Specifications

• INR21700-5000 lithium-ion battery
• Model: INR21700-5000
• Chemistry: Lithium Nickel Cobalt Aluminum Oxide (INR)
• Nominal Voltage: 3.6V
• Nominal Capacity: 5000mAh (18Wh)
• Minimum Capacity: 4900mAh
• Charge Voltage: 4.2V (max)
• Discharge Cut-off: 2.5V
• Continuous Discharge: 10A
• Maximum Discharge: 15A (short burst)
• Internal Resistance: <20mΩ
• Top Type: Flat top
• Protection: Unprotected (no PCB)
• Dimensions: 21.0mm ± 0.2mm (D) x 70.0mm ± 0.2mm (L)
• Weight: 70g ± 2g
• Operating Temperature: Charge 0-45°C, Discharge -20-60°C

Features

• High capacity: 5000mAh at 3.6V nominal
• Continuous discharge: 10A (max 15A)
• Flat top design – ideal for battery packs
• Chemistry: INR (LiNiCoAlO2) – high drain
• No protection circuit – add BMS for packs
• Cycle life: >500 cycles at 1C charge/discharge
• Lightweight: ~70g
• Dimensions: 21mm diameter x 70mm length
• The Sunpower INR21700-5000 is a premium high-capacity 21700 lithium-ion battery designed for high-drain applications. With 5000mAh capacity and 10A continuous discharge, it outperforms most 18650 cells while maintaining similar dimensions.
• The INR chemistry provides excellent power delivery and thermal stability, making it perfect for power tools, high-performance flashlights, vaping devices, e-bikes, and custom battery packs. The flat top allows easy spot welding for pack building.
• Note: This is an unprotected cell. Always use with a proper BMS or protection circuit in multi-cell configurations. Charge with a dedicated Li-ion charger (CC/CV 4.2V).
• Ideal for users who demand longer runtime and higher current than 18650 batteries. The robust build ensures reliability in demanding environments.

What is the price of Sunpower INR21700-5000 lithium-ion battery 3.6V High Capacity Rechargeable Cell in Bangladesh?

The latest price of INR21700-5000 lithium-ion battery in Bangladesh is Price: ৳500.00 taka for 1 Pcs . You can buy this product at better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy Sunpower INR21700-5000 lithium-ion battery 3.6V High Capacity Rechargeable Cell in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get original INR21700-5000 lithium-ion battery From Dunia.com.bd . We have few collection of latest Lithium Battery to purchase. Order Battery, Storage Battery & Charger Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ

1. Is this battery protected?
   No, it’s unprotected. Add BMS for pack use.
2. What is the maximum discharge current?
   10A continuous, 15A max for short bursts.
3. Can I use it in a vape?
   Yes, excellent for high-wattage vaping.
4. Is it flat top or button top?
   Flat top – ideal for pack building.
5. How many cycles?
   Over 500 cycles with proper charging.
6. What charger should I use?
   Li-ion charger with 4.2V CC/CV (1A-2A recommended).
7. Can I use it with 18650 spacers?
   No, 21700 is larger. Use 21700 holders.
8. Is it original Sunpower?
   Yes, genuine INR21700-5000 cell.
9. Safe for e-bike packs?
   Yes, with proper BMS and balancing.
10. What is the actual voltage when full?
    4.2V when fully charged, 3.6V nominal.