RX1-11-20237

The Powervamp Coolspool 29 Base Unit-Positive is a portable 28 V DC aircraft start unit for aircraft starting and onboard emergency-power use. This Positive configuration is identified by manufacturer part number 2207675.

Designed around sealed lead-acid AGM batteries in a corrosion-resistant aluminium case, the Coolspool 29 combines portable ground-power capability with an integrated charging and voltage-monitoring arrangement. Its carry handle, protective front bars and shock-absorbing anti-slip feet support practical handling in maintenance and ramp environments.

• Nominal output: 28 V DC
• Capacity: 26 Ah at the 10-hour rate, at 20 °C
• Peak current: 2,400 A theoretical instantaneous short-circuit value; this is not representative of power available at the aircraft connector
• Integrated 1.9 A, three-stage charger for 90–264 V AC, 47–63 Hz, single-phase input
• Solid-state IP65 voltmeter with push-to-view function
• 2 m aircraft cable with heavy-duty rubber NATO connector
• Aluminium case with shock-absorbing feet
• Approximate dimensions: 405 × 135 × 345 mm (L × W × H)
• Approximate weight: 29 kg

Manufacturer part number: 2207675
Roctexo part number: RX1-11-20237

Manufacturer documentation: Powervamp Coolspool 29 datasheet