6
Manual Number 9019286 • Revision E, January 06, 2022
1.4 TECHNICAL SPECIFICATIONS
Electrical Attributes
Power Input
28.8 volts DC Nominal, 200A Max
Power Output
26.4 volts DC Nominal, Continuous Current 525A;
Power Peak Current (I
PP
) 900A (at 18V CV discharge);
Power Rated Current (I
PR
) 700A (at 18V CV discharge)
Battery Capacity (Beginning of Life) 20 amp hours (Ah) @ 23°C
Table 1.1
Physical Attributes
Weight
19.5 pounds (8.9 kg)
Dimensions at base
(not including vent, lid and
connectors)
6.0 x 8.2 x 9.3 inches
(see Figure 1.1)
[153 x 208 x 236 mm]
Quick Disconnect Power Receptacle
Communications Connector
USB Service Data Port
2-pin per MIL-PRF-18148/3 form factor (MS3509)
18-pin per MS3114E14-18P
USB 2.0, Type-A port
Mounting
See Section 3.4.2
Table 1.2
Qualifications
Certification
FAA TSO-C179b, Class A-4B
Performance Qualification
RTCA/DO-311A Minimum Operational Performance
Standard for Rechargeable Lithium Batteries and
Battery Systems (See Section 5.9)
Environmental Qualification
RTCA/DO-160G
(See Section 5.10)
Software Qualification
RTCA/DO-178C, Design Assurance Level (DAL) A
Table 1.3
Summary of Contents for True Blue Power TB20 Series
Page 1: ...Revision E January 6 2022...
