Table 4-3 Backup Battery Weight And Size; Figure 4-13 Backup Battery Dimensions; Backup Battery - Garmin GI 275 Installation Manual

4.4.2

Backup Battery

The backup battery is internal to the GI 275. Captive screws secure a cover plate protecting the battery. The
battery pack will not be vented outside the aircraft. The battery must be installed in the GI 275 unit prior to
installation in the instrument panel.
Item
GI 275 Backup Battery
Notes:
[1] Weight includes the silicone end cap (seen in Figure 4-14).
190-02246-10
Rev. 11

Table 4-3 Backup Battery Weight and Size

Weight
lb. (kg)
Height
0.32 (0.145) [1] 2.36 (60.0)

Figure 4-13 Backup Battery Dimensions

(Shown without required silicone end cap)
Dimensions in. (mm)
Width
1.13 (28.7) (connector end)
2.60 (66.0)
0.85 (21.5) (non-connector end)
GI 275 Part 23 AML STC Installation Manual
Depth
Page 4-21