Protected 18650 3300mAh Lithium-ion Battery, 10A Continuous Discharge for Diving Flashlights
XTAR 18650 3300mAh Protected Battery - Built for Diving Flashlights
- 3300mAh High Capacity 18650 Lithium-ion Battery
- 10A Continuous Discharge, High Output for Bright Flashlights
- Built-in Multi-Protection Circuit (Overcharge/Overdischarge/Short Circuit)
- 500+ Charge Cycles, Durable & Long-Lasting
- -20°C~60°C Wide Operating Temperature Range
Technical Specifications
| Item | Specification |
|---|
| Model | 18650 3300mAh |
| Battery Type | Lithium-ion |
| Rated Voltage | 3.6V |
| Nominal Capacity | 3300mAh |
| Max Continuous Discharge | 10A |
| Cycle Life | ≥500 Times |
| Charging Voltage | 4.2V |
| End-of-Discharge Voltage | 2.5V |
| Protection | Built-in Multi-Protection Circuit |
| Certification | CE / RoHS / UN38.3 / MSDS |
| Size | Ø18.4±0.3mm × H68.8±0.5mm |
Perfect for Diving Flashlights & High-Drain Devices
- Diving Flashlights & Underwater Gear: 10A high output for maximum brightness
- Smart Locks & Security Devices: Reliable power for daily use
- Wireless Microphones & Audio: Stable performance for audio gear
- Multimeters & Measuring Tools: Consistent power for precision instruments
- Children's Toys & RC Devices: Safe and durable power for everyday use
![XTAR 18650 3300mAh Protected Battery]()
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.
![XTAR Global Business Coverage Map]()
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.
![XTAR Manufacturing Facility]()
Partners
![XTAR Business Partners]()
Global Certifications
ISO-9001 Certification, MSDS Certification, UN38.3 Certification, CE Certification, RoHS Certification
![XTAR Global Certifications]()
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.