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Sanyo TravelMate P245-M Manual Page 6

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UN Test Data
1.Test Item: Thermal Test (T2)
2.Test Purpose: This test assesses cell and battery seal integrity and internal electrical connections. The test
is conducted using rapid and extreme temperature changes.
3.Test Procedure:
Test cells and batteries are to be stored for at least six hours at a test temperature equal to 75±2 • Ž , followed
by storage for at least six hours at a test temperature equal to -40±2• Ž
test temperature extremes is 30 minutes.This procedure is to be repeated 10 times, after which all test cells
and batteries are to be stored for 24 hours at ambient temperature (20 ±5 • Ž
duration of exposure to the test temperature extremes should be at least 12 hours.
SANYO Internal Procedure:
As above.
4.Test Requirements:
No mass loss(less than 0.1%),no leakage,no venting,no disassembly,no rupture and no fire,and the voltage
retention is not less than 90%.
The requirement relating to voltage is not applicable to test batteries at fully discharged states.
5.Test Date:
2007/10/17
6.Test Data
Mass(g)
Battery No.
Before test After test
1
294.50
At first
cycle,in
2
293.71
fully
3
294.30
charged
states
4
294.02
5
294.67
At first
cycle,in
6
294.79
fully
7
294.76
discharged
states
8
294.50
After 50
9
294.13
cycles
10
294.68
ending in
fully
11
294.67
charged
12
294.05
states
After 50
13
294.55
cycles
14
294.60
ending in
fully
15
294.12
discharged
16
294.38
states
Notes: L-Leakage, V-Venting, D-Disassembly, R-Rupture, F-Fire,
0-No leakage, no venting, no disassembly, no rupture & no fire
(Model:3UR18650-2-T0590)
Mass
loss (%)
Before test After test
(=<0.1%)
294.43
0.024
293.65
0.020
294.27
0.010
293.91
0.037
294.60
0.024
294.71
0.027
294.70
0.020
294.43
0.024
294.08
0.017
294.65
0.010
294.63
0.014
294.01
0.014
294.50
0.017
294.56
0.014
294.10
0.007
294.32
0.020
The maximum time internal between
.
).
Voltage
Voltage(V)
Retention(
%)(=>90%)
12.52
12.36
98.7
12.52
12.36
98.7
12.52
12.36
98.7
12.52
12.35
98.6
12.55
12.40
98.8
12.55
12.40
98.8
12.56
12.40
98.7
12.56
12.40
98.7
For large cells and batteries the
Other
Result
event
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
PASS
0
P.4/10
Judgement
PASS

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