Microsoft Word icr18650-22f specification Tentative doc


Pack Quality Requirement for safety and quality epidemic issue



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Samsung-ICR18650-22F-Datasheet

Pack Quality Requirement for safety and quality epidemic issue

 
1-1 The battery pack’s consumption current.
-
Sleep Mode : Under 250uA. 
-
Shut Down Mode : Under 10uA / Under 3.0V. 
Under 1uA / Under 2.5V. 
1-2 SOC 0%
-
Cell voltage in SOC 0% of Pack should be Min. 3.0V. 
(Discharging Cut-off Voltage) 
1-3 Operating Charging Voltage of a cell.
- Normal operating voltage of a cell is 4.20V 
-
Max operating voltage of a cell is 4.25V. 
1-4. No continuous charge 
-
Charge cut-off condition : Cut-off Current over than 1/20C 
-
(Charging 
method:CC-CV) 
-
Initial recharging condition : Remaining Capacity under than 90% or voltage 
under than 4.10V 
1-5. Pre-charging function 
- Pre-charge function should be implemented to prevent abnormal high rate 
charging after deep discharge. 
- Pre-charging condition Operation : Under 3.0V 
Charging current : Under 150mA/Cell.(Continuous) 
Pre-charge stop (Normal Charge Start) : All cells reach 3.0V 
1-6. Cell voltage monitoring system. 
-
The system (Charger or Pack) should equip a device to monitor each Cell 
voltage and to stop charging if a cell imbalance happened.
1-7 The battery pack should have warning system for over temperature, over voltage,
over current, and unexpected events would be harm to system. If battery faces 
harsh condition such as over temperature, Battery pack should control FET-off 
directly.
1-8 Mechanical guides. 
- PCBA and Cell stack should have heat insulation material between them.(Such 
as plastic barrier which is giving air isolation or non-thermal conductive 
material.) 
- B+ and B- wire connection should not be crossed each other. Do not make 
wire which had the voltage difference more than 4.0V get together. 
- The material such as double sided tape and rubber which are used in battery 
pack should be verified for its flammability.

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