Name: SunPower INR 21700 3.6V 18Wh 5000mAh Li-ion Rechargeable Battery Flat Top Brand New- 1Pc
Brand: MakersBD
Price: 390 BDT
Availability: InStock

13% Discount

SunPower INR 21700 3.6V 18Wh 5000mAh Li-ion Rechargeable Battery Flat Top Brand New- 1Pc

~~৳ 450~~ ৳ 390

SKU : MK0451

Brand: SunPower
Model: 21700
Capacity: 5000mAh (Min. 4900mAh)

Brand : MakersBD

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• Outside Dhaka 48 hours guaranteed delivery after order confirmation

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• Outsite Dhaka 120Tk

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Specification
Description
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Specification

Brand: SunPower
Model: 21700
Standard Discharge Rate: 3C
Type: Lithium-Ion Rechargeable Cell
Nominal Voltage: 3.7V
Nominal Capacity: 5000mAh (Min. 4900mAh)
Chemistry: Li-ion
Rechargeable: Yes
Applications: E-bikes, power banks, energy storage systems, high-drain devices, DIY projects

Rated discharge Capacity:

Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
Discharge : 1C(4,900mA), 2.5V cutoff @ RT
Charging Voltage: 4.2V
Nominal Voltage: 3.7V
Charging Method: CC-CV (constant voltage with limited current)
Charging Current Standard charge: 2,450mA
Charging Time Standard charge : 4hours
Max. Charge Current: 4,900mA (not for cycle life)
Discharge Cut-off Voltage: 2.5V-2.9V

Cycle life:

Capacity ≥ 3,942mAh @ after 1000 Cycles (80% of the Rated Discharge Capacity @ RT) at discharged 500mA

Description

This Sunpower 21700 is a lithium-ion rechargeable cell designed for high capacity and reliable performance. With a nominal capacity of 5000mAh and a nominal voltage of 3.7V, this battery is perfect for electric vehicles, power banks, high-drain devices, and DIY lithium battery packs.

Sunpower 21700 offers excellent energy density, long cycle life, and consistent discharge performance. Whether you’re upgrading an e-bike battery pack, building a power storage system, or replacing cells in a high-performance device.