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21700 Lithium‑ion Cell 3.7V 4500mAh High Capacity Rechargeable Cylindrical Battery Cell for DIY Battery Pack, E‑bike & Power Tools
21700 Lithium‑ion Cell 3.7V 4500mAh High Capacity Rechargeable Cylindrical Battery Cell for DIY Battery Pack, E‑bike & Power Tools
Specifications
Place of Origin :
Shenzhen, China
Supply Ability :
100000PCS
Packaging Details :
carton
Delivery Time :
10-15days
MOQ :
100PCS
Brand Name :
MEISAEN
Payment Terms :
T/T
Description

Product Overview

This 21700‑4800‑3.7V grade‑A cylindrical lithium‑ion cell features high energy density with 4800mAh capacity and 3.7V nominal voltage. Compared with 18650 cells, 21700 delivers larger capacity and higher power performance. Widely used for DIY battery pack assembly, power tools, e‑bike, portable devices and energy‑storage projects. Each cell passes strict capacity and safety testing before shipment.

Key Features

  • Grade‑A 21700 lithium‑ion cylindrical cell, genuine 4800mAh capacity, high energy density
  • Low internal resistance, stable discharge performance, supports 3C max continuous discharge
  • Long cycle life: ≥1000 charge‑discharge cycles, good capacity retention
  • Stable performance for DIY series‑parallel assembly for custom battery packs
  • Wide working temperature range, fit for indoor & outdoor equipment
  • Strict pre‑shipment testing, anti‑static packaging, support bulk wholesale
    Item Specification
    Model 21700‑4800‑3.7V
    Cell Type Grade‑A 21700 Lithium‑ion Cylindrical Cell
    Nominal Voltage 3.7V
    Nominal Capacity 4800mAh
    Full Charge Voltage 4.2V
    Discharge Cut‑off Voltage 2.5V
    Standard Charge Current 0.5C
    Max Charge Current 1C
    Max Continuous Discharge Current 3C
    Cycle Life ≥1000 Cycles
    Dimension Φ21mm*70mm
    Weight ≈70g
    Charging Temperature 0℃ ~ +45℃
    Discharging Temperature -20℃ ~ +60℃

    Applications

    Perfect for DIY battery pack building, e‑bike, electric scooter, power tools, flashlights, portable fans, RC models, energy‑storage equipment and other 3.7V‑based power projects. Support large‑quantity wholesale for battery pack manufacturers.

    Package & Wholesale

    All cells are capacity‑tested before delivery. Anti‑static individual packing. We support bulk order and OEM cooperation for battery‑pack factories.
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21700 Lithium‑ion Cell 3.7V 4500mAh High Capacity Rechargeable Cylindrical Battery Cell for DIY Battery Pack, E‑bike & Power Tools

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Product Detail
Place of Origin :
Shenzhen, China
Supply Ability :
100000PCS
Packaging Details :
carton
Delivery Time :
10-15days
MOQ :
100PCS
Brand Name :
MEISAEN
Contact Supplier
21700 Lithium‑ion Cell 3.7V 4500mAh High Capacity Rechargeable Cylindrical Battery Cell for DIY Battery Pack, E‑bike & Power Tools

Shenzhen Meisha New Energy Technology Co., LTD

Verified Supplier
1 Years
shenzhen
Since 2016
Business Type :
Manufacturer, Exporter
Main Products :
New Energy Battery, Polymer Lithium Ion Battery, 18650 Lithium Battery
Total Annual :
2000USD-3000
Employee Number :
100~150
Certification Level :
Verified Supplier
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