The following caution and warning should appear in manuals and/or instructions for users, especially at the point of use.
Handling Instructions for
Lithium Ion Rechargeable Cell
1. CHARGING ELECTRIC CAR, CHARGER AND BATTERY PACK DESIGN CONSIDERATIONS
1.1 CHARGING
1.1.1
Cell must be charged with constant current-constant voltage method. Charging voltage should be below 4.20V/cell and the
charging cut-off current is greater than or equal to 1/20C. Even if the charger was out of order, charge voltage must not exceed
4.25V/cell to avoid over-charging. Cell life will be shorten by charging voltage above 4.20V.
1.1.2
Charger should be equipped with a complete charging detection device including the timer inspection, current and open
circuit voltage to detect the current state of charge. When one of the detection such as timer, current and voltage detected the
full charge, charge should be completely cut off the charging circuit, avoid produce turbulence.
1.1.3
Charger should start charging at temperature range 0°C ~ +45°C (see spec
3.4/3.7,
temperature tolerance ±3°C). When
the cell temperature exceeds this range, it should be placed in the battery temperature to teach the above range before
recharging.
1.1.4
For cycle life, use the normal charging or trickle charging method and minimize the fast charge.
8
INR 18650 35 E
Handling Instructions
TerraE Confidential Proprietary and not be reproduced without written permission from BMZ Germany GmbH, Zeche Gustav 1, 63791 Karlstein
1.2 DISCHARGING
1.2.1
Discharge end voltage must not be below 2.45V.
1.2.2
Discharge temperature range should be -20°C ~ +55°C(see spec
3.5/3.6,
temperature tolerance ±
2
°C). If surface tempera-
ture exceeds 70 degrees, the discharge must be stopped.
1.3 STORAGE
Any storage, cell should be in low humidity (l
45%-
7
5
%RH), no corrosive gas atmosphere area. And there is no press and con-
densation on the cell. Best temperature range -20°C ~ 20°C. The capacity of cell is
40
% - 5
0
% SOC.
When stored within 1 month:
-5°C ~ 45°C
When stored within 3 months:
-5°C ~ 45°C
When stored within 12 months:
-5°C ~ 30°C
