[2 Pack] 50E 21700 5000mAh 15A Rechargeable Battery | High Capacity Power Cell for Tools, E-Bikes & Flashlights

Upgrade your devices with the reliable [2 Pack] 50E 21700 5000mAh Li-Ion Batteries, engineered for high-performance and long-lasting power. Offering the same capacity as the Samsung 50E but with a stronger 15A continuous discharge rate, these rechargeable cells are the smart, cost-effective choice for professionals and hobbyists alike.

Perfect for power tools, e-bikes, scooters, flashlights, vaping devices, and custom battery packs, the 50E delivers consistent power output, superior runtime, and dependable safety under load. Its flat-top design and lithium-ion chemistry ensure efficient energy transfer and durability over hundreds of cycles.

Key Features:

• High Capacity Power: 5000mAh per cell for extended usage time.

• Strong Output: 15A continuous discharge current for demanding applications.

• Reliable Chemistry: Lithium-ion technology ensures stable voltage and long cycle life.

• Ideal for Builders: Excellent for DIY battery packs, tools, or e-mobility solutions.

• Smart Value: Comparable to Samsung 50E performance at a better price.

Specifications:

• Model: INR21700-50E

• Size: 21700 (21×70 mm)

• Top: Flat Top

• Capacity: 5000mAh

• Continuous Discharge: 15A

• Pulse Discharge: 20A

• Nominal Voltage: 3.6V

• Max Voltage: 4.2V

• Cut-off Voltage: 2.5V

• Weight: Approx. 69g

• Protection: Unprotected Cell

FAQs

Q1: Is this battery compatible with Samsung 50E?
Yes, it is a cost-effective equivalent to the Samsung 50E, offering the same 5000mAh capacity with enhanced 15A discharge capability.

Q2: Can I use these batteries in power tools or e-bikes?
Absolutely. These 21700 batteries are designed for high-drain applications like e-bikes, scooters, and cordless tools.

Q3: Are these batteries protected or unprotected?
They are unprotected flat-top cells, ideal for use in battery packs or devices with built-in protection circuits.

Q4: How do I safely charge these batteries?
Use a dedicated Li-ion charger compatible with 21700 cells and ensure you follow standard charging safety practices (charge in a fire-safe area, avoid overcharging or deep discharging).