The LG HE4 18650 2500mAh 20A lithium-ion battery is a high-performance power source designed to provide reliable and consistent energy for various applications, especially those that require high discharge rates. With a nominal capacity of 2,500mAh, this battery is engineered to deliver optimal energy storage while maintaining a continuous discharge current of 20A, making it suitable for demanding devices like power tools, hoverboards, electric bikes, and scooters. The LG HE4 is known for its ability to supply powerful and steady power to these devices, ensuring performance that can be trusted over extended periods.

What sets the LG HE4 apart from many other batteries in its class is its high discharge performance. This battery is capable of handling significant loads without compromising its efficiency or stability. The discharge curve of the LG HE4 is smooth and consistent, even under high current loads, which is critical for devices that need continuous, uninterrupted power. Whether it’s for heavy-duty tools or electric transportation, the LG HE4 ensures that the power provided is not only sufficient but also reliable throughout the battery's discharge cycle. This high discharge capability is a major reason why it is so widely used in products that require significant power, offering users confidence in its performance under demanding conditions.

Another important feature of the LG HE4 is its fast charging capability. The battery supports a maximum continuous charge current of 4,000mA, which allows it to be fully charged in approximately one hour. This is particularly advantageous for users who need to minimize downtime and require quick recharges, such as in applications involving electric bikes or power tools. The ability to rapidly recharge means that the LG HE4 is not only powerful in terms of discharge performance but also efficient when it comes to maintaining power. Furthermore, this battery has no memory effect, which means that it does not suffer from capacity loss due to partial charging cycles, a common issue seen in older battery technologies. This feature enhances the battery's lifespan and ensures that users do not need to follow complex charging routines to maintain optimal performance.

The LG HE4 also has minimal self-discharge, which means it can retain its charge for longer periods when not in use. This characteristic makes it an excellent option for situations where the battery may be stored for a while between uses, as it reduces the need for frequent recharges. This is especially valuable in applications where the battery is part of a backup power system or when used intermittently.

In terms of its electrical specifications, the LG HE4 operates with a nominal voltage of 3.6V, which is typical for many lithium-ion cells. This voltage ensures that the battery is compatible with a wide range of devices designed for lithium-ion power. The standard charge rate for the LG HE4 is 1,250mA, with a cutoff at 50mA to ensure that the battery is charged safely and efficiently. For users needing faster charging, the LG HE4 can be charged at a maximum rate of 4,000mA, with a cutoff current of 100mA to prevent overcharging. The maximum charge voltage for the battery is 4.2V ±0.05V, which is standard for lithium-ion batteries and ensures the battery reaches its full charge without overcharging or damaging the internal cells.

On the discharge side, the LG HE4 supports a standard discharge rate of 500mA, which is suitable for many everyday applications that do not require high power demands. For more power-hungry devices, the battery can discharge at much higher rates of up to 10A and even 20A, which ensures that it can handle high-drain situations without overheating or performance loss. This high discharge capability makes the LG HE4 versatile and adaptable to a range of applications where consistent and powerful output is needed.

The LG HE4 is built with safety in mind, with an end voltage cutoff of 2.5V to prevent deep discharge, which could damage the battery and reduce its overall lifespan. This feature ensures that the battery operates within safe parameters, maintaining its integrity and performance over many charge and discharge cycles. Additionally, the battery has an operating temperature range that allows it to function in a variety of environments. It can be charged in temperatures between 0°C and 50°C and can discharge in a much wider range, from -20°C to 75°C. This broad temperature tolerance makes the LG HE4 suitable for use in both cold and hot conditions, offering flexibility for outdoor applications or environments with fluctuating temperatures.

For storage, the LG HE4 can be kept in a variety of conditions, as long as it is maintained at approximately 40% charge. For short-term storage (up to one month), the battery can be stored between -20°C and 60°C, while for medium-term storage (up to three months), temperatures between -20°C and 45°C are ideal. For longer storage periods, such as a year, the battery should be kept between -20°C and 20°C to prevent degradation and preserve its capacity. Following these storage guidelines ensures that the LG HE4 maintains its capacity and remains ready for use when needed.

Weighing approximately 47g, the LG HE4 is a relatively lightweight battery, making it an excellent choice for portable applications where reducing weight is important. Its flat top terminal design makes it easy to incorporate into custom battery packs, further enhancing its versatility. This lightweight yet powerful battery is ideal for applications that require both performance and portability, including recreational vehicles, mobility scooters, and other portable devices that rely on rechargeable lithium-ion batteries.

In conclusion, the LG HE4 18650 2500mAh 20A lithium-ion battery is a top-tier choice for users seeking a reliable and high-performing power source for demanding applications. Its 2,500mAh nominal capacity, 20A maximum continuous discharge current, and rapid charging capabilities make it a go-to option for everything from power tools to electric bikes and scooters. Its excellent discharge performance, fast recharge time, and robust safety features ensure that it delivers consistent, long-lasting power without compromising on reliability or safety. Whether you're building custom battery packs or simply need a dependable power source for high-drain devices, the LG HE4 stands out as an exceptional choice in the lithium-ion battery market.

Specifications:

• Nominal Capacity: 2,500 mAh
• Nominal Voltage: 3.6V
• Standard Charge: 1250mA, cut off: 50mA
• Fast charge: 4000mA, cut off: 100mA
• Max. Charge Voltage: 4.2 +/-0.05 volt
• Max. Charge Current: 4000mA
• Standard Discharge: 500mA
• Fast Discharge: 10000mA, 20000mA
• End voltage: 2.5 volt
• Weight Max.: 47.0 g
• Operating Temperature: Charge 0 ~ 50°C, Discharge -20 ~ 75°C
• Storage Temperature: 1 month -20 ~ 60°C, 3 month -20 ~ 45°C, 1 year -20 ~ 20°C

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.

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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.

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