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Samsung INR18650-25R 2500mAh, 3.6V (4.2 charging), 20A - 340р

review
Nominal discharge capacity: 2,500mAh
Nominal voltage: 3.6V
Standard charge: CCCV, 1.25A, 4.20 ± 0.05 V, 100mA cut-off
Rapid charge: CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off
Charging time: Standard charge : 180min / 100mA cut-off
Rapid charge: 60min (at 25°C) / 100mA cut-off
Max. continuous discharge: 20A(at 25°C), 60% at 250 cycle
Discharge cut-off voltage: 2.5V
Cell weight: 45.0g max
Cell dimension: Height : 64.85 ± 0.15mm, Diameter : 18.33 ± 0.07mm
Operating temperature (surface temperature): Charge : 0 to 50°C (recommended recharge release < 45°C), Discharge: -20 to 75°C (recommended re-discharge release < 60°C)
Storage temperature (Recovery 90% after storage): 1.5 year -30~25°C, 3 months -30~45°C, 1 month -30~60°C

LG HE2 18650 2500mAh, 3.6V (4.2 charging), 20A - 330р. каждому!

review
Nominal Capacity: 2,500 mAh
Minimum Capacity: 2,475 mAh (Cmin)
Nominal Voltage: 3.6V
Standard Charge: Constant current 1250mA, Constant voltage 4.2V, End condition(Cut off) 50mA
Fast charge: Constant current 4000mA, Constant voltage 4.2V, End condition(Cut off) 100mA
Max. Charge Voltage - 4.2V
Max. Charge Current - 4000mA
Standard Discharge: Constant current 500mA, End voltage(Cut off) 2.0V
Fast Discharge: Constant current 10000mA, 20000mA, End voltage(Cut off) 2.0V
Max. Discharge Current For continuous discharge 20000mA
Weight Max. 48.0 g
Operating Temperature (Cell Surface Temperature) Charge 0 ~ 50°C Discharge -20 ~ 75°C
Storage Temperature (40% charged): 1 month -20 ~ 60°C, 3 month -20 ~ 45°C, 1 year -20 ~ 20°C
Cycle life to 60% capacity: 300 cycles(10A) or 200 cycles(15A)