Článek Li-Ion Samsung 5330mAh 3.6V INR21700-58E

Samsung INR21700-58E - Powerful Li-ion cell 21700 with 5330 mAh capacity

The Samsung INR21700-58E cell is ideal for use in electric bike and scooter battery packs, where its high capacity ensures longer range and reliable performance even under higher loads. It's also great for cordless tools such as drills, saws and grinders where high discharge current and long life are needed. Its stable performance also makes it popular in powerful LED flashlights and headlamps. It is also used in battery storage, backup power supplies (UPS) and power banks. It is also suitable for demanding DIY projects where reliability and capacity reserve are key.

Main advantages

• High capacity: up to 5330 mAh
• High discharge currents: up to 3C (15.99 A)
Long
• lifetime: min. 500 cycles
• Stable performance even under high load
• Compatible with 21700 cells

Technical parameters

Capacity & power

• Standard capacity: min. 5330 mAh (0.2C discharge)
Rated
• capacity: min. 5170 mAh (1C discharge)
Rated
• voltage: 3.64 V
• Max. charging voltage: 4.2 V
• Discharging cut-off voltage: 2.5 V

Charging and discharging

• Standard charging current: 0.5C (≈2665 mA)
• Max. charging current: 1C (≈5330 mA) (not suitable for cyclic use)
• Standard charging time: approx. 4 hours
• Max. discharge current:
2C
• (10.66 A) - for continuous operation
3C
• (15.99 A) - for short-term operation

Lifetime and reliability

Cyclic life: min. 500 cycles while maintaining ≥ 80% capacity (approx. 4136 mAh)

Recovered capacity after storage: ≥ 90% (approx. 4,797 mAh after 20 days at 60 °C)

Temperature ranges

• Charging: 0 to 45 °C
• Discharging: -10 to 60 °C
• Storage:
1
• year: -20 to 23 °C
3
• months: -20 to 45 °C
1
• month: -20 to 60 °C

Dimensions and weight

• Height: max. 71 mm
• Diameter: max. 21.78 mm
Weight
• : max. 74 g