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{"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"}}
Suitable for Electric Vehicles, Power Tools, and Home Energy Storage Systems
Product Overview
XTAR 21700 4900mAh Li-ion battery powers high-performance flashlights with 10A continuous discharge. Boasts 600+ recharge cycles, low self-discharge, and robust all-around protection (over-charge, over-discharge, short-circuit). Eco-friendly, impact-resistant, and RoHS/CE-certified. Withstands -20°C to 60°C, ideal for extreme environments. Cost-effective, long-lasting, and fast-charge compatible.
Key Features
3.6V protected 21700 battery with button top
Constant discharging current: 10A
Cell: INR21700-50T
Low internal resistance, high energy efficiency
Over-charge, over-discharge, short circuit protection
Impact resistant and eco-friendly
Technical Specifications
Nominal Capacity
4900mAh
Nominal Voltage
3.6V
Standard Charging Voltage
4.2V
End-of-discharge Voltage
2.5V
Continuous Discharge Current
10A
Cell
INR21700-50T
Size
φ21.4±0.3mm × 74.8±0.5mm
Protected or Not
Yes
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.
Company Timeline
2005: Developed PK keychain flashlight with superior batteries and LEDs
2006: Introduced industry's first protected 16340 and 18650 lithium-ion batteries
2009: Pioneered three-stage charging technology for lithium batteries
2011: Launched WP2II charger with 0V activation & USB output
2013: Released PANZER XP4 intelligent charger
2017: Launched Over 4 Slim fast charger with advanced detection features
2020: Introduced next-gen 1.5V rechargeable AA lithium batteries
2024: Expanded 1.5V AA/AAA lithium battery line
2025: Joined U.S. ATA & SHOT Show and 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 more.
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...
