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Bio-Medical Devices Intl
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6.3.10 Projected LIB Level Available As A % At Initial Manufacture Versus
Temperature
Year(s)
Elapsed from
Manufacture
Date
Storage Condition: 50% charged
Storage Condition: 100% charged
Residual
Capacity (due to Self-
Discharge)
Recoverable
Capacity
Residual
Capacity
(due to Self-
Discharge)
Recoverable
Capacity
23°C
60°C
23°C
60°C
23°C
60°C
23°C
60°C
1
96%
76%
99%
92%
90%
60%
94%
80%
2
92%
52%
98%
84%
80%
20%
88%
60%
3
88%
28%
97%
76%
70%
0%
82%
40%
4
84%
4%
96%
68%
60%
0%
76%
20%
5
80%
0%
95%
60%
50%
0%
70%
0%
Year(s)
Elapsed from
Manufacture
Date
Self-Discharge Loss Permanent Capacity
Loss
Self-Discharge Loss Permanent Capacity
Loss
23°C
60°C
23°C
60°C
23°C
60°C
23°C
60°C
1
4%
24%
1%
8%
10%
40%
6%
20%
2
8%
48%
2%
16%
20%
80%
12%
40%
3
12%
72%
3%
24%
30%
100%
18%
60%
4
16%
96%
4%
32%
40%
100%
24%
80%
5
20%
100%
5%
40%
50%
100%
30%
100%
6.3.11 Glossary
LIB
Lithium Ion Battery, Li-Ion Battery
Self Discharge
The rate at which the battery charge level declines while it is just sitting in storage, usually quoted as a decline in
%-per-month.
Self-discharge increases with age, cycling and elevated temperature.
Discard a battery if the self-discharge reaches 30 percent in 24 hours.
Recoverable Capacity
The amount that a battery can be “fully charged back to” over time, usually quoted as a certain % of the full charge
level when the battery was initially manufactured.