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Home > Products > 21700 Batteries >

Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain

Quality Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain factory
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Quality Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain factory
Quality Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain factory
Quality Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain factory
Quality Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain factory
>

Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain

Product Summary

High Capacity 21700 Batteries for Electric Vehicles, Flashlights, and Portable Electronics Product Overview XTAR INR 21700-50E 5000mAh Li-ion battery, designed for high-performance flashlights, delivers 10A continuous discharge. It features all-around protection (over-charge, over-discharge, short...

Product Custom Attributes

Operating Temperature(℃):
-20~60
Weight:
80g
Internal Resistance:
≤45mΩ
Protected Or Not:
Protected
OEM/ODM:
Acceptable
Model:
3.6V 21700 5000mAh Raw
Battery Type:
Lithium-ion (Flat-Top, Unprotected)
Rated Voltage:
3.6V
Nominal Capacity:
5000mAh
Max Pulse Discharge:
70A
Cycle Life:
≥500 Times
Product:
21700 Batteries
Type:
21700
Highlight:

Protected 21700 Batteries

,

21700 Batteries 80g

,

Impact resistant 21700 battery high drain

Basic Properties

Place of Origin:
China
Brand Name:
XTAR
Certification:
CE/RoHS/UN38.3/MSDS
Model Number:
21700 5000mAh

Trading Properties

Minimum Order Quantity:
500
Price:
$5.1/pcs
Packaging Details:
Color box+battery box
Delivery Time:
7-30 Days
Payment Terms:
T/T
Supply Ability:
2000pcs/day

Product Description

High Capacity 21700 Batteries for Electric Vehicles, Flashlights, and Portable Electronics
Product Overview

XTAR INR 21700-50E 5000mAh Li-ion battery, designed for high-performance flashlights, delivers 10A continuous discharge. It features all-around protection (over-charge, over-discharge, short-circuit), 500+ recharge cycles, low self-discharge, and extreme temperature resistance (-20°C~60°C). RoHS & CE certified, it's cost-effective, eco-friendly, and ensures long-lasting, safe power for demanding tasks.

Key Features
  • 3.6V protected 21700 battery
  • Button top design
  • Constant discharging current: 10A
  • Cell: INR21700-50E
  • Low internal resistance, high energy efficiency
  • Impact resistant and eco-friendly
Technical Specifications
Nominal Capacity 5000mAh
Nominal Voltage 3.6V
Standard Charging Voltage 4.2V
End-of-discharge Voltage 2.5V
Continuous Discharge Current 10A
Cell INR21700-50E
Size φ21.5±0.3mm × 74.5±0.5mm
Protected or Not Yes
Applications
XTAR battery applications in various electronic devices
About XTAR

Established in 2006, XTAR is a leading provider of high-quality lithium-ion batteries, smart chargers, and LED flashlights. Based in Shenzhen, we integrate R&D, production, and sales to deliver innovative power solutions. With over 20 years of expertise, XTAR is your trusted partner for reliable energy products, offering customized solutions for OEM and wholesale clients.

Company Timeline
2005: Developed PK keychain flashlight with superior batteries and LEDs for brighter output and longer runtime.
2006: Introduced industry's first 16340 and 18650 lithium-ion batteries with protection circuits.
2009: Pioneered three-stage charging technology for lithium batteries (Patent No.: 201720828840.6).
2011: Launched WP2II charger with 0V activation & USB output.
2013: Released PANZER XP4, first charger for both lithium-ion and nickel-metal hydride batteries.
2017: Launched Over 4 Slim, market's first 4.1A*2 fast charger with internal resistance/temperature detection.
2020: Introduced next-gen 1.5V rechargeable AA lithium batteries.
2024: Expanded 1.5V AA/AAA lithium battery line with Constant Voltage + Linear series.
2025: Joined U.S. ATA & SHOT Show; launched world-first touch battery power check technology.
Manufacturing Capabilities

We operate our own factory with efficient production processes ensuring precise production cycles. Manufacturing under our original brand guarantees product consistency and provides convenient maintenance and after-sales service. XTAR integrates the brand values of safety, reliability, and innovation into every product.

XTAR manufacturing facility and production process
Partners
XTAR global partners and distribution network
Global Certifications
ISO-9001 Certification
MSDS Certification
UN38.3 Certification
CE Certification
RoHS Certification
XTAR product certification documents and compliance badges
Frequently Asked Questions
Can I have a sample order for Battery/Charger?
Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
What about the lead time?
Sample needs 1-2 days, mass production time needs 3-7 working days.
How do you ship the goods and how long does it take to arrive?
DHL, UPS, FedEx or TNT and others shipping method is available. Arriving time depends on the way you choose. Airline and sea shipping also optional. Warehouse in Texas, shipment is free in US.
Is it OK to print my logo on the product?
Yes. We have our own R&D Department and Factory. Both OEM and ODM are acceptable.
What industries do you provide supporting equipment for?
We can provide professional supporting services for many industries, such as electric toothbrushes, thermal imagers, infrared devices, thermal imaging scope, flashlights, toy cars, smart locks, and so on.
Where do you ship from?
We can ship from Shenzhen, China, and we also have overseas warehouses in the U.S., so we can also ship directly from the U.S.

Contact Our Experts And Get A Free Consultation!

Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.