; 8. Integrate solar controller, AC charger, BMS communication control, more safe and reliable; 9. Cell temperature management, can be automatically controlled with the air conditioner heater according to the cell condition to make the cell works at the most suitable temperature, and can be linked with the fire protection system as needed More information:https://www.alibaba.com/product-detail , /Removable-and- stackable-installation-Lithium- , Iron_1600516714897.html? spm=a2700.shop_index.8 , 9.8.7b4d7ffbA9auig

Minimum Order: 1 bags

Bangzhao Electric ESS lithium battery system is composed of lithium battery modules, BMS system, PV charge controller or AC/DC Charger, central control unit CCU, temperature detector, integrated structure and other parts; the solar panels in the system are battery storage and power for output; BMS module completes the detection and control of voltage, current, temperature, SOC, SOH and charging and discharging related parameters of power battery pack; photovoltaic controller and inverter realize bidirectional AC/DC function to meet the charging and discharging conversion demand of power battery pack; each detector is used to monitor the ambient temperature in real time to ensure the safety of the system. 1) Bangzhao Company’s BMS battery management system uses automotive-grade RAM, AD sampling chip, stable and reliable performance, and a 5-inch high- definition touch screen, which is simple and convenient to operate. 2) The power inverter adopts the imported Mitsubishi sixth-generation IPM intelligent power module design scheme, with power frequency isolation, simple structure, low failure rate and high efficiency. 3) The solar controller adopts IGBT module design, PWM algorithm, stable and reliable charging efficiency, and can be linked with the BMS system to strengthen the protection of the battery. 4) The solar combiner box adopts DC 1000v, with LED indicating fuse holder, DC professional surge protector, and high-power anti-reverse module. (optional) 5) The product communicates with the monitoring platform in real time through RS232, CAN communication interface, and reports various records in time to ensure real-time monitoring of the battery pack of the monitoring platform 6) The system software supports remote and local upgrade functions 7) 6000 cycles life span is more than 10 years 8) 30kwh to 1000kwh can customizable production 9) The color and size of the case can be customized according to requirements and OEM

Minimum Order: 1 bags

PV Off-grid Solar Power System PV Off-grid Solar power generation system including solar panel array, solar charge controller, lithium storage battery, Off-grid inverter, etc. In the sunshine, the solar panel convert the solar energy to DC power and charge the battery group by the charge controller. Then the off grid inverter convert the DC power into AC power for power supply the AC load. https://www.alibaba.com/product-detai , l/IP45-outdoor-solar-energy-lithium- storage_16 , 00317530135.html?spm=a2700.shop_index.89.4.72d67ff , bRniTZh IP45 outdoor solar energy lithium storage hybrid inverter 40KW solar controller 50A AC/DC lithium battery charger 20A all in one Zhejiang Bangzhao Electric Co., Ltd. Solar lithium battery energy storage hybrid system includes lithium iron phosphate battery module, BMS, solar controller, AC-DC charger,Pure sine wave inverter, central control unit CCU, temperature detector, integrated structure, etc. The solar panels in this system are used for battery storage and power output; The BMS module completes the detection and control of the voltage, current, temperature, SOC, SOH, and charging and discharging related parameters of the power battery pack; The BMS system monitors the photovoltaic or solar cells according to the battery condition. The mains charging is controlled to maximize the protection of battery charging and discharging performance. The sine wave inverter realizes DC to AC conversion to achieve DC conversion. Each detector is used to monitor the ambient temperature in real time to ensure the safety of the system. Centralized communication displays all the data of the system in an LCD touch screen.

Minimum Order: 1 bags

Model SJW-40KVA SJW3-40KVA(Third generation ) Rated capacity 40KVA Input voltage Three phase 200-450V Output voltage Three phase 220V±1%-3% The output voltage accuracy can be set; Output waveform Sine wave, no additional waveform loss Setting function Output voltage accuracy, over-voltage protection, under-voltage protection, over-temperature protection, overload protection can be set by the panel keys Protective function With over-voltage, lack of phase detection, over-temperature, overload protection and under-voltage warm function, short circuit protection Overvoltage protection value Output voltage 242V±4V Undervoltage protection value Output voltage 198V±4V, regularly not set undervoltage protection Load power factor 0.8 Adjust time When the voltage change by10%<1S Waveform distortion No additional waveform distortion Dielectric strength 1500V/1min Insulation resistance Three phase >2MΩ Dimension 460*422*880mm , Package size 470*510*980mm Insulation level Class E Work efficiency >95% Working frequency 50/60HZ Overload capacity 1 times rated current for 40 seconds Insulation resistance Three phase >2MΩ Insulation class Class E Working environment Temperature :-10℃ to +40℃, Humidity: <95% Temperature rise ≤60°

Minimum Order: 1 bags

Customized ESS 92Kwh solar energy storage system 3.2V 202AH 144S LiFePO4 batteries rack storage with MPPT solar charger https://www.alibaba.com/product-detail/ , Customized-ESS-92Kwh-solar-energy- storage_1600 , 826861676.html?spm=a2700.shop_index.89.2.7b4d7ffbA , mkYor Product advantages: 1. All-in-one design, high integration and space saving installation; 2. Using high-performance lithium iron phosphate cells, laser welding, good cell consistency, designed service life of more than 10 years; 3. Charging and discharging are controlled separately, which is convenient and reliable to control charging and discharging. The discharge port will not be disconnected when over-charging, and the charging port will not be disconnected when over-discharging, the system has good stability; 4. Master-slave mode, passive equalization, can manage the equalization resistance, can set the equalization start voltage difference, and monitor the equalization resistance temperature, more intelligent and safe, and reduce the impact of barrel effect on system energy storage; 5. BMS adopts NXP(USA) automotive-grade high-performance chips, with strong anti-interference, good reliability and wide temperature range; 6. CAN2.0 communication interface, has the advantages of strong real- time performance, long transmission distance, strong anti-electromagnetic interference ability; 7. System parameters can be set through the host computer, such as fan start/stop temperature, charger maximum current setting, charge and discharge current correction, SOC correction, with insulation leakage detection function to prevent oil leakage and short circuit of the cell; 8. Integrate solar controller, AC charger, BMS communication control, more safe and reliable; 9. Cell temperature management, can be automatically controlled with the air conditioner heater according to the cell condition to make the cell works at the most suitable temperature, and can be linked with the fire protection system as needed

Minimum Order: 1 bags

Bangzhao Electric ESS lithium battery system is composed of lithium battery modules, BMS system, PV charge controller or AC/DC Charger, central control unit CCU, temperature detector, integrated structure and other parts; the solar panels in the system are battery storage and power for output; BMS module completes the detection and control of voltage, current, temperature, SOC, SOH and charging and discharging related parameters of power battery pack; photovoltaic controller and inverter realize bidirectional AC/DC function to meet the charging and discharging conversion demand of power battery pack; each detector is used to monitor the ambient temperature in real time to ensure the safety of the system. https://cnbangzhao.en.alibaba.com/p , roduct/1600283342902- 824201543/105ah_210ah_280 , ah_3_2v_Lithium_Lifepo4_battery_cell_rechargeable_ , b attery_charger_energy_storage_cabinet_with_BM , S.html? spm=a2700.shop_index.85.10.7b4d7ffbGX3g , Ei

Minimum Order: 1 bags

Technical Features for Solar oil pumping systems 3 phase 127/220VAC 60Hz wide voltage 450-900VDC PV input off grid power inverter: 1.Using the fifth generation efficient IPM intelligent module from Japanese Mitsubishi, It withpowerful protection function for short circuit, over load and over temperature which is more safe and reliable.Longer service life can up to 15-20 years or more. 2. Intelligentized, modularized and simple structure design, very easy and convenient for maintenance. 3. Two kinds of start mode: Step Down Voltage Start and Variable Frequency Start. Variable Frequency Start is suitable for inductive load with big instant inrush current(such as motor), inverter’s power not need enlarge too many times when take motor induction load. This function save the cost of frequency converter’s usage, easy to connect wires and control. 4. The output frequency 50Hz/60Hz can be set via LCD panel. 5. The output voltage can be set between -40 % to +20 % of rated voltage. And the accuracy of output voltage is very high less than 1%. 6. The DC input voltage range can be set. over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point and under voltage recovery time all can be set via the LCD panel.Convenient for increasing or reducing the quantity of batteries and solar panel in the future. 7. Wide input voltage can be selected from 100-400v or 300-850v. This wide voltage inputoff grid inverter can work without battery and solar charge controller, which save battery cost and same like with MPPT function can maximum make full use of solar power. 8.Pure sine wave output. with good transient response less than 50MS, little harmonic distortion, higher conversion efficiency and stable output voltage. 9. Low frequency transformer, which ensure the AC busbar and DC busbar are completely isolated, inverter with higher efficiency >94% and very little no-load loss. 10.Powerful data display and fault instruction function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display. 11. AC bypass input function optional: Battery Power Priority or AC Bypass Priority work mode can be set. 12. RS485 remote monitoring function optional 13. Solar charge controller and AC to DC battery charger built in optional for customer 14. Can be customized to customer’s specification. More information: https://www.alibaba.com/product-de , tail/Solar-oil-pumping-systems-3- phase_1600266 , 881138.html?spm=a2700.shop_index.84.18.7b4d7ffbwjF , iJK [Optional] · RS485 remote monitoring · AC Bypass input · Built in solar charge controller and AC to DC battery charger

Minimum Order: 1 bags

50KW 60KW 80KW Hybrid Off Grid Inverter Working Without Batteries single ph 1.Using the sixth generation efficient IPM intelligent module from Japanese Mitsubishi, It withpowerful protection function for short circuit, over load and over temperature which is more safe and reliable.Longer service life can up to 15-20 years or more. 2. Intelligentized, modularized and simple structure design, very easy and convenient for maintenance. 3. Two kinds of start mode: Step Down Voltage Start and Variable Frequency Start. Variable Frequency Start is suitable for inductive load with big instant inrush current(such as motor), inverter’s power not need enlarge too many times when take motor induction load. This function save the cost of frequency converter’s usage, easy to connect wires and control. 4. The output frequency 50Hz/60Hz can be set via LCD panel. 5. The output voltage can be set between -40 % to +20 % of rated voltage. And the accuracy of output voltage is very high less than 1%. more information: https://www.alibaba.com/product-de , tail/50KW-60KW-80KW-Hybrid-Off- Grid_1600548135 , 259.html?spm=a2700.shop_index.84.16.7b4d7ffbwjFiJK , 6. The DC input voltage range can be set. over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point and under voltage recovery time all can be set via the LCD panel. Convenient for increasing or reducing the quantity of batteries and solar panel in the future. 7. Wide input voltage can be selected from 100-400v or 300-850v. This wide voltage inputoff grid inverter can work without battery and solar charge controller, which save battery cost and same like with MPPT function can maximum make full use of solar power. 8.Pure sine wave output. with good transient response less than 50MS, little harmonic distortion, higher conversion efficiency and stable output voltage. 9. Low frequency transformer, which ensure the AC busbar and DC busbar are completely isolated, inverter with higher efficiency >94% and very little no-load loss. 10.Powerful data display and fault instruction function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display. 11. AC bypass input function optional: Battery Power Priority or AC Bypass Priority work mode can be set. 12. RS485 remote monitoring function optional 13. Solar charge controller and AC to DC battery charger built in optional for customer 14. Can be customized to customer’s specification. [Optional] • RS485 remote monitoring • AC Bypass input • Built in solar charge controller and AC to DC battery charger

Minimum Order: 1 bags

Performance characteristics: 1. Small size and light weight, Maintenance-free; 2. Environmental protection and pollution-free materials, no heavy; 3. Accurately estimate the state of charge of the battery pack, that is, the remaining power of the battery, to ensure that the power of the battery pack is maintained within a reasonable range; 4. Built-in BMS management system with comprehensive protection and monitoring control functions; 5. 5" LCD screen display, easy to operate, can check the temperature, voltage, working status, discharge current, dynamic and static SOC algorithm of a single cell, local display of alarm info, alarm level distinction, accurate positioning of abnormal cells; 6. Main control MCU can be centrally controlled and manage peripheral settings (AC charging module, inverter module, solar charging module) to adjust the charging current and voltage of peripheral devices according to the battery charging curve, making the system more reliable; 7. BMS battery management system, with SOC automatic calibration and high current passive balance function, combined with perfect operation control and management strategy, to achieve accurate and efficient management; MORE INFORMATION:https://www.alibaba.com/product-detail , /Lifepo4-cells-3- 2v- battery-Lithium_160067 , 1054 , 824.html? spm=a2700.shop_index.82.15.72d67ffbRn , iTZh , 8. EMS energy management system, BMS with solar controller/AC charger, inverter centrally manages charge and discharge, effectively controls the charge and discharge current within the cell usage conditions, protects the cell and extend its service life;

Minimum Order: 1 bags

lithium battery storage charging and discharging system for High voltage El https://cnbangzhao.en.alibaba.com/produc , t/1600478005389- 824201543/lithium_battery_stor , age_charging_and_discharging_system_for_High_v , , oltage_Electric_car_storage_bank.html? spm=a270 , 0.shop_index.85.3.7b4d7ffbGX3gEi 1) Bangzhao Company’s BMS battery management system uses automotive-grade RAM, AD sampling chip, stable and reliable performance, and a 5-inch high- definition touch screen, which is simple and convenient to operate. 2) The power inverter adopts the imported Mitsubishi sixth-generation IPM intelligent power module design scheme, with power frequency isolation, simple structure, low failure rate and high efficiency. 3) The solar controller adopts IGBT module design, PWM algorithm, stable and reliable charging efficiency, and can be linked with the BMS system to strengthen the protection of the battery. 4) The solar combiner box adopts DC 1000v, with LED indicating fuse holder, DC professional surge protector, and high-power anti-reverse module. (optional) 5) The product communicates with the monitoring platform in real time through RS232, CAN communication interface, and reports various records in time to ensure real-time monitoring of the battery pack of the monitoring platform 6) The system software supports remote and local upgrade functions 7) 3000 cycles life span is more than 10 years 8) 30kwh to 1000kwh can customizable production 9) The color and size of the case can be customized according to requirements and OEM

Minimum Order: 1 bags

Rectifier AC to DC battery charger Cabinet from 20A~300A/150V~1000VDC wide voltage range https://www.alibaba.com/product-detail/Re , ctifier-AC-to-DC-battery- charger_1600095529880 , .html?spm=a2700.shop_index.82.5.7b4d7ffbwjFiJK , Rectifier AC to DC battery charger Cabinet from 20A~300A/48V~1000VDC wide voltage range BEG Series battery charger is developed specially by Zhejiang Bangzhao Electric Co.,Ltd for DC battery system charging station. With single phase AC input, it has the advantages of high efficiency, high power density and low harmonic. --Solar-Wind Power System / City Grid (On/Off) / Community and Family --Telcom Base / CATV system / Computer Server Center / Medical Instrumnt / Military Equipment --Security and Electronics / Mobile POS, Mining Lihgt / Torch / LED Light / Emergency Light --RV Motorhome /Golf Carts Battery / Boat Marine Yachts / Electric Skateboard / Electric bike / Electric Scooter / Electric bicycle --LED Backup / Engine Starting Battery,etc.

Minimum Order: 1 bags

30KV,50KV,80KV,90KV Ultra Low Frequency VLF Hipot Tester,high voltage gener https://www.alibaba.com/product-detail/30 , KV-50KV-80KV-90KV-Ultra- Low_1600101895358.html , ?spm=a2700.shop_index.86.2.7b4d7ffbwjFiJK 30KV, , 50KV,80KV,90KV Ultra Low Frequency VLF Hipot Tester,high voltage generator withstand tester Product Description BVLF (Very Low Frequency) Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus. The product combines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost. The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output sinusoidal wave form. The printer outputs test reports. In addition, the product has features as follows: Features Large touch screen：It adopts 7-inch touch screen and the latest ARM7 microcontroller. Advanced technology：Using digital frequency conversion technology, microcomputer control, step-up, step-down, measurement, protection and other testing processes are fully automated. Easy to operate：The wiring is simple and fool-proof operation. Comprehensive protection: Multiple protections (overvoltage protection, high and low voltage side overcurrent protection), rapidaction (action time ≤ 10ms), the instrument is safe and reliable. Safe and reliable：The controller and the high-voltage generator are connected with low voltage, photoelectric control, safe and reliable to use. High and low voltage closed loop circuit：High and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity increase effect. Complete configuration：Capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing. Large test range：0.1Hz,0.05Hz and 0.02Hz Multiple frequency selection, large test range. Small size and light weight：Very conducive to outdoor operations. Chinese-English switching function：Chinese-English switching, using imported high-voltage electronic switch to switch polarity. High-speed AD acquisition circuit, and equipped with USB background management software. Longer life and lower failure rate. Output frequency：0.1Hz，0.05Hz，0.02Hz Load capacity： 0.1Hz max 1.1μF 0.05Hz max 2.2μF 0.02Hz max 5.5μF Measurement accuracy：3% Voltage positive and negative peak error：≤3% Voltage waveform distortion：≤5% Conditions of Use：indoor，outdoor； Temperature：-10℃- , +40℃ Humidity：≤85%RH Power：110KV-260 , KV(+-5%)

Minimum Order: 1 bags

IP45 outdoor off alone energy system high power sine wave inverter for wind controller system https://www.alibaba.com/product-deta , il/IP45-outdoor-off-alone-energy- system_160038 , 4522750.html?spm=a2700.shop_index.89.10.7b4d7ffbGX , 3gEi Inverter-Controller One Machine Our BZPC series Inverter-Controller One Machine is one of the most advanced DC to AC conversion products in the world, it is suitable use for areas without electricity, vehicles, ships, solar energy, wind turbine and other renewable energy systems and etc, can supply power and provide guarantee effectively for the areas with traffic inconveniences, in the mountains, pastoral, border, island and other areas without electricity. It has the main advantages of high quality sine wave AC output, microcomputer control, humanness design, and it is high efficiency and low no-load loss, and no pollution. The inverter can also supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply.

Minimum Order: 1 bags

High-power charger-smart lithium battery charger-constant current and constant voltage charger BEG Series Smart battery charger is developed specially by Zhejiang Bangzhao Electric Co.,Ltd for DC battery system charging station. With single phase AC input, it has the advantages of high efficiency, high power density and low harmonic. Feature: 1, Hot plug ,convenient maintenance 2,Advanced current sharing technology 3, Control of input limited power 4, Control of output constant power 5, Temperature limited power 6, Regulation of output current limiting point and Regulation of output voltage 7,Fan control is built-in processor of the module can regulate the speed of the fan according to the internal temperature and output current of the module. 8, Multiple protection functions, such as protection of input overvoltage/ voltage shortage,Output overvoltage protection,over temperature protection,short circuit protection,protection of internal bus fault,protection against fan fault 9, Interruption of background communication 10,Monitoring performance 11,Modular design,N+1pcs backup 12, High efficiency,up to 95% 13，Intuitive display by LCD screen More information:https://cnbangzhao.en.alibaba.com/prod , uct/1600188083514- 803922606/High_power_charger , _smart_lithium_battery_charger_constant_curren , t_ and_constant_voltage_charger.html?spm=a2700. , shop , _index.89.3.7b4d7ffbA9auig

Minimum Order: 1 bags