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10A 21700 Cell Battery 2.5V Flashlights 21700 Button Top
Product Details:
| Place of Origin: | China |
| Brand Name: | XTAR |
| Certification: | CE/RoHS/UN38.3/MSDS |
| Model Number: | 21700 5000mAh |
Payment & Shipping Terms:
| 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 |
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Detail Information |
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| Model: | 3.6V 21700 5000mAh Raw | Battery Type: | Lithium-ion (Flat-Top, Unprotected) |
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| Rated Voltage: | 3.6V | Nominal Capacity: | 5000mAh |
| Max Pulse Discharge: | 70A | Cycle Life: | ≥500 Times |
| Product: | 21700 Batteries | Type: | 21700 |
| Highlight: | 10a 21700 button top,10a 21700 cell battery,2.5v 21700 button top |
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Product Description
21700 5000mAh Protected Li-ion Battery, 10A Continuous Discharge for Flashlights & High-Performance Devices
XTAR 21700 5000mAh - Protected High Capacity Lithium Battery
- 5000mAh Ultra-High Capacity 21700 Protected Battery
- 10A Continuous Discharge, Ideal for High-Drain Devices
- All-Round Protection (Over-Charge/Over-Discharge/Short-Circuit)
- 500+ Charge Cycles, Durable & Long-Lasting
- -20°C~60°C Wide Operating Temperature Range
Technical Specifications
| Model | 21700 5000mAh |
| Battery Type | Lithium-ion (Protected, Button Top) |
| Rated Voltage | 3.6V |
| Nominal Capacity | 5000mAh |
| Max Continuous Discharge | 10A |
| Cycle Life | ≥500 Times |
| Charging Voltage | 4.2V |
| End-of-Discharge Voltage | 2.5V |
| Operating Temperature | -20°C ~ 60°C |
| Internal Resistance | ≤45mΩ |
| Certification | CE / RoHS / UN38.3 / MSDS |
| Size | Φ21.5±0.3mm × H74.5±0.5mm |
| Weight | 80g |
Perfect for Flashlights, Electric Vehicles & Portable Electronics
- High-Performance Flashlights: 5000mAh long runtime with stable power output
- Electric Vehicles & Scooters: Reliable power for daily commuting
- Portable Electronics & Power Banks: Versatile power for everyday use
- Wireless Microphones & Audio Equipment: Low self-discharge for consistent performance
- Consumer Electronics & Industrial Devices: Safe 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 Layout: XTAR has established business and service relations with more than 150+ countries around the world.
Company Timeline
2005: At XTAR, we fully understand the importance of batteries to a device's performance. We selected superior batteries and LEDs to produce the PK keychain flashlight, which is brighter and has a longer runtime than any other model on the market.
2006: With product and user safety in mind, we developed the industry's first 16340 and 18650 lithium-ion batteries equipped with protection circuits, ushering in a new era of lithium-ion battery safety.
2009: Pioneered three-stage charging technology for lithium batteries (Patent No.: 201720828840.6), solving overheating and incomplete charging issues.
2011: Launched WP2II charger with 0V activation & USB output, reviving over-discharged lithium batteries and improving utilization.
2013: Released PANZER XP4, the first charger intelligently adapting to lithium-ion and nickel-metal hydride batteries.
2017: Launched Over 4 Slim, the market's first 4.1A*2 fast charger with internal resistance/temperature detection and overheat protection.
2020: Launched next-gen 1.5V rechargeable AA lithium batteries, outperforming traditional NiMH batteries and rewriting AA battery history.
2024: Expanded 1.5V AA/AAA lithium battery line with Constant Voltage + Linear series, leading the mainstream of reliable power.
2025: We joined U.S. ATA & SHOT Show, entering outdoor, optical, night vision & thermal imaging sectors, delivering safe, reliable power solutions to users; 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 order 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.
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