David Clark Lithium Battery Pack (40688G-90)

David Clark 40688G-90 Lithium Battery Pack for Series 9900 Systems

Power your David Clark Series 9900 wireless ground support system with the David Clark 40688G-90 Lithium Battery Pack. This rechargeable Li-Polymer battery is designed for dependable, all-day performance with compatible belt stations and push-back gateway units.

• Rechargeable Li-Polymer battery pack for David Clark wireless systems
• Compatible with all David Clark Series 9900 belt stations and push-back gateways
• Provides up to approximately 24 hours of continuous operation per charge
• Charges from fully depleted in about 3–4 hours with compatible chargers
• Built-in thermistor helps support safe charging by monitoring temperature
• Ideal replacement battery for maintaining reliable ramp and pushback communications

The David Clark 40688G-90 Lithium Battery Pack is an essential power source for David Clark Series 9900 wireless communication equipment used in ramp, tug, and pushback operations. Designed to deliver long runtime and dependable performance, this Li-Polymer battery supports extended use—helping keep belt stations and push-back gateway systems running through busy shifts. With a fast recharge time and integrated temperature monitoring, the 40688G-90 battery pack helps maintain safe charging and consistent communication reliability. Whether you’re replacing an aging battery or stocking spares for uninterrupted operations, this OEM battery pack is a smart choice for professional ground support teams.

Technical Specifications

• Part Number: 40688G-90
• Battery Type: Lithium Polymer (Li-Polymer)
• Nominal Voltage: 3.7V
• Nominal Capacity: 2260 mAh
• Runtime: Up to approximately 24 hours continual usage
• Charge Time: Approximately 3–4 hours (from fully depleted)
• Compatibility: David Clark Series 9900 belt stations and push-back gateways
• Charging Compatibility: Requires compatible David Clark A99-series battery charger
• Safety Feature: Internal thermistor for battery temperature monitoring
• Condition: New replacement battery
• Quantity: 1 each