Grade‑A 21700‑5000 3.65V 5000mAh rechargeable lithium ion cell with high energy density, 15A continuous discharge, long cycle life. Widely used for e‑bike battery pack, power tools, power banks, portable electronics. Support bulk wholesale & battery pack OEM assembly. Certificates: CE, UN38.3, RoHS, MSDS.
Our 21700‑5000 3.65V 5000mAh NCM lithium‑ion cell (INR21700‑50E) is high‑capacity cylindrical rechargeable cell, widely upgraded replacement for 18650 cells for battery pack assembly.
Adopts high‑nickel NCM cathode material, nominal voltage 3.65V, nominal capacity 5000mAh(5Ah), max continuous discharge 3C(15A), stable output under high‑load conditions. Low internal resistance brings excellent thermal performance, effectively reduces heat generation during discharge, supports >1000 deep charge‑discharge cycles, keeps stable capacity after long‑time usage.
Main Features
- Model:21700‑5000 / INR21700‑50E
- Nominal Voltage:3.65V;Max charging voltage:4.2V;Cut‑off discharge voltage:2.5V
- Nominal Capacity:5000mAh(5Ah)
- Discharge Rate:3C Continuous 15A
- Cycle Life:>1000 cycles @ 1C charge‑discharge
- Dimension:21mm(D) ×70mm(L)
- Weight:≈70g
- Chemistry:NCM Lithium‑ion
- Grade:New Grade‑A cell, no refurbished, no reused cells
- Certificates:CE, UN38.3, RoHS, MSDS
- Terminal:Flat top
Wide Applications
Perfect for DIY battery packs, electric bicycle / e‑scooter, power tools, portable power station, power bank, LED flashlights, outdoor equipment, robot equipment and other high‑drain portable devices.
Wholesale Information
- MOQ:Support small batch & large volume order
- OEM & ODM:Custom label, custom pack service available
- Shipment:Support sea freight, air freight, DDP shipping for global clients
- Quality control:100% capacity & internal resistance testing before delivery
Notice:This is bare cell without built‑in protection PCB. Please use proper BMS for battery pack assembly.