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{"title":"Rechargeable Lithium Battery 21700 Battery Lithium Ion Cell 4900mAh Protected","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/4b\/8d27368db9a70783d574085ed9ce-200x200-1\/rechargeable_lithium_battery_21700_battery_lithium_ion_cell_4900mah_protected.jpg","attrs":{"Brand Name":"XTAR","Model Number":"21700 4900mAh","Certification":"CE\/RoHS\/UN38.3\/MSDS","Place of Origin":"China"}}
{"title":"Protected 21700 Batteries Li Ion 80g Impact Resistant 21700 Battery High Drain","imgUrl":"https:\/\/img.chinax.com\/nimg\/97\/10\/017ee7eb192b12c8a361e2c7d74b-200x200-1\/protected_21700_batteries_li_ion_80g_impact_resistant_21700_battery_high_drain.jpg","attrs":{"Brand Name":"XTAR","Model Number":"21700 5000mAh","Certification":"CE\/RoHS\/UN38.3\/MSDS","Place of Origin":"China"}}
{"title":"Li Ion 21700 Protected Battery 70A RoHS CE 21700 Rechargeable Lithium Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/1a\/82\/d7a824455b6184d84f7de647b988-200x200-1\/li_ion_21700_protected_battery_70a_rohs_ce_21700_rechargeable_lithium_battery.jpg","attrs":{"Brand Name":"XTAR","Model Number":"21700 5000mAh Raw","Certification":"CE\/RoHS\/UN38.3\/MSDS","Place of Origin":"China"}}
{"title":"Rechargeable Lithium 21700 Batteries 5000mAh 25A Electronics Ion Cells","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/a6\/38d0279c451e3ce45f2e1b8af78a-200x200-1\/rechargeable_lithium_21700_batteries_5000mah_25a_electronics_ion_cells.jpg","attrs":{"Brand Name":"XTAR","Model Number":"21700HP 5000mAh","Certification":"CE\/RoHS\/UN38.3\/MSDS","Place of Origin":"China"}}
{"title":"800+ Cycles 21700 Lipo Battery Long Life High Reliability 21700 Lithium","imgUrl":"https:\/\/img.chinax.com\/nimg\/a9\/c0\/8498a38a67f574388f7189c67da0-200x200-1\/800_2b_cycles_21700_lipo_battery_long_life_high_reliability_21700_lithium.jpg","attrs":{"Brand Name":"XTAR","Model Number":"21700 5000mAh(C)","Certification":"CE\/RoHS\/UN38.3\/MSDS","Place of Origin":"China"}}
70A Peak / 15A Continuous Discharge, Ideal for High-Drain Applications
500+ Charge Cycles, Durable & Long-Lasting
-20°C ~ 60°C Wide Operating Temperature Range
RoHS/CE Certified, Safe for Industrial Use
Technical Specifications
Item
Specification
Model
3.6V 21700 5000mAh Raw
Battery Type
Lithium-ion (Flat-Top, Unprotected)
Rated Voltage
3.6V
Nominal Capacity
5000mAh
Max Continuous Discharge
15A
Max Pulse Discharge
70A (2s pulse)
Cycle Life
≥500 Times
Charging Voltage
4.2±0.05V
Charging Current
2.5A
Operating Temperature
-20°C ~ 60°C
Storage Temperature
-20°C ~ 45°C
Certification
CE / RoHS / UN38.3 / MSDS
Size
Φ21.45±0.2mm × H70.65±0.3mm
Weight
≤72g
Applications
Industrial Equipment & Tools: 15A continuous discharge for reliable power
High-Capacity Power Banks: High output for fast charging
Flashlights & High-Lumen Devices: 70A peak discharge for extreme brightness
RC Models & Drones: High-performance power for demanding builds
Consumer Electronics & Custom Projects: Versatile power for various applications
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.
Global Reach
XTAR has established business and service relations with more than 150+ countries around the world.
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
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 with 4.1A*2 fast charging and internal resistance 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
Entered outdoor, optical, night vision & thermal imaging sectors; launched 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.
Partners
Global Certifications
ISO-9001 Certification MSDS Certification UN38.3 Certification CE Certification RoHS Certification
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Total Annual:
30000000-100000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Shenzhen Xtar Electronics Co., Ltd., a combined enterprise located in Shenzhen, Guangdong, specializes in the R&D and manufacturing of high-quality lithium-ion batteries and smart chargers, With an in‑depth presence across various industrial application scenarios, the company provides customer... Shenzhen Xtar Electronics Co., Ltd., a combined enterprise located in Shenzhen, Guangdong, specializes in the R&D and manufacturing of high-quality lithium-ion batteries and smart chargers, With an in‑depth presence across various industrial application scenarios, the company provides customer...
