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Samsung SDI Li-ion cells

  • Samsung 33G SDI 33G3 18650 3C 2800mAh Battery
Samsung 33G SDI 33G3 18650 3C 2800mAh Battery

Samsung 33G SDI 33G3 18650 3C 2800mAh Battery

Samsung 33G SDI 18650 3C Li-ion Battery Cells

SDI 33G3, large qty in stock, original packaging, fast shipping by air or sea
MSDS UN38.3 RoHS CB KC BIS UL1642 IEC62133


Samsung 33G Cell Specification

1. Scope
This product specification has been prepared to specify the rechargeable lithium-ion cell
('cell') to be supplied to the customer by Samsung SDI Co., Ltd.
2. Description and Model
2.1 Description Cell (SDI 33G3)
2.2 Model INR18650-33G (Version 3)
2.3 Site Manufactured in China & Korea
3. Nominal Specifications
3.1 Standard Discharge Capacity
(Nameplate Capacity)
Min 2,800mAh
- Charge : 0.33C(924mA), 4.125V, 0.025C(70mA) cutoff @RT
- Discharge : 1C(2,800mA), 2.5V cutoff @ RT
* 1C = 2,800mA
3.2 Charging Method: CC-CV (constant voltage with limited current)
3.3 Max Charging Voltage: 4.125V, 4.050V (for ESS, min 2200mAh @4.050V)
3.4 Charging Current rate:
0.33C (924mA) * 1C = 2,800mA
0.50C (1250mA) (For ESS ) * 1C = 2,500mA
3.5 Discharge Current rate
1C (2,800mA) * 1C = 2,800mA
0.50C(1250mA) (For ESS ) * 1C = 2,500mA
3.6 Discharge Cut-off Voltage 2.5V
3.7 Operating Temperature (Cell Surface Temperature)
Charge : 0 to 45℃ (0 to 70℃: for certification purpose only)
Discharge:-20 to 60℃(-20 to 70℃: for certification purpose only)
3.8 Cycle life 1
Capacity ≥ (80% of the Initial Capacity @RT) @after 1000cycles
- Charge : 0.33C(924mA), 4.125V, CCCV 70mA cut-off @ RT
- Discharge: 1.0C(2,800mA) , 2.5V cut-off @ RT
3.9 Cycle life 2 (ESS)
Capacity ≥ (70% of the Initial Capacity @RT) @after 3000cycles
- Charge : 0.5C(1,250mA), 4.05V, CCCV 62mA cut-off @ RT
- Discharge: 0.5C(1,250mA) , 2.5V cut-off @ RT

Samsung INR18650-33G