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EverExceed Industrial Co. Ltd
Ni-Cd battery EBM series

Ni-Cd battery EBM series

Product catalog summary

Overview: The EverExceed NiCd Pocket Plate Range EBM 10-1100 is a durable block battery designed for reliability across various environments. It offers a wide range of capacities suitable for different discharge times and end-of-discharge voltages, ensuring precise selection for specific needs.

Specifications: These batteries can withstand temperatures from -40°C to +60°C, with short-term tolerance from -50°C to +70°C. They have a life expectancy of over 20 years with minimal maintenance, making them cost-efficient with no downtime or replacement costs.

Construction and Materials: Featuring nickel-cadmium plates, a potassium hydroxide electrolyte with lithium hydroxide, and a polypropylene casing, these batteries are designed to prevent thermal runaway and sudden failure, with a flame-arresting vent to avoid corrosive vapors.

Charging Recommendations: The recommended charging method is constant voltage with current limitations. Specific voltage ranges are provided for different charging modes, including float and boost voltages for various battery types (EBL, EBM, EBH).

Performance Data: Detailed discharge performance data is provided, including amperes available at +20°C for various discharge times and final voltages, crucial for battery sizing and performance optimization.

Compliance and Standards: The batteries comply with ISO 9001, TUV certification, and IEC 60623 standards, and are designed with safety features to meet EN-50272-2 requirements, ensuring high protection against electric shocks.

Environmental Considerations: A full recycling service is available to protect the environment, emphasizing the product's sustainability.

Applications: Suitable for both controlled environments and harsh conditions, the NiCd batteries are ideal for stationary standby power applications where discharges are infrequent.

Discharge Data: The document provides discharge performance data for each battery model, showing available amperes at different discharge times, crucial for determining the appropriate battery model based on specific power requirements and backup time.

Calculation Methods: It outlines the necessary information for calculating battery capacity, including nominal voltage, load current, backup time, and temperature range, with a formula for determining the number of cells required and the minimum cell voltage needed for specific operational conditions.

Example Calculation: An example illustrates the calculation of the number of cells and battery capacity needed to maintain an inverter load of 50KVA at a 0.8 power factor for 30 minutes, concluding with the selection of the EBM300 model, comprising 184 cells.

Operational Guidelines: The document discusses float voltage operation, emphasizing the importance of selecting the correct float voltage to maintain battery condition, and provides a table for determining the number of cells based on system voltage.

Graphs and Charts: Discharge curves and capacity percentage graphs for the EBM series illustrate the relationship between voltage and capacity under different discharge conditions.

Conclusion: The document serves as a comprehensive guide for selecting and calculating the appropriate EverExceed NiCd Pocket Plate battery model based on specific operational requirements and conditions.

Catalog excerpts

NiCd Pocket Plate Range EBM 10-1100

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NiCd Pocket Plate Range Easy storage and installation Nickel-cadmium block batteries are quick and easy to install as original equipment and may be stored for many years in a discharged state under correct conditions. On installation a simple bolted connector enables the battery to be rapidly commissioned. Assured reliability Ni-Cd is equally dependable in controlled city environments or harsh, unpredictable conditions in the world's most remote and unpopulated areas. NiCd Pocket Plate Range EBM 10-1100 The Ni-Cd battery's block construction makes it highly resistant to electrical abuse and transport...

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NiCd Pocket Plate Range The cells are welded together to form rugged blocks of 1-6 cells depending on the cell size and type. The EverExceed Single Cell ranges fully comply and exceed the IEC 60623 standard requirements. Performance Data Many nickel-cadmium batteries are used in stationary standby power applications where discharges occur infrequently and the battery is continuously charged by a float or constant potential charge. Under these circumstances there is a modification in the level of the discharge curve and allowances must be made for this when sizing the battery. In order to simplify...

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NiCd Pocket Plate Range Battery Charging It is recommended to use Constant Voltage method of charging for Nickel Cadmium Batteries, usually with current limitation to C/5 or C/10. Charging voltages must be regularly checked. To optimize the battery performance, it is necessary to ensure that the voltage is kept within the following limits: Batteries can be charged in: ◆ constant voltage mode with load connected or constant current or declining current mode when load is isolated. A higher voltage will reduce the charge duration and increase the efficiency of recharging but may increase water consumption....

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NiCd Pocket Plate Range NiCd Pocket Plate EBM Range Electrical Specifications & Dimensions Nominal Cell Type Voltage (V) Dimensions (mm/inch) Capacity (C5 Ah) Weight (kg/lb.) Without Electrolyte With Electrolyte Cell Case Material EverExceed EBM batteries fulfil all requirements specified by IEC publication 60623. Transparent case optional. VRNC 04 Copyright © EverExceed Corporation. All rights reserved.

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NiCd Pocket Plate Range Discharge Data Table Discharge performance data after fully charged by constant current according to IEC60623 Available amperes at +20°C ±5°C(+68°F ±9°F) Discharge Time in Hours Cell Type Discharge Time in minutes VRNC 05 Copyright © EverExceed Corporation. All rights reser

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NiCd Pocket Plate Range Discharge Data Table Discharge performance data after fully charged by constant current according to IEC60623 Available amperes at +20°C ±5°C(+68°F ±9°F) Discharge Time in Hours Cell Type Discharge Time in minutes VRNC 06 Copyright © EverExceed Corporation. All rights reser

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NiCd Pocket Plate Range Discharge Data Table Discharge performance data after fully charged by constant current according to IEC60623 Available amperes at +20°C ±5°C(+68°F ±9°F) Discharge Time in Hours Cell Type Discharge Time in minutes VRNC 07 Copyright © EverExceed Corporation. All rights reser

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NiCd Pocket Plate Range Discharge Data Table Discharge performance data after fully charged by constant current according to IEC60623 Available amperes at +20°C ±5°C(+68°F ±9°F) Discharge Time in Hours Cell Type Discharge Time in minutes VRNC 08 Copyright © EverExceed Corporation. All rights reser

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NiCd Pocket Plate Range Calculation Methods Information required for battery capacity calculation The following information needed for a precise battery capacity calculation: Nominal voltage of the system Load current required Maximum voltage (for charging) Minimum voltage Battery layout and available space Physical condition Backup time required Temperature range Float Voltage Operation In these conditions the float voltage, being the voltage at which the general load circuit will operate, then a decision will have to be reached on the cell float voltage needed to maintain the battery in the...

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