1. This product specification has been prepared to specify the rechargeable lithium-ion cell (“Cell”or“Cells”) to be supplied to the customer by Samsung SDI Co., Ltd. (“Samsung SDI”)
2. Description and Model
2.1 Description Cell (SDI 48X2)
2.2 Model INR21700-48X (Version 2)
2.3 Site Manufactured in Korea
3. Nominal Specifications
3.1 Standard discharge Capacity Min 4,650mAh, Typ. 4,800mAh
- Charge: 0.33C(1,584mA),4.2V, 0.025C(120mA) cutoff @ RT
- Discharge : 0.2C(960mA), 2.5V cutoff @ RT (Avoid direct wind)
* 1C = 4,800mA
3.2 Rated discharge capacity Min. 4,650mAh, Typ. 4,800mAh
- Charge: 0.33C(1,584mA),4.2V, 0.025C(120mA) cutoff @ RT
- Discharge : 1.0C(4,800mA), 2.5V cutoff @ RT (Avoid direct wind)
*1C = 4,800mA
3.3 Max charging Voltage 4.2V (4.15V for cycle life2)
3.4 Nominal Voltage 3.64V
3.5 Charging Method CC-CV (constant voltage with limited current)
3.6 Charging Current rate 0.33C (1,584mA)
3.7 Discharge Cut-off Voltage 2.5V (3.0V for cycle life2)
3.8 Cycle life
Capacity ≥ 70% @ after 3,000cycles (70% of the Initial Capacity @ RT)
- Charge : 1.0C(4,800mA), 4.10V, CCCV 0.05C(240mA) cut-off @ RT
- Discharge: 1.0C(4,800mA), 3.0V cut-off @ RT
3.10 Cell Weight Max 69.5g
3.11 Cell Dimension
Contact: Michael Lee
Phone: +86-18688-788968
Email: michael@ancoo-battery.com
Add: No.2, Hongye South 2 Rd, Tangxia, Dongguan, China, 523710