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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":"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"}}
High Capacity & Power: 5000mAh capacity, supports 70A peak discharge (15A continuous) for intense performance
Extreme Environment Ready: Reliable operation in -20℃ to 60℃, ideal for rugged outdoor use
Longevity & Durability: Over 500 charge cycles, maintaining stable performance over time
Safe & Eco-Friendly: RoHS/CE certified, mercury/cadmium/lead-free, with built-in safety protection
Compact & Lightweight: Measures 21.45×70.65mm, weighs ≤72g, easy to carry and install
Technical Specifications
Model
3.6V 21700 5000mAh Raw
Capacity
5000mAh
Voltage
3.6V
Max Continuous Discharge Current
15A
Max Pulse Discharge Current
70A (2s pulse)
Charging Voltage
4.2 ± 0.05V
Charging Current
2.5A
Operating Temperature
-20-60°C
Storage Temperature
-20-45°C
Cycle Life
500+
Protected
No
Positive Terminal
Flat Top
Dimensions (mm)
Φ21.45±0.2 x H70.65±0.3
Net Weight (g)
≤72
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 for brighter performance and longer runtime
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, first intelligent charger for lithium-ion and nickel-metal hydride batteries
2017: Launched Over 4 Slim, market's first 4.1A*2 fast charger with advanced 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.
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...
