Samsung ICR18650-35E li ion battery cell

The Samsung ICR18650-35E cell is excellent 18650 battery cells with highest capacity right now. Being able to handle 8A Max. continuous discharge current it still holds 3250mAh. You will get full 3500mAh if discharge current only 0.5A. 

lygte-info testing:

Nominal Specifications 

 3.1 Standard discharge Capacity
Min 3,350mAh
- Charge : 0.5C(1,700mA), 4.2V, 0.02C(68mA) cut-off @RT
- Discharge : 0.2C(680mA), 2.65V cut-off @RT
*1C=3,400mA
3.2 Charging Voltage 4.2V
3.3 Nominal Voltage 3.60V
3.4 Charging Method CC-CV
(constant voltage with limited current)
3.5 Charging Current Standard charge: 1,700mA
For cycle life : 1,020mA
3.6 Charging Time Standard charge: 4hours
3.7 Max. Charge Current 2,000mA (not for cycle life)
3.8 Max. Discharge Current 8,000mA (for continuous discharge)
13,000mA (not for continuous discharge)
3.9 Discharge Cut-off Voltage 2.65V
3.10 Cell Weight 50 g max
3.11 Cell Dimension Height : Max. 65.25 mm
Diameter: Max. 18.55 mm
3.12 Operating Temperature
(Cell Surface Temperature)
Charge : 0 to 45°C
Discharge : -10 to 60°C
3.13 Storage Temperature
1 year : -20~25°C (1*)
3 months : -20~45°C (1*)
1 month : -20~60°C (1*)
Note (1): If the cell is kept as ex-factory status (30% of charge),
 The capacity recovery rate is more than 80%.

9. Safety 
  9.1 Overcharge test 
 Test method: To charge with 20A-20V at 25℃ for 2hr. 
 Criteria: No fire, and no explosion. 
 9.2 External short-circuit test 
Test method: To short-circuit the standard charged cell (or 50% discharged cell) 
by connecting positive and negative terminal by 50mΩ wire for 10min. 
 Criteria: No fire, and no explosion. 
 9.3 Reverse charge test 
Test method: To charge the standard charged cell with charge current 10A 
By 0V for 2.5 hours. 
 Criteria: No fire, and no explosion. 
9.4 Heating test 
 Test method: To heat up the standard charged cell at heating rate 5℃ per minute up to 
 150℃ and keep the cell in oven for 10 minutes. 
 Criteria: No fire, and no explosion. 

Another test by thunderheart