62
AMP20
M1
HD-A
General Specifications
Refer to Table 15 for specifications of the AMP20
M1
HD-A
cell and a diagram of cell dimensions in Figure 30 on
page 70 . Note that actual performance of the cells may vary depending on use conditions and application.
Table 15 – AMP20
M1
HD-A cell specifications
Specification
Value
Notes/Comments
Nominal Capacity
20 Ah
Minimum Capacity
19.5 Ah
25 °C, 6A Discharge, 3.6V to 2.0V, at BOL
Nominal Voltage
3.3V
@ 50% SOC
Voltage Range
2.0 to 3.6V
Fully Discharged to Fully Charged
Absolute Maximum terminal voltage
4.0
Above which will cause immediate damage to
the cell
Recommended maximum charge
voltage
3.6V
Recommended float charge voltage
3.5V
Recommended end of discharge
cutoff
2.0V
Recommended standard charge
current
20A
to 3.5V
Recommended maximum charge
current
60A
to 3.6V , Cell temperature < +85 °C
Pulse 10s charge current
200A
23 °C < Tcell < +85 °C, Vcell < 3.8V
Maximum discharge continuous
current
200A
23 °C < Tcell < +85 °C, SOC = 50%
Pulse 10s discharge current
600A
23 °C < Tcell < +85 °C, SOC = 50%
Peak 10s Discharge power
820W
SOC = 100%, Tcell = 23 °C, Assumed DCR = 2
mOhm (nominal)
DCR Impedance
ACR Impedance
1.5 – 3 mOhm
0.78 mOhm
10s, 240A, @ 50% SOC
1kHz, @ 50% SOC
Operating temperature range
-30 °C to +65 °C
Ambient temperature and cell soak
Absolute maximum cell temperature
85 °C
Measured at the cell surface.
Storage temperature range
-40 °C to +65 °C
Weight
495 grams
+/- 10g
Cycle Life To 80% Beginning of Life
(BOL) capacity
3000 cycles
100% Full DOD cycles, 1C/-2C @ 23 °C, 8 – 14
psi face clamp pressure