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SICHUAN CHANGHONG BATTERY CO., LTD.
CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series

CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series

Product catalog summary

Summary of Prolonged Float Charge of Fully Charged Cell

This document addresses the technical considerations related to the prolonged float charging of fully charged cells, typically in battery systems.

Key Sections and Points

1. Specifications

Definition of float charge: A continuous, low-level charge applied to a fully charged battery cell to maintain its charge without overcharging.
Voltage and current parameters: Float voltage must be carefully controlled to avoid damage; typical float voltage values depend on cell chemistry.

2. Procedures

Monitoring: Continuous monitoring of cell voltage and temperature is essential during prolonged float charge to prevent degradation.
Adjustment: Float charge parameters should be adjusted based on cell condition and environmental factors.

3. Norms and Standards

Compliance with relevant battery manufacturer guidelines and industry standards (e.g., IEEE, IEC) is critical.

4. Recommendations and Best Practices

Avoid excessive float voltage to prevent electrolyte loss and capacity reduction.
Implement periodic testing to assess cell health during prolonged float charge.
Use temperature compensation for float voltage settings.

5. Limitations and Risks

Prolonged float charging can lead to cell aging if not properly managed.
Risk of thermal runaway if temperature monitoring is inadequate.

Summary of Data and Visuals

Although no specific tables or graphs are provided, the critical data points emphasize voltage thresholds, current limits, and temperature ranges for safe prolonged float charging.

Conclusion

Proper management of prolonged float charge on fully charged cells is essential to maintain battery health and longevity. Adhering to specified voltage, current, and temperature parameters, along with regular monitoring, ensures optimal performance and safety.

Catalog excerpts

CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-1

Sichuan Changhong Battery Co., Ltd. Email :[email protected] Changhong Gas Recombination Battery Sichuan Changhong Battery Co., Ltd.

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-2

Ideal Choice of New Backup Power Recombination Battery, combined mature pocket battery technology, blended in Changhong new technology, obtained Ultra- low maintenance or even free maintenance characteristics, becomes an ideal choice of Infrequency Water filling, gas recombination is controlled, no failure risk. Work temperature ranges from -50T; to 70°C High electrical and physical abuse durability, suitable for various kinds of operation conditions, low maintenance, safe and reliable. Distinct Superiority As the backup power solution, high reliability and easy maintenance are required. New...

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-3

Application Fields Electric power Rail transit Mining industry Backup power Solar energy and wind energy Sichuan Changhong Battery Co., Ltd. ' KGM Series KGL Series Maintenance PeriodfVear) Figure 1 Maintenance cycle of KGL series and KGM series battery under different float charging voltage (20°C) Figure 3 Temperature Effect Curves of KGM Series Sichuan Changhong Battery Co., Ltd.

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-4

1) Our company could design new battery and Combine-unit, Combination frame, Combo box etc. for supporting the battery; We can also provide battery total solution as per customer. 2) Our company is committed to technical innovation, and continuously provides better products and services to meet customers' demand. About the update of product design and technical specification, unless special noticed, please reference to specific project. Sichuan Changhong Battery Co., Ltd. r\fc

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-5

\ Electrical Properties Discharge performance data after prolonged float charge of fully charged cell Available current under 20X1 ± 5°C Final voltagel .OV/cell Sichuan Changhong Battery Co., Ltd. r\Q

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-6

\ Electrical Properties Discharge performance data after Available current under 20X1 ± 5°C Sichuan Changhong Battery Co., Ltd. A r\

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-7

Electrical Properties Discharge performance data after Available current under 20D ± 5t) Final voltagel .OV/cell A Sichuan Changhong Battery Co., Ltd. \ Electrical Properties Discharge performance data after Available current under 20T: ± 5t Sichuan Changhong Battery Co., Ltd. A Q

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CHANGHONG Gas Recombination Type Ni-Cd Cell KGL, KGM Series-8

Electrical Properties Discharge performance data after Available current under 20°C ± 5°C \ Electrical Properties Discharge performance data after Available current under 20T: ± 5*C Data is only for the selection reference ,without assessment. Sichuan Changhong Battery Co., Ltd. A A

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