Part Number: ICR18650-26C
Function: Lithium-ion Rechargeable Cell
Manufacturer: Samsung
Images:
Description
The ICR18650-26C is Lithium-ion Rechargeable Cell.
3.1 Nominal Capacity 2600mAh (0.2C, 2.75V discharge)
3.2 Minimum Capacity 2550mAh (0.2C, 2.75V discharge)
3.3 Charging Voltage 4.2 ±0.05 V
3.4 Nominal Voltage 3.7V
3.5 Charging Method CC-CV
(constant voltage with limited current)
3.6 Charging Current Standard charge : 1300mA
Rapid charge : 2600mA
3.7 Charging Time Standard charge : 3hours
Rapid charge : 2.5hours
3.8 Max. Charge Current 2600mA(ambient temperature 25℃)
3.9 Max. Discharge Current 5200mA(ambient temperature 25℃)
3.10 Discharge Cut-off Voltage 2.75V
3.11 Cell Weight 47.0g max
No. 1.0 1. Scope This product specification has been prepared to specify the rechargeable lithium-ion cell (‘cell’) to be supplied to customer 2. Description and Model 2.1 Description Cell (lithium-ion rechargeable cell) 2.2 Model ICR18650-26C 3. Nominal Specifications Item Specification 3.1 Nominal Capacity 2600mAh (0.2C, 2.75V discharge) 3.2 Minimum Capacity 3.3 Charging Voltage 2550mAh (0.2C, 2.75V discharge) ±4.2 0.05 V 3.4 Nominal Voltage 3.5 Charging Method 3.6 Charging Current 3.7 Charging Time 3.8 Max. Charge Current 3.9 Max. Discharge Current 3.7V CC-CV (constant voltage with limited current) Standard charge : 1300mA Rapid charge : 2600mA Standard charge : 3hours Rapid charge : 2.5hours ℃2600mA(ambient temperature 25 ) ℃5200mA(ambient temperature 25 ) 3.10 Discharge Cut-off Voltage 2.75V 3.11 Cell Weight 47.0g max 3.12 Cell Dimension 3.13 Operating Temperature 3.14 Storage Temperature Height : 65.00mm max Diameter : 18.40mm max ℃Charge : 0 to 45 ℃Discharge : -10 to 60 ℃1 year : -20~25 (1*) ℃3 months : -20~45 (1*) ℃1 month : -20~60 (1*) Note (1): If the cell is kept as ex-factory status (50% of charge), the capacity recovery rate is more than 80%. 1 -SAMSUNG SDI Confidential Proprietary – Spec. No. ICR18650-26C Version No. 1.0 4. Outline Dimensions See the attachment (Fig. 1) 5. Appearance There shall be no such defects as scratch, rust, discoloration, leakage which may adversely affect commercial value of the cell. 6. Standard Test Conditions 6.1 Environmental Conditions Unless otherwise specified, all tests stated in this specification are ± ℃ ±conducted at temperature 25 3 and humidity 65 20%. 6.2 Measuring Equipment (1) Ammeter and Voltmeter The ammeter and voltmeter should have an accuracy of the grade 0.5 or higher. (2) Slide caliper The slide caliper should have 0.01 mm scale. (3) Impedance meter The impedance meter with AC 1kHz should be used. 7. Characteristics 7.1 Standard Charge This “Standard Charge” means charging the cell with charge current ℃1300mA and constant voltage 4.2V at 25 for 3hours. 7.2 Standard Discharge Capacity The standard discharge capacity is the initial discharge capacity of the cell, which is ℃measured with discharge current of 520mA with 2.75V cut-off at 25 within 1hour after the standard charge. Standard Discharge Capacity ≥ 2550mAh 7.3 Initial internal impedance Initial internal impedance measured at AC 1kHz after rated charge. ≤ ΩInitial internal impedance 100m 7.4 Temperature Dependence of Discharge Capacity Capacity comparison at each temperature, measured with discharge co […]
