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TCW Integrated Back Up Battery System

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3 Amp Hour6 Amp Hour
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Overview

The Integrated Battery Back-up System (IBBS) provides an engineered solution to enable an endurance bus for critical loads found in aircraft. The IBBS system provides back-up power to critical electronic loads such as EFIS, GPS, Autopilots and engine monitoring systems.

Integral to the IBBS is a lithium-iron-phosphate battery pack and a matched charging system to ensure the battery is properly charged and maintained. The system includes switching circuitry to provide a stable source of output power during both normal and emergency operations. The IBBS system also provides signals to other equipment such as EFIS systems to communicate the operating state of the back-up bus as well as the state of the battery.

The IBBS system connects to the standard aircraft power bus and provides an output to critical equipment that requires back-up power. Additionally, the IBBS system provides surge and sag protection for connected equipment, allowing operation of critical equipment during engine starting.

The IBBS system is suitable for use with equipment such as Garmin GNS and GTN series navigators, G3X series of avionics, Grand Rapids Technologies EFIS systems, Advanced Flight Systems EFIS, Dynon EFIS, and MGL EFIS, TruTrak Autopilots and EFIS, and Trio Autopilots.

IBBS products are protected by US Patent 8,189,305

Specifications

12V / 3AH Model 12V / 6AH Model 24V / 3AH Model
Input Voltage *: 13 15 volts DC 13 15 volts DC 26 32 volts DC
Transition Voltage**: 10.5 11.5 volts 10.5 11.5 volts 21 23 volts
Input Current: 2.5 amps max continuous on main input for charging 4.0 amps max continuous on main input for charging 3.0 amps max continuous on main input for charging
Pass-thru Current: 5 amps continuous, 10 amps peak (30 seconds) 8 amps continuous, 12 amps peak (30 seconds) 5 amps continuous, 10 amps peak (30 seconds)
Output Voltage: 10 14 volts DC during back-up operation 10 14 volts DC during back-up operation 22 29 volts DC during back-up operation
Output Current: 5 amps continuous, 10 amps peak for radio transmissions and transient loads 8 amps continuous, 12 amps peak for radio transmissions and transient loads (30 second duration max) 5 amps continuous, 10 amps peak for radio transmissions and transient loads (30 second duration max)
Battery: Internal sealed Li-Fe-PO4 Internal sealed Li-Fe-PO4 Internal sealed Li-Fe-PO4
Charger: Integral high-performance fast charger Integral high-performance fast charger Integral high-performance fast charger
Surge Protection: 34 volt active clamp, 1500 w 10/1000uS waveform 34 volt active clamp, 1500 w 10/1000uS waveform 51 volt active clamp, 1500 w 10/1000uS waveform
Wiring: 15 pin male D-sub on product 15 pin male D-sub on product 15 pin male D-sub on product
Enclosure: Aluminum 7.7 x 2.3 x 1.6 Aluminum 7.7 x 2.3 x 2.65 Aluminum 7.7 x 2.3 x 2.65
Weight: 18 oz. 34 oz. 34 oz.
Temperature Range: Operating: -10 C to 60 C
Charging 0 C to 40 C
Operating: -10 C to 60 C
Charging 0 C to 40 C
Operating: -10 C to 60 C
Charging -20 C to 40 C
Connector: Standard density 15 pin male D-sub on product Standard density 15 pin male D-sub on product Standard density 15 pin male D-sub on product
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Reviews

I have used these batteries for years as B/U for my EFIS screens. They work as advertised, and the company provides excellent customer support.

Ivan
September 27, 2022

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.