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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
Ordering was easy. Spoke with a professional and friendly person.
Shipping was fast only two days.
Used the product on a boat outboard motor and bracket.
Excellent primer for bare aluminum.
Couldn’t have gone better from ordering to product results.
Thank you!
I built this kit as a teenager most of 55 years ago. The kit is essentially the same, but now they’re laser cut. In the past, the panels were die-cut, sometimes you get one done with a dull cutter. That took a lot of extra time, carefully re-scoring everything with a narrow Exacto blade so the pieces wouldn’t split. This kit is so crisp, it’s a joy to assemble. It’s fun seeing old reflexes come to life while assembling this baby. I only have the FW-190 from those years, but also built this one (the Hellcat), the Spitfire, Me-109, and the P-40. Good times!
