MachineU > China Products > Electrical Equipment & Supplies > Medium & High Voltage Products > Lightning Protection&Earthing
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Specifications
Brand Name :
XTAR
Model Number :
21700 5000mAh
Certification :
CE/RoHS/UN38.3/MSDS
Place of Origin :
China
MOQ :
500
Price :
$5.1/pcs
Payment Terms :
T/T
Supply Ability :
2000pcs/day
Delivery Time :
7-30 Days
Packaging Details :
Color box+battery box
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
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
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
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.

Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Partners
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Global Certifications
ISO-9001 Certification
MSDS Certification
UN38.3 Certification
CE Certification
RoHS Certification
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
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.
Send your message to this supplier
Send Now

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

Ask Latest Price
Product Detail
Brand Name :
XTAR
Model Number :
21700 5000mAh
Certification :
CE/RoHS/UN38.3/MSDS
Place of Origin :
China
MOQ :
500
Price :
$5.1/pcs
Contact Supplier
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain
Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain

ShenZhen XTAR Electronics Co., Ltd

Verified Supplier
1 Years
guangdong, shenzhen
Since 2006
Business Type :
Manufacturer
Main Products :
AA Batteries, AAA Batteries, 1.5V AA Batteries
Total Annual :
20000000$-30000000$
Employee Number :
100~150
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products 21700 Batteries
MachineU China Products Electrical Equipment & Supplies Medium & High Voltage Products Lightning Protection&Earthing
Contact Supplier
Submit Requirement