C-tech United Corp.

Commodity: Lithium L20 Origin: Brazil Port of Shipment: Bahia Port Monthly Quantity: 50,000 MT per month Packing: Bulk Duration of Contract: 12 months minimum Delivery Time: 30 days Unit Price: FOB 2.150 Euros Lithium content between 3% to 5%. FOB 2.580 Euros contenido de Litio entre 5% a 7% Insurance: 110% Performance bond: 2% Payment method: Letter SBLC is unconditional, assignable, divisible, transferable and irrevocable.

Basic Info. Model NO. LFP51.2-300 Electrolyte LiFePO4 Color White Usage Solar/ Marine/ Telecom / Electric Mobility Warranty 3 Years OEM/ODM Acceptable Package Carton and Pallet Lead Time 20-30 Days Dimension 720*260*580mm Transport Package Wooden Case Specification 120kg Trademark PUSTUN Origin China HS Code 8507600090 Production Capacity 5000 Product Description Product Description Factory Wholesale Deep Cycle 51.2V300ah Lithium Ion Batteries LiFePO4 Lithium iron phosphate battery is a kind of lithium ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. It has the advantages of high working voltage, high energy density, long cycle life, good safety performance, low self-discharge rate and no memory effect. Pustun lithium iron phosphate battery is your best power choice for energy storage system of solar street light. This LFP series battery is specifically designed for solar street light application, which has more than 10 years service life; LFP series batteries are the best choice for the durable, safe, environment-friendly energy solution and they can be customized according to your requirement, such as dimension, voltage, capacity of battery. With an increased lifespan, this battery can save you much cost against frequent battery replacement. The working life of lithium battery especially under the outdoor high temperature environment is five times longer than the traditional lead acid battery. Product Parameters Nominal Voltage 51.2V Nominal Capacity 300Ah Energy 15.36KWh Combination mode 16S1P Cycle Life â?¥6000 Cycle, 80%DOD, 25�ºC BMS conï¬?guration 16S150A Operating voltage range 41.6V~59.2V Rated charge and discharge current 150A Peak current 160A Continue @170A 3s Rated charging and discharging power 7.68Kw Peak power 8.192Kw Continue @8.704Kw 3s Short-circuit current 0.762Ka@100us Communication mode CAN, RS485 Parallel number Recommend 6 in parallel(Maximum support 16 in parallel) Remote data Bluetooth optional/Wiï¬? Weight 120kg Dimensions (L*W*H) mm 720*260*580mm Operating temperature Charging: 0�ºC~+50�ºC / Discharge: -10�ºC~+60�ºC Relative humidity 0~95% Storage temperature

Basic Info. Model NO. LFP25.6-100 Electrolyte LiFePO4 Color White Usage Solar/ Marine/ Telecom / Electric Mobility Warranty 3 Years OEM/ODM Acceptable Package Carton and Pallet Lead Time 20-30 Days Dimension 750*145*250mm Transport Package Carton Specification 28kg Trademark PUSTUN Origin China HS Code 8507600090 Production Capacity 5000 Product Description Product Description 25.6V100ah Renewable Energy Lithium Ion LiFePO4 Battery Lithium iron phosphate battery is a kind of lithium ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. It has the advantages of high working voltage, high energy density, long cycle life, good safety performance, low self-discharge rate and no memory effect. Pustun lithium iron phosphate battery is your best power choice for energy storage system of solar street light. This LFP series battery is specifically designed for solar street light application, which has more than 10 years service life; LFP series batteries are the best choice for the durable, safe, environment-friendly energy solution and they can be customized according to your requirement, such as dimension, voltage, capacity of battery. With an increased lifespan, this battery can save you much cost against frequent battery replacement. The working life of lithium battery especially under the outdoor high temperature environment is five times longer than the traditional lead acid battery. Product Parameters Nominal Voltage 25.6V Nominal Capacity 100Ah Energy 2.56KWh Combination mode 8S1P Cycle Life â?¥6000 Cycle, 80%DOD, 25�ºC BMS conï¬?guration 8S100A Operating voltage range 20.8V~29.6V Rated charge and discharge current 100A Peak current 100A Continue @120A 3s Rated charging and discharging power 1.28Kw Peak power 2.56Kw Continue @3.072Kw 3s Short-circuit current 0.225Ka@100us Communication mode CAN, RS485 Parallel number Recommend 6 in parallel(Maximum support 16 in parallel) Remote data Bluetooth optional/Wiï¬? Weight 28kg Dimensions (L*W*H) mm 750*145*250mm Operating temperature Charging: 0�ºC~+50�ºC / Discharge: -10�ºC~+60�ºC Relative humidity 0~95% Storage temperature

ESS 215KW Lithium Battery Energy Storage System 384VDC Rechargeable Lifepo4 Battery pack 280AH Energy Storage Battery 1. High energy density, small footprint, short construction period, strong environmental adaptability 2. Standardized components, modular architecture, easy for expansion 3. Battery module within the layered stack design, with more than 10 years of long design life 4. Efficient battery module and system cooling design 5. The use of international advanced IGBT and intelligent power module, with high power fast adjustment capability 6. BMS battery management system with SOC automatic calibration and high current active balance function, combined with the perfect operation control and management strategies to achieve accurate and efficient management 7. The combination of software and hardware protection, with alarm protection and automatic diagnostic functions, improve the protection strategy to ensure safe and efficient operation of the system 8. Our BMS use NXP(USA) automotive-grade high performance chip, strong anti-interference, good reliability, wide temperature range. 9. We use brand new high quality A-grade battery power cell, longer service life. 10. Charging and discharging are controlled separately, more convenient and reliable to control charging and discharging. 11. Big color LCD touch screen display, easy setting and operation. 12. Can built in solar charge controller and AC-DC charger, our BMS can intelligently manage charger to charge battery well, BMS can communicate well with battery, solar controller, ac charger and inverter, one integrated intelligent monitoring system. 13. Approved by UL1741 certificate. 14. Accept customized product, our lithium battery system are widely used in many situations, such as: Different residential home, hotel, shop, factory, hospital, commercial buildings, electric car, RVs, Van, mobile dining car, heavy truck, different ship/boats, ice-cream car, outdoor camper,.etc. Applications: 1.Energy Storage --Solar-Wind Power System / City Grid (On/Off) / Community and Family 2.Back-up System and UPS --Telcom Base / CATV system / Computer Server Center / Medical Instrumnt / Military Equipment 3.Other Applications --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.

Product introduction: This product is composed of high quality lithium iron phosphate core (series-parallel connection) and advanced BMS management system. It adopts master-slave mode, which is convenient for monitoring and controlling the input and output system. The charging and discharging are independent, it can control the charging current of the AC charger and solar controller according to the battery temperature, voltage and SOC to better protect the battery cells from overcharging, overheating and discharging. It has high reliability and long life, products developed for applications such as solar energy storage, industrial and commercial energy storage, household energy storage, charging piles, data room and other applications. Product advantages: All-in-one design, high integration and space saving installation Using high-performance lithium iron phosphate cells, laser welding, good cell consistency, designed service life of more than 10 years 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 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 BMS adopts NXP(USA) automotive-grade high-performance chips, with strong anti-interference, good reliability and a wide temperature range

Product Features: 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 charge controller or AC charger optional, 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 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

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 charge controller or AC charger optional, 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 Performance characteristics 10 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 11 Built-in BMS management system with comprehensive protection and monitoring control functions 12 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 13 Main control MCU can be centrally controlled and manage peripheral settings (AC charger, inverter, solar charger) to adjust the charging current and voltage of peripheral devices according to the battery charging curve, making the system more reliable

Product advantages: ï?¬All-in-one design, high integration and space saving installationï¼? ï?¬Using high-performance lithium iron phosphate cells, laser welding, good cell consistency, designed service life of more than 10 yearsï¼? ï?¬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 BMS adopts NXP(USA) automotive-grade high-performance chips, with strong anti-interference, good reliability and wide temperature range CAN2.0 communication interface, has the advantages of strong real-time performance, long transmission distance, strong anti-electromagnetic interference ability 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 Integrate Solar charge controller or AC charger optional, BMS communication control, more safe and reliable; 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 Performance characteristics Built-in BMS management system with comprehensive protection and monitoring control functions 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 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 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 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