Products > Power Systems > EXA BA0x High Energy Density Battery Array

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HIGHLIGHTS

 

  • Very thin versions available: only 7 mm single-sided and 14 mm double-sided

  • Very high energy density cells can power from 1U to 27U missions

  • Unique containment technology prevents swelling of the cells in a vacuum

  • The double-sided arrays can be used as serial or parallel (3.7V or 7.4V) user configurable

  • Perfectly coupled with our DSA Deployable Solar Arrays

  • Multiple redundant cells ensure mission survivability

  • Embedded redundant thermal sensors 

  • Embedded redundant active heaters

  • Multiple BA0x can be connected in series or parallel enabling ultra high power missions

  • Designed for LEO missions and requirements

  • Stand-alone charge port available

  • High discharge capable for deep cycle payloads

  • Flight heritage from NEE-01 PEGASUS, NEE-02 KRYSAOR, IRVINE01 and IRVINE02

  • Manufactured with space grade materials according to space standards and custom mission design

  • Functional, performance, thermal bake out and vibration tests provided with documentation.

  • Compatible with ISIS and Pumpkin Structures and compliant to CubeSat Standard

  • Charging cables provided by default and custom Interface available

BA01 High Energy Density Battery Array

From €3,500

As thin as 7 millimeters thick, the EXA BA0x High Energy Density Battery Array is a family of power store/delivery devices designed to provide the highest energy capacity and redundancy: From a minimum of 22.2Whr to a maximum of 50Whr per bank. For missions like 1U Cubesats, the BA0x enables your system to perform longer and better and pack even more power than a 3U configuration, the double-sided arrays are user-configurable to output 3.7V or 7.4V. All our batteries are fully customizable to your mission’s need in terms of output, cable, connectors or interfaces and options are available as integrated Carbon Nanotubes Thermal Transfer Bus (CN/TTB) shield which allows missions to reuse the spacecraft self-generated heat, integrated MT01 Magnetorquer, embedded redundant thermal sensors  and embedded redundant active heaters.

Availability:  IMMEDIATELY

Includes:  

  • Full Engineering Support

  • Test Reports and ICD

  • Custom cables and Matching Board Connectors

  • UN38.3, MSDS, CoO certificates

PERFORMANCE

  • Supply Voltage: 3.7V nominal , 4.2V at full charge

  • Supply Current: 1500mAh per cell (multiply by the number of cells in the array)

  • Typical internal resistance: 1 to 7 milliohms @ 25°C

  • High discharge rate: 20 times the nominal capacity within 2 seconds

  • High-speed charge rate: 3 times the nominal capacity

PROPERTIES

  • Pegasus Class BA01/S, 22.2 Whr / 6000 mAh, 3.7 V, 89x95x7 mm (LxWxH), 4 Cells

  • Pegasus Class BA01/D, 44.4 Whr / 12000 mAh, 3.7 V, 89x95x14 mm (LxWxH), 8 Cells

  • Mass (exact mass depends on configuration):

    • Pegasus Class BA01/S, 22.2 Whr  – 125 grams

    • Pegasus Class BA01/D, 44.4 Whr  – 210 grams

  • Operating Temperature:

    • -30 to +80°C w/o CN/TTB option

    • -60 to +120°C with CN/TTB option

  • Radiation Tolerance: 2 years minimum in LEO, 4 years minimum when the S/C has NEMEA shielding

COMPOSITION

  • Base panel: FR4-Tg170

  • Shielding: Optional integrated Carbon Nanotubes Thermal Transfer Bus (CN/TTB) shield

  • Cell Material: Lithium polymer

  • Cell Interconnector: Invar Silver plated copper

  • Interfaces:

    • Custom choice, normally Molex PicoBlade/PicoSpox inline 2 pin/4 pin connector with gold plated contacts or SAMTEC multi pin gold coated interface

    • PTFE (Teflon) space grade cables, multi strand, silver plated copper (AWG22 to AWG24)

TESTS

All batteries are provided with tests reports regarding the following tests:

  • Thermal Bake out (10E-7 mbar @ 50C for 24 hours)

  • Full vibration test for Dnepr and Long March 2D vibration profiles, other LV profiles available upon request

  • QT and AT is performed on the unit to be shipped at no charge.

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