11.1V 2600mAh Replacement Battery for Signalink Fire-Link II Fire Alarm System, BATT-ISD2500, ISD-2500, ISD-2501, NMC-101, IDC 3-640440-3 Connector, Built-in BMS, 28.86Wh

Compatible Applications

Designed as a replacement battery for compatible Signalink Fire-Link II fire alarm system components, including:

• Signalink Fire-Link II – BATT-ISD2500
• Signalink Fire-Link II – ISD-2500
• Signalink Fire-Link II – ISD-2501
• Signalink Fire-Link II – NMC-101

Important: Always verify the original battery voltage, connector type, connector polarity, dimensions, and part number before ordering.

Key Features

• Part Number: BATT-ISD2500
• Nominal Voltage: 11.1V
• Capacity: 2600mAh
• Energy Rating: 28.86Wh
• Battery Configuration: 3S1P
• Cell Type: Rechargeable 18650 Li-ion cells
• Connector: IDC 3-640440-3
• Protection: Built-in Battery Management System (BMS)
• Dimensions: 2.72" × 2.20" × 0.76" (69 × 56 × 18 mm)
• Battery Weight: Approximately 5.0 oz (142 g)
• Shipping Weight: Approximately 8.0 oz
• Warranty: 1-Year Xain-USA Limited Warranty

Enhanced Safety with Built-In BMS Protection

The battery pack features an integrated Battery Management System (BMS) designed to help protect against common electrical conditions, including:

• Overcharging
• Over-discharging
• Overcurrent
• Short circuit conditions

The built-in protection system helps support reliable battery operation when the pack is used with compatible equipment and properly rated charging systems.

Quality Assurance

Quality Cells: Manufactured using carefully selected rechargeable Li-ion cells for dependable performance and consistent capacity.

Quality Control: Battery packs undergo inspection and testing to help verify voltage, capacity, connector configuration, and overall functionality.

Transportation Safety: Battery packs are manufactured and handled in accordance with applicable lithium-ion battery safety and transportation requirements.

Safe Handling

• Use only with compatible 11.1V equipment.
• Confirm connector type and polarity before installation.
• Do not short-circuit, crush, puncture, disassemble, or expose the battery to fire.
• Keep away from excessive heat, moisture, and direct sunlight.
• Store in a cool, dry location.
• Keep out of reach of children.
• Use only a charger designed for the correct Li-ion battery voltage and configuration.

Product Information & Documentation

Additional battery information is available through the Xain-USA website, including:

• Technical specifications
• Battery dimensions
• Connector information
• Safe handling guidelines
• Product compatibility information

Peace of Mind with Every Purchase

30-Day Satisfaction Guarantee: If the battery does not meet your expectations, it may be returned within 30 days in accordance with our return policy.

1-Year Warranty: Backed by a one-year Xain-USA limited warranty against manufacturing defects.

U.S.-Based Customer Support: Our knowledgeable support team is available to assist with battery compatibility, connector identification, and product questions.

Shop with confidence and experience the Xain-USA difference.