SPB273439

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Product Description

General Specification

Item Specification
3.1 Nominal Capacity350 mAh(0.2C discharge)
3.2 Energy densityVolumetric362 Wh/L
Gravimetric190 Wh/Kg
3.3 Nominal Voltage3.7V
3.4 Operating Voltage Range3.00V ~ 4.20V
3.5 StandardCharge Current175mA (0.5C)
Discharge Current70mA (0.2C)
3.6 MaximumCharge Current350mA (1.0C)
Discharge Current700mA (2.0C)
3.7 Operating
Temperature		Charge0 ℃ ~ 45 ℃
Discharge- 20 ℃ ~ 60 ℃
3.8 Storage Temperature0 ℃ ~ 25 ℃≤ 1 Year
0 ℃ ~ 40 ℃≤ 3 Month
- 10 ℃ ~ 50 ℃≤ 1 Month
3.9 Storage Humidity45~85%RH
3.10 Cell sizeThickness2.7 + 0.2/-0.4mm (Initial fully charged Cell)
WidthMax 34.0mm
Length39.0 +0.5/-0.0mm
3.11 AC ImpedanceM ax. 100 mΩ
3.12 WeightMax. 6.8g

Safety

1. Overcharge Test
Test method: To charge the standard charged cell with 5V and 1.0A at 25±5℃ for 2.5 hours.
Criteria: No fire, and no explosion.

2. External Short-circuit Test
Test method: To short-circuit the standard charged cell by connecting positive and
negative terminal by less than 100mΩ wire at 25±5℃ for 2.5 hours.
Criteria: No smoke, No fire, and no explosion.

3. Reverse Charge Test
Test method: To charge reverse the standard charged cell with charge current 1.0C
at 25±5℃ for 2.5 hours.
Criteria: No fire, and no explosion.

4. Heating Test
Test method: To heat the standard charged cell at heating rate 5±2℃ per minute up to
130℃ and keep the cell in oven for 60 minutes.
Criteria: No fire, and no explosion within 60 minutes.

5. Crush
Test method: To crush the standard charged cell with force of 13kN at 25±5℃.
(Crushed side is longitudinal and narrow axis.)
Criteria: No fire, and no explosion.

6. Impact 15.8 9.1 61
Test method : To place 15.8mm diameter bar across the center of standard charged cell,
and drop 9.1kg weight from 61cm height onto the cell at 25±5℃.
(Impacted side is longitudinal and wide axis.)
Criteria : No fire, and no explosion.

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