The Vapcell 21700 4200mAh 30A battery is a high-performance rechargeable lithium-ion cell designed to deliver exceptional power, reliability, and efficiency. With its impressive capacity, robust discharge capability, and durable construction, this battery is an ideal choice for high-drain devices such as flashlights, electronic doorbells, power tools, and other demanding applications. Its thoughtful engineering and advanced features make it a versatile and dependable energy solution for both professional and everyday use.

At the core of the Vapcell 21700 is its outstanding capacity of 4200mAh, ensuring extended runtimes for compatible devices. Even under demanding conditions, the battery maintains a minimum capacity of 4100mAh, providing consistent and reliable energy output. This level of performance makes it suitable for applications requiring sustained power delivery, whether it's for high-lumen flashlights or other energy-intensive devices. The nominal voltage of 3.6V ensures steady performance, supporting the efficient operation of a wide range of electronics.

One of the standout features of this battery is its ability to deliver a maximum continuous discharge current of 30A. This impressive capability ensures that the battery can handle the high power demands of modern devices, making it an excellent choice for high-drain applications. Whether powering a tactical flashlight, a vaping device, or a power tool, the Vapcell 21700 excels at maintaining stable and robust performance under heavy loads.

The battery operates within a voltage range of 4.2V at full charge and 2.5V at the end of discharge, optimizing both its lifespan and energy output. The internal resistance of approximately 11mΩ (measured at 1kHz AC) enhances its efficiency by minimizing power loss, allowing for consistent performance even during high-demand usage. This low internal resistance is a testament to the battery's high-quality construction and advanced engineering.

Charging the Vapcell 21700 is both flexible and efficient, with options for standard and quick charging. The standard charging current is 1500mA, featuring a CCCV (Constant Current, Constant Voltage) cut-off at 100mA to ensure safe and precise charging. For those who need faster recharging, the battery supports a quick charge current of up to 3000mA, reducing downtime and enhancing convenience. This versatility in charging options ensures that users can quickly and safely recharge their batteries as needed.

The Vapcell 21700’s button-top design adds an extra layer of practicality, making it compatible with a variety of devices that require this specific terminal style. The button top adds 2-3mm to the length of the battery compared to standard flat-top cells, ensuring a secure and stable connection in devices such as flashlights, electronic doorbells, and other high-performance gadgets. This design enhances the battery's usability and compatibility, meeting the needs of a wide range of applications.

Weighing approximately 70 grams, the Vapcell 21700 is both lightweight and portable, striking a balance between energy density and ease of use. Its dimensions conform to the 21700 standard, ensuring compatibility with a growing number of devices optimized for this size. The battery’s sturdy construction and durable materials further enhance its reliability, making it suitable for use in both demanding environments and everyday scenarios.

The Vapcell 21700 is also designed with safety in mind. It incorporates features to prevent overcharging and over-discharging, safeguarding both the battery and the devices it powers. These built-in safety mechanisms ensure reliable and secure operation, providing peace of mind for users who depend on their devices in critical situations. Additionally, the high-quality construction reduces the risk of damage from physical stress or environmental factors, further extending the battery’s lifespan.

Versatility is a key strength of the Vapcell 21700, making it an excellent choice for a wide range of applications. It is particularly well-suited for high-drain devices such as LED flashlights, headlamps, power tools, and other portable electronics. Its ability to handle a continuous discharge current of 30A ensures that it meets the needs of energy-intensive devices, making it a reliable power source for both professionals and enthusiasts.

In addition to its technical capabilities, the Vapcell 21700 is a sustainable and environmentally friendly option. As a rechargeable lithium-ion battery, it offers a reusable alternative to disposable batteries, reducing waste and lowering the overall cost of ownership. Its long lifespan and ability to endure multiple charge and discharge cycles make it a cost-effective and eco-conscious choice for users seeking a reliable energy solution.

In summary, the Vapcell 21700 4200mAh 30A battery is a high-capacity, high-performance power source designed for demanding applications. Its combination of robust performance, flexible charging options, and advanced safety features makes it an excellent choice for users who require dependable energy for their devices. Whether used for everyday gadgets, outdoor adventures, or professional tools, the Vapcell 21700 delivers consistent and long-lasting performance in a durable and portable package. Its versatility, reliability, and quality construction make it a trusted companion for users who demand the best from their power solutions.

• Model: 21700 4200mah 30A
• Typical Capacity: 4200mAh (0.2C discharge)
• Min capacity: 4100mAh (0.2C discharge)
• Nominal voltage: 3.60V
• Max Continuous Discharge Current: 30A
• End-of-charge voltage: 4.20V
• End-of-discharge Voltage: 2.5V
• Weight: 70g ( Appr)
• Internal resistance: 11mΩ ( Appr) （AC 1kHz）
• Standard Charge: 1500mA,CCCV 100mA cut-off
• Quick Charge Current: 3000mA

Button top size is 2-3mm longer than a standard 21700 cell like flat top & unprotected. The button top is widely required for flashlights, doorbells and other devices.

SHIPPING
The final shipping cost and estimated delivery timeframe will be available to you during checkout. Currently, we offer 3 International shipping methods which are steady and easy to track. Priority worldwide shipping, Premium ( Partial countries) and a faster Express shipping. The estimated times stated below are not guaranteed. An international package could experience delays like postal strikes or severe weather or Cov-19 situation. All shipping ways, PO Box address is not acceptable.

For some flashlights, there's a pure battery inside（phone charging）,If We can not ship your packages via USPS or DHL,we'll ship your package in another way.

Note:
When you place an order for just the batteries, for easy shipping, faster and safe delivery, the batteries are placed in the flashlights.

If you don’t receive your order within the estimated time frame provided below and suspect that it might be lost in transit, please contact Flashlightgo Support ( support@flashlightgo.com ) and we can look into the order with the courier. Lost-in-transit requests must be submitted to Flashlightgo Support within 3 months of the date of shipping or before the courier archives the tracking information.

Option 1.
Express by DHL/UPS/Fedex/Aramax/SF etc ( there may be tax need to pay in this way),
The estimated time of delivery is usually 3-7 work days depending on the country. Includes detailed tracking and confirmation of delivery.

Option 2.
Premium ( 6-10days, All tax and Duty Paid),
All tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Option 3.
Priority shipping(1-2 Weeks, average 10 days)
If we marked it is with all tax and duty paid, all tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Learn more,Please click on Here.

To ensure that you get the desirable product, we allow a seven-day product return period. Any product return application outside this period will not be entertained.
All returned product must be unused and the original package should be kept.

Return：
We do not offer return for personal products like socks and hats or food, magazine and fragile or dangerous products The original receipt must be available for application of return.

Discount products：
No product return for discount products

Gifts products：
If the item is marked as a gift when purchased and shipped directly to you, it cannot be exchanged , refunded or warranty.

Exchange：
We only replace items if they are defective or damaged.
Exchange service are offered only to wrong deliveries or product damage not caused by client. If needed, please email to info@flashlightgo.com.

Warranty
How long is the warranty period?
Flashlightgo warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order except the items listed below:
Chargers,Batteries and Other Accessories: 3 months warranty

Should the Product(s) supplied by Flashlightgo prove defective because of improper workmanship or material as reasonably determined by us, Flashlightgo agrees, at its option, to either repair or replace the Product free of charge, excluding any shipping or handling charges.

Learn more,Please click here.