lithium iron phosphate

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1 S a y G o o d b y e t o o l d b at t e r y t e c h n o l o g y. Say hello to the Hipower LiFePo4 battery. Presents the latest power solution...hipower LiFePo4 Through exciting innovation and research, we have been able to develop the most advanced battery source the world has seen: Hipower LiFePo4 batteries. The latest in Lithium Chemistry has brought affordability and flexibility to standard and emerging applications. After developing the latest process for treatment of the lithium cathodes with non-toxic enhancers, conductivity has been increased over 10 million times, providing a safe, efficient, rapid-charge power source that is available in standard and custom dimensions. Hipower LiFePo4 batteries enjoy a flexibility of design that allows for custom battery packs, tailored to meet the design requirements of industry professionals and providing freedom from typical battery size restrictions. Due to the vulnerability of fossil fuel, and environmental concerns, the alternative energy fields and related industries are rapidly growing at strong rates. In response, renewable energy has attracted more and more attention. This has caused a strong demand of smart, affordable rechargeable batteries. However, the existing lithium ion cell systems, including lithium cobalt oxide and lithium manganese oxide still suffer from low discharge rates, safety concerns, and short cycle life. To solve those issues, a new battery technology, Lithium Iron Phosphate, has been successfully developed using state of the art technology to prepare lithium in the proper environment. Hipower LiFePo4 batteries provide a rechargeable, clean, fast and efficient power source that out-performs all others for practical & economical use. Finally a real-life solution is available for energy demands! Hipower LiFePo4 batteries come in many varied sizes including: 3.0V single cells with capacities from 18650, to 5AH, 10AH, 20AH, 40AH, and 60AH capacities. Our New Hipower LiFePo4 100AH will be available in June We also can work with the client to provide specific modules in accordance with the application s needs. CellTech-Harring A/S Rugmarken 9 DK-5320 Farum

2 Why choose HiPower LiFePo4 Batteries? H i g h P e r f o r m a n c e : Provides a High Theoretical capacity of 170mah/g and a High Practical capacity as high as 165mah/g. Extremely Safe/Stable Chemistry High intrinsic safety, non-explosive & will not catch fire under collision, due to over-charging, or from a short circuit. High thermal stability of phases up to 500 C. Long Service Life Over 6-7 years-up to 2000 cycles(80%dod) Rapid Charging Ability 2C fast charge 85% within half hour No memory effect Nickel Batteries exhibit memory problems High Discharge Rate Capability Among the best for all high power output demands Extraordinary Long Cycle Life 2000 cycles (80%DOD) Achieves up to 2000 cycles per life-over 7 times the life of Lead Acid and 3 times of NIMH and 3-4Times of LI-ION,LI-MN battery Environmentally Friendly Non-toxic, non-contaminating-no rare metals, UL, CE, SGS/ROHS approved wide working temperature range from -45 C +70C (Extremely cold and extremely hot weather will not affect its performance) Flexible Form Factor Small in size and light in weight, 1/3 weight of Lead Acid and 65% weight of NIMH. 2/3 size of Lead Acid. Superior Features Friendly to the Environment Easy to dispose of.no Heavy Metals Long Shelf Life and Faster Recharge time High Energy Efficiency with no memory effect No Toxic leaks-temperature Tolerant Smart Monitoring and internal Cell Balancing Inherently resistant to harsh conditions 1/3 the weight with twice the run-time Performance & Longevity reduces Costs 3 Year Warranty 2000 life cycles Standard & Custom Design CellTech-Harring Rugmarken 9 DK-3520 Farum

3 Intelligent & Efficient Chemistry LiFePO4 was first introduced as a potential cathode material for Lithium batteries in Under its pure form, the Olivinestructured material showed specific capacities up to170 mah/g. Introducing Nano-painting of LiFePO4 with a Carbon electronic conductor, HiPower Lithium produced cathode material with specific capacities as high as 165 mah/g, very close to the maximum theoretical capacity of 170 mah/g.

4 COMPARISON DATA AMONG VARIOUS LITHIUM BASE BATTERIES FEATURES LiFePO4 LiCoO2 LiMn2O4 NIMH SAFETY AND ENVIRONMENTAL CONCERNS Safest: no explosion, no smoke, no fire under abused working condition and the most environmentally friendly. Non-toxic, no rare metal, fire resistant, easily disposed of Not stable very dangerous Acceptable but also be explosive and on fire under abused working condition Not stable will be on fire even just under high temperature CYCLE LIFE POWER WEIGHT DENSITY Best among all the listed groups-up to 2000 times ( 80% DOD condition ) Acceptable 65% weight of NIMH Acceptable (< 500 times ) Unacceptable ( around 300 times ) Best Acceptable Low LONG TERM COST Most Economical High Acceptable High THERMAL PERFORMANCE Excellent (-45 C~ -70 C) Decays beyond +55 C ~ -20 C Decays extremely fast over +50 C Below 500 times Decays faster in high temperature REMARKS Lead Acid: though lower in cost and safety acceptable; it is extremely toxic, the worst for the environment, short cycle life, heavy in weight, not the best choice for many reasons. Nickel Hydride: exhibits low Power Weight Density, decays faster in high temperature, has memory effect, not suitable for high output usage. The Lithium Iron Phosphate Battery has been proven as the most environmental friendly battery. It is the safest with longest life cycle and most suitable for high output usage. It is also the best for storage and back-up applications.

5 VARIOUS LITHIUM Technologies There are three types of lithium ion strategies based on different cathode materials. They are: Lithium cobalt oxide, Lithium manganese oxide, and Lithium iron phosphate types. Although Lithium cobalt oxide has the advantage of high energy density, it suffers from safety concerns. Lithium manganese oxide has been evaluated for applications requiring high demands, and has outperformed the previous Lithium strategies. Also, its poor high temperature performance is a major drawback. Lithium iron phosphate has the best safety characteristics, long cycle life (up to 2000 cycles), and substantial availability. It is well suited for high discharge rate requirements such as the demands of the Military, Electrical Vehicles, Power tools, Mobile needs, UPS (Interrupt/Back-Up) and Solar energy systems. Safety First The safety characteristics inherent to LiFePo4 technology result from the incorporation of phosphates as the cathode material. Phosphates are extremely stable in overcharge or short circuit conditions and have the ability to withstand high temperatures without decomposing. When abuse does occur, phosphates are not prone to thermal runaway and will not burn. As a result, Hipower LiFePo4 batteries possess safety characteristics that are fundamentally superior to those of Lithium-ion batteries made with other cathode materials. Hipower Lithium batteries do not contain any heavy metals, and does not exhibit the "memory effect" of Nickel-Cadmium and Nickel-metal Hydride solutions. Hipower LiFePo4 technology demonstrates excellent shelf life, long cycle life and is maintenance free. We all use and take for granted the benefits of lithium-ion energy storage systems in our cell phones, notebooks, PDA's, consumer appliances and other devices. However, recent recalls by the US Consumer Protection Commission have brought to light the potential hazards of lithium-ion batteries. Just imagine what could happen to a large lithium-ion battery if an electric/ hybrid electric vehicle were rear-ended or if a manufacturing defect or other abuse caused a thermal event in a mission critical telecom backup system. The results could be devastating. Hipower LiFePo4 Batteries bring to market the only safe large format lithium-ion rechargeable battery technology. Please call us regarding your particular needs, and would be honored to provide you with smart alternatives. Flexibility Another key benefit of our LiFePo4 technology is its flexibility, both in terms of battery application and cell design. It can be used in wound cylindrical, wound prismatic and polymer battery construction types and manufactured to fit smaller applications, According to different applications, Hipower LiFePo4 batteries can be easily modified to meet the specific requirements of varied applications-extremely flexible in design capabilities. Current Trends We are currently supplying Hipower LiFePo4 lithium batteries for the electrical bicycle and scooter industry, as well as some emerging 4 wheel alternative vehicles. With over 3,000,000 electric bicycles in use with standard lead acid batteries, it is apparent that the short life span and toxicity from disposal of SLA batteries is a severe problem. Weighing over 12 Kgs, lasting only 6-12 months, and having total energy density of 360 watt hours, the standard 36 volt/10ah SLA battery pack has not proven effective as a smart, clean power source. Furthermore, these conditions have lead to many cities restricting the use of the electric bicycle. The choice is clear for the cleanest, smartest Lithium Power Option, the Hipower LiFePo4 Lithium battery. Options give you Power! Our latest generation product, the UPS power station, is by far the best solution to sensitive and crucial energy provision. Nothing comes close to the stability and hi-discharge capabilities of our Hipower LiFePo4 batteries, clearly the best choice for industry professional. Ideal for both military backup supply, our batteries provide the highest quality assurance for high-level commercial use. The advantages of traditional Lithium-ion coupled with the safety features of phosphates, makes Hipower LiFePo4 the technology for the future. Our LiFePo4 Lithium-ion technology utilizes natural, phosphate-based material and offers the greatest combination of performance, safety, cost, reliability and environmental characteristics. TEL FAX

6 Technical Data (+25 C) 10Ah Cell PAT. LiFePO4 (+25 C) 20Ah Cell PAT. C-LiFePO4 (+25 C) 35Ah Cell PAT. LiFePO4

7 Technical Data (+25 C) 40Ah Cell PAT. LiFePO4 (+25 C) 60Ah Cell PAT. LiFePO4

8 Wide Applications Electric Vehicles: Autos, Bicycles, Hybrid and Scooters Emergency Power: UPS Power tools: Construction, Gardening, and Agricultural Environmental friendly, energy saving and safe substitute for lead acid, Ni-Cd, Ni-hydride, lithium co b a lt ox i d e o r l i t h i u m m a n g a n e s e ox i d e c e l l s. Medical and Handicap Products Other green and renewable energy systems Remote Control Products Solar and Wind Power: Energy Storage systems Military Equipment and AviationApplications

9 Hipower LiFePo4 Lithium battery is safe even under high heat and abused tests it shows that hipower Lifepo4 battery does not have the security hidden danger When phosphate batteries are overcharged over 3A 5V, the temperature of the battery does not surpass 55 C-the battery is extremely safe. After heat tests for 7-8 hours reached 300 C in a hot box process, battery temperature remained nearly the equivalent of the surrounding temperature of hot box, and thermal runaway does not occur- after extrusion or acupuncture, the battery temperature did not surpass 110 C. The safety of the lithium battery is guaranteed by using LiFePO4 as an anode pole. LiFePO4 is one kind of phosphate gathering anion, the P-O chemical bond is extremely strong, material is thermodynamically stable, do not worry about it can release the oxygen, simultaneously LiFePO4's olivine crystal structure decides its crystal lattice deformation smaller in the sufficient electric discharge process, its material structure is stable and safe, and also its cycle life are extremely long. These characteristics also can make LiFePO4 withstand oxidation and acidic environment, the battery has more electrolyte choice, the battery performance can be optimized. Summary Hipower LiFePo4 Lithium Iron. As a new anode material for Lithium-ion batteries, LiFePO4, was first introduced in 1997, and has continually improved until the present as the very best option for smart, clean power. It has drawn attention from world experts due to its reliable safety, long life, low environmental impact, and its charge and discharge characteristics. HiPower Hipower LiFePo4 Lithium batteries (LiFePO4) are by far the best options for smart, clean power. As the leader in this type of technology and subsequent applications, HiPower has capitalized on the flexibility in design capabilities, and have been honored with many World Patents. Useful for consumer, commercial and military applications, our Hipower LiFePo4 batteries use no heavy metals, making these the premiere Green Power Source. They have extremely long life yielding up to 2000 cycles, high effective discharge capabilities, low internal resistance, and extreme stability. Hipower LiFePo4 batteries are maintenance free, have no memory effect, and withstand large fluctuations in temperature. Hipower LiFePo4 batteries are replacing the lead acid, hydrogen, nickel metal hydride, and existing lithium cobalt/manganese based methods as the smartest and most economical power option. Through intelligent design and application of these new technologies, together we can help our planet remain green, and enjoy a great quality of life.