The Molicel INR21700 M50A 5000mAh rechargeable lithium-ion battery stands out as a high-performance power source, offering a reliable and efficient solution for a variety of applications. With its impressive nominal capacity of 5000mAh and a minimum capacity of 4800mAh, this cell is built to deliver steady and long-lasting power, making it ideal for devices that require consistent energy output over an extended period of time. Whether used in high-drain applications or energy-demanding equipment, this battery provides an excellent balance of power, efficiency, and durability.

One of the key features of the Molicel INR21700 M50A is its nominal voltage of 3.6V, which is standard for lithium-ion batteries, offering optimal power for most electronic devices. The battery operates within a voltage range that ensures compatibility with a wide array of equipment, from portable electronics to power tools and other high-performance machinery. With an end-of-charge voltage of 4.20V, it ensures that devices receive a full and stable charge, maximizing the efficiency of the battery’s energy storage.

Designed for high-capacity use, the Molicel INR21700 M50A provides a continuous discharge rating of 15A, which is ideal for applications that demand a steady flow of energy over time. It should be noted that the battery’s discharge rating was previously rated at 20A, but after further testing and revision, the maximum continuous discharge current has been updated to 15A. This adjustment helps to ensure a more accurate and reliable performance, preventing potential overheating or stress that could otherwise affect the battery's lifespan. Although the 15A rating is lower than the earlier specification, the Molicel INR21700 M50A still offers ample power for most applications requiring moderate to high current draws.

The battery's flat-top design is a notable feature that makes it easy to integrate into a variety of devices, including battery packs. Its uniform shape and dimensions make it a convenient choice for manufacturers and DIY enthusiasts looking for a standardized and reliable power cell. Measuring approximately 21.55mm in diameter and 70.15mm in length, the Molicel INR21700 M50A is designed to fit neatly into devices that require the 21700 size format, which is popular for high-capacity batteries due to its increased energy density compared to the more common 18650 cells.

The Molicel INR21700 M50A is not a protected battery, meaning it does not come with built-in protection circuitry such as overcharge, overdischarge, or short circuit protection. As a result, users must ensure that the battery is used in devices or systems with proper safety mechanisms in place to safeguard the cell from potential hazards. Despite lacking an internal protection circuit, the cell is still highly reliable when handled correctly and is well-suited for use in applications where external protection circuits or battery management systems (BMS) are already employed.

Another important aspect of the Molicel INR21700 M50A is its excellent cycle life. Lithium-ion batteries like this one are known for their long cycle life, and the Molicel INR21700 M50A is no exception. With proper care and maintenance, the battery can handle hundreds of charge and discharge cycles, providing long-term reliability and minimizing the need for frequent replacements. This extended lifespan is a crucial benefit for users who rely on consistent, long-lasting power for their devices, as it offers a lower total cost of ownership over time.

The battery is designed to operate within a temperature range that ensures optimal performance. Its internal resistance is low, allowing for efficient power transfer without generating excessive heat. While specific temperature ranges for optimal performance are not explicitly stated, most lithium-ion batteries, including the Molicel INR21700 M50A, typically perform well within the range of 0°C to 60°C, with extreme temperatures potentially affecting performance and safety. Therefore, users should always ensure that the battery is used within recommended operating conditions to maintain its efficiency and longevity

Specifications:

• Model: INR-21700-M50A
• Size: 21700
• Style: Flat Top
• Nominal Capacity: 5000mAh
• Minimum Capacity: 4800mAh
• Continuous Discharge Rating: 15A (previously rated 20A was temp limited, revised CDR is 15A)
• Nominal Voltage: 3.6V
• End of Charge Voltage: 4.20V
• End of Discharge Voltage 2.50V
• Protected: No
• Rechargeable: Yes
• Approximate Dimensions: 21.55mm x 70.15mm (MAX)
• Approximate Weight: 68g

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.