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BAO TONG USA INC. Dba TYSONIC BATTERY 1032 EAST MAIN ST., ALHAMBAR, CA 91801 626-289-5962(PH) 626-576-2503(FAX)

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BAO TONG USA INC. Dba TYSONIC BATTERY 1032 EAST MAIN ST., ALHAMBAR, CA 91801 626-289-5962(PH) 626-576-2503(FAX) BAO TONG USA INC. dba TYSONIC BATTERY 1032 EAST MAIN ST., ALHAMBAR, CA 91801 626-289-5962(PH) 626-576-2503(FAX) Specification of GNC160 NI-CD BATTERY PACK FOR LACMTA TRAINS 1.0 Battery Type GNC160 NI-CD BATTERY PACK The battery shall be constituted of open (vented), low maintenance sintered / pbe nickel-cadmium cells, and shall comply with IEC 60623, fourth edition, 2001-09. The cells shall be connected in series or parallel into crates / trays. 2.0 Plates The positive plate shall be of the sintered type obtained by sintering a paste of nickel powder, mixed with deionized water, onto a thin perforated nickel-plated strip followed by chemical impregnation of nickel hydroxide onto a porous nickel structure. The negative plate shall be of the plastic bonded type obtained by a coating of slurry consisting of cadmium oxide mixed with a plastic binder onto a thin perforated nickel-plated strip. Graphite shall not be used in the plates. All nickel-plated steel plate tabs shall be seam welded onto the plates to ensure high current transfer and maximum strength. The cell plate groups shall be bolted to the positive and negative terminal posts accordingly. 3.0 Electrolyte: The electrolyte shall be an aqueous solution of potassium hydroxide (KOH) containing additives; the density of electrolyte is 1.25g/cm3. 4.0 Separators: Type: PPAT. The cell separator shall be a multi-layer type consisting of a micro-porous polymer and non-woven felt to provide an optimum balance between performance, reliability and long life, and to also act as a barrier between the + / - plates to prevent the oxygen generated by the positive plate from reaching the negative plate. 5.0 Cell Containers and Crates / Trays: Container and crates of battery: special PP material is composed by fire-protection, flame retarding, non-toxic, non-halogen and anti-aging, outer case materials comply with UL94-V0 classification. 6.0 Vent: Install special joint of injection on injection hole of cover, make several single cells connect in series to form central water injection system, control each maintenance electrolyte position efficiently, prevent loss of evaporation of electrolyte, extend maintenance period. 7.0 Terminals: The terminal posts shall be made of nickel-plated copper or nickel-plated steel #45 to achieve the highest mechanical strength and the lowest internal electrical resistance. The positive and negative terminals shall be threaded and marked by color-coded washers as follows: • Red for the positive pole. • Blue or black for the negative pole. In order to protect the battery terminals from external accidental short-circuits resulting from any metallic BAO TONG USA INC. dba TYSONIC BATTERY 1032 EAST MAIN ST., ALHAMBAR, CA 91801 626-289-5962(PH) 626-576-2503(FAX) item falling on top of the battery, insulating plastic connector covers with “O” shape shall be provided. 8.0 Connectors: All intercell rigid connectors shall be of high quality nickel-plated copper. 9.0 Charging and discharge: When charging at a single rate mode, the batteries shall be able to charge using any value in the range of 1.45 – 1.60V/cell for 8 hours. Before starting the train, the charger/charging machine charge the battery in the following three procedures: Constant current: charging at constant maximum current; Constant voltage: charging the battery at preset voltage, meanwhile, battery adopts voltage sensor to test data to maintain charge voltage of charger; Float charge: when battery reach fully charged condition after charging and the charge current is detected to be less than one critical value, the charger will decrease the set voltage at some proportion, float charge at low current for battery, and ensure the electrical performance of battery to recovery fully. Take temperature change into consideration while adjust output voltage. Controlling module of charger can monitor output current. If output current exceeds limited preset current value, it will decrease output voltage to control the output current to limited value. Maximum limited current can be regulated to 32A (0.2ItA). 10.0 Topping-up Intervals: Adopt centralized water injection method, request to use distilled water or soften water z Connect water outlet of water injection machine and automatic water inlet of water injection system of battery; z When the water in injection loop that flow back into water injection machine exceeds 1 liter, the water injection is finished; z Water injection can be accomplished by virtue of self-gravity of water, or take advantage of pump provided by battery supplier. Maintenance notes: z Only use water to clean battery, forbid using iron wires brush or any other solvent to clean battery; z Check the situation of all post heads, coat them with a neutral Vaseline or anti-corrosion oil recommended by supplier on pole bolts to protect bolt to not be corroded. 11.0 Storage: z Battery should be placed at clean, dry and cool indoor place ; z Ensure sealing ring unchanged during transportation; z Don’t expose battery directly under the sun or at high temperature; Battery with 90% capacity stored over three months under room temperature need charge before use. 12.0 Expected Service Life: Cycle life: under temperature of 20±5ºC , should be more than 1000 cycles in accordance with IEC60623; Useful life: under temperature of 20±5ºC ,useful life should be 12--15 years. .
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