GFM Series Compact Valve-Regulated Sealed Lead-Acid Battery (VRLA)

CHISEN GFM Series Compact Valve-Regulated Sealed Lead-Acid Battery (VRLA)

Product Overview

The CHISEN GFM Series Compact VRLA Battery is designed with a float service life of 5 years. It is primarily used in security alarm systems, UPS (Uninterruptible Power Supply) systems, emergency lighting systems, and other applications requiring backup power solutions.

Features & Benefits

1. Float Service Life: 5–8 years.

2. Wide Operating Temperature Range: -15°C to 55°C.

3. High-Rate Discharge Performance: Excellent current delivery under heavy loads.

4. Flexible Installation: Supports upright or sideways mounting.

5. Low Self-Discharge Rate: Extended shelf life during storage.

Structural Specifications

1. Positive Plate Grid: Pb-Ca-Sn multi-component alloy.

2. Negative Plate Grid: Pb-Ca-Sn multi-component alloy.

3. Separator: AGM (Absorbent Glass Mat) separator.

4. Electrolyte: High-purity dilute sulfuric acid.

5. Casing: ABS plastic.

6. Terminal Seal: Epoxy resin + O-ring sealing.

7. Safety Valve: High-sensitivity pressure relief valve.

Recommended Charging Parameters

1. Charging Method: Voltage- and current-limited charging.

2. Float Charge Voltage: 2.27V/cell @25°C.

3. Float Voltage Temperature Compensation: -3mV/°C/cell.

4. Equalization Charge Voltage: 2.35V/cell @25°C.

5. Cyclic Use Charge Voltage: 2.40–2.47V/cell.

6. Maximum Charging Current: 0.25C₁₀A (where C₁₀ = rated capacity at 10-hour discharge rate).

Application Fields

1. Security systems.

2. Compact UPS systems.

3. Emergency lighting power sources.

4. Toys.

Compliance Standards

1. GB/T 19639 (Chinese National Standard for VRLA batteries).

2. IEC 60156 (International Electrotechnical Commission standards for lead-acid batteries).

3. IEC 60896-21/22 (Standards for stationary VRLA batteries).

4. JIS C 8702 (Japanese Industrial Standard for lead-acid batteries).