All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(17572 products available)
Ready to Ship
Ready to Ship
Lithium-ion 18650 batteries
When talking about 18650 battery types, buyers should begin with li-ion 18650 batteries. This battery type is widely used in consumer electronics. The batteries also find applications in electric vehicles and energy storage systems due to their ability to hold a charge and a stable discharge rate. Lithium-ion 18650 batteries are often applied for 18650 battery pack construction.
Lithium polymer 18650 batteries
Lithium polymer batteries are continually gaining traction due to their flexible form factor. In most cases, these batteries come in slimmer and lighter profiles compared to traditional li-ion cells. The batteries are a suitable option when space is at a premium. Lithium polymer batteries are commonly used in variegated applications like smartphones, tablets, and drones.
Nickel-Cobalt-Aluminum (NCA) batteries
NCA batteries are ideal for electric vehicles and energy storage systems due to their high energy density and long lifespan. Often, they use nickel for energy density, cobalt for stability, and aluminum for longevity. These batteries are frequentized in less consumer electronics compared to other li-ion cells due to higher costs.
Nickel-Cobalt-Manganese (NCM) batteries
NCM batteries are regularly preferred as an alternative to NCA batteries. These batteries were, therefore, created to be more cost-effective. They still provide good performance in electric vehicles and energy storage systems. Their positive electrodes mix a nickel and cobalt to manganese ratio tailored for specific applications.
Flat top 18650 battery
Flat-top cells have a flat, even top surface. They generally feature a smooth, level surface. The design ensures easy connections in electronic devices. This battery top design offers a reliable and solid battery connection in devices. Flat-top batteries are mainly used in devices that need stable and secure connectivity. These devices include laptops and power tools.
Dome top 18650 battery
Dome-top cells are normally easy to identify. A person's identification is by a small raised bump on one end of the cell. The bump is often a weld point for the battery's safety relief valve. Dome top batteries are the easiest to connect. They mesh well with other batteries, making a strong electric vehicle. They also enable a seamless powering connection in RVs and boats.
Power tools
Many power tools use batteries as a power source. These tools include drills, saws, and impact wrenches. The batteries provide the mobility needed for these tools, especially in construction and woodworking industries. In these industries, the tools' frequent use demands efficient battery replacement. That's why 18650 li-ion rechargeable batteries are popular.
Electric vehicles (EVs)
Many electric vehicles utilize an array of 18650 cells to create a high-capacity battery pack. A battery pack that powers the vehicle for longer ranges, improves performance, and ensures safe rides. For EV manufacturers, the cells enable effective thermal management. In addition, the modular design of the cells offers easier maintenance and replacement when needed.
Flashlight and torches
18650 cell rechargeable lithium ion batteries power up rechargeable flashlights. The batteries offer long run times and quick recharge cycles that make them ideal for extended use in emergencies, outdoor activities, and professional settings. That's why they're mostly applied in LED rechargeable tactical flashlights. Users can efficiently retail on battery reserves and have bright lights in emergencies.
Laptops and mobile devices
In the laptop and mobile device industry, 18650 cells are regularly used to construct battery packs. These li-on batteries offer a great energy density. It means they skillfully store more energy per unit volume. For users, the more energy they store means longer operational time, especially for their gadgets like laptops and mobile phones, before they need to plug in for a recharge.
Vaping devices
Many vaping devices, including mods and pens, are powered by 18650 batteries. Since these devices draw significant power to produce vapor, users have to often choose batteries with high discharge rates and capacity. The 18650 batteries frequently provide just that. In the vaping industry, people's preferences also come down to safety and quality. It's because low-quality batteries can cause dangerous situations in vaping devices.
IoT devices and wearables
Although smaller rechargeable batteries would traditionally power IoT devices and wearables. 18650 batteries are increasingly used in IoT gateways and other industrial applications. These batteries often provide longer life cycles that ensure sustained operation for remote devices without frequent maintenance for battery replacement.
Electric vehicles (EVs)
Automotive industries frequently use 18650 lithium batteries as the main component in the battery packs of electric vehicles. The batteries have a high energy density and a long life span. It makes them well suitable for automotive applications. When combined together in an EV battery pack, these cylindrical cells provide the required energy to power the vehicle's motor. They also enable effective thermal management because of their size and uniformity.
Energy storage systems (ESS)
18650 lithium batteries are a constant feature in residential and commercial energy storage systems. Here, the batteries store excess energy generated from renewables like solar and wind. In homes and industrial settings, people commonly pair these batteries with solar panels to store energy for future use. This ability to hold a charge allows users to draw on stored energy during power outages or peak demand periods. It helps in reducing reliance on grid power.
Portable Power Tools
The construction and manufacturing industries widely adopt 18650 batteries for their portable power tools. These batteries are designed for tools like drills, saws, and wrenches. Due to their high energy density and discharge rates, they offer prolonged operating times with higher power outputs. Their compact size makes it easier to incorporate them into tool designs.
Medical Devices
Medical equipment uses 18650 batteries due to their reliability and performance. Such equipment often needs portable and battery-operated devices like respirators, wheelchairs, and portable diagnostic equipment. With a stable and prolonged energy output, these batteries ensure optimal device performance and dependable operation in critical healthcare settings. Users can also easily replace these batteries in an emergency, enhancing their applicability in medical devices.
Consumer Electronics
Consumer electronics like smartphones, laptops, and cameras use 18650 batteries primarily. Some products that have a high space requirement employ these batteries. The batteries have great energy densities that make them ideal for powering devices for prolonged periods. Though there're smaller battery forms like li-on polymer batteries, 18650 batteries are still useful for gadgets that require long-lasting power in compact spaces.
Unmanned Aerial Vehicles (UAVs)
Industrial UVE and drone applications frequentize 18650 batteries. These batteries power the drones while providing long flight times with high energy efficiency. People increasingly use these batteries in aerial photography, agricultural monitoring, and logistics. In such industries, drones need a lightweight and long-lasting power source to cover wide areas and stay in the air for prolonged periods.
Check battery capacity
Battery capacity must be prioritized when purchasing 18650 batteries in bulk. Measured in milliampere-hours (mAh), capacity indicates how much energy a battery can store. Ideally, people should go for batteries with higher capacity. They will tend to last longer and are useful in various customer-applied electronics like laptops and electric tools.
Battery safety features
Customers often prioritize safety, especially when using batteries in applications where they handle volatile substances. As a wholesaler, look for 18650 batteries that come with safety features. These safety features include over discharge protection, thermal fuses, and venting mechanisms. Such features reduce the risk of accidents and ensure safer usage.
Check battery chemistry
People don't always have the same needs. That's why considering the chemistry of 18650 lithium ion batteries for customers is important. NMC and NCA chemistries have high energy density. Lithium iron phosphate (LiFePO4) offers enhanced thermal stability. Each chemistry type has pros and cons according to the customer's requirements and intended applications.
Check battery brand and authenticity
Advise customers to purchase their 18650 batteries from trusted manufacturers. Honest brand retail helps avoid counterfeit products when selecting a battery. These counterfeits have subpar performance or safety issues usually advertised as genuine products. Customers should do research on manufacturers' reputations to ensure they stock quality products. Quality products directly contribute to customer satisfaction and safety.
Assess bulk purchasing options and pricing
People normally buy 18650 batteries in bulk to get good deals. When purchasing in bulk, people need to negotiate ahead of the price. They need to get bulk deals to offer cost savings. Wholesalers also need to consider shipping logistics and lead time. Both will affect the overall cost and timely availability of stock.
Check battery compatibility
Wholesalers should ensure the 18650 batteries are compatible with variegated customer devices. Devices that require modular battery systems normally have specifications for battery size and discharge rates. Batteries in electronic devices need to be replaceable. In power tools, it ensures more straightforward operation and maintenance for the end user.
Yes, the batteries fulfill the required electric vehicle battery pack energy density, safety, and longevity. EVs run on battery packs comprised of these cells because they provide a good balance of power and efficiency. Moreover, manufacturers like Tesla regularly prefer 18650 cells for their energy density and high safety standard. The strong safety profile of these batteries makes them ideal for automotive applications. It ensures safe operation even under the rigorous demands of EVs. These lithium ion batteries 18650 are great for the sustainability of electric vehicles. They're designed to be recyclable, reducing the environmental impact of energy storage system components once the battery reaches the end of its life.
Firstly, people consider the quality and safety of the batteries when buying in bulk. Since 18650 batteries are used in consumer electronics, safety devices, and electric vehicles, they prioritize purchasing them from reputable manufacturers who adhere to strict safety standards. People also consider battery grade. They normally buy grade-A batteries when making bulk purchases. Grade-A batteries are batteries that qualify for long-lasting performance and reliability. Since the batteries have a high capacity and low internal resistance. That's why they seek batteries manufactured by renowned brands. Let's say they cater to a rising business. It prioritizing customer satisfaction by stocking genuine articles. When purchasing these batteries in bulk, people consider pricing. By negotiating well on price, people can get significant cost savings with bulk purchases. They help offer competitive pricing to their customers and enhance profit margins. Purchase logistics, including lead time and shipping costs, also affect decisions. People must ensure timely delivery of their bulk orders to meet customer demand. To manage operational costs effectively, batteries that are easy to store and handle are essential. They help for straightforward inventory management.
Yes, 18650 cells are popular choices for electric vehicle battery packs due to their high energy density and efficient thermal management. These batteries are constructed from lithium ion technology. A technology known for its efficiency and long lifespan. Thus making them ideal for automotive applications. Manufacturers prefer the cylindrical shape of the 18650 because it aids in uniform heat dissipation. Its form factor also allows easy arrangement into compact packs, fitting into various automotive designs. The modular nature of 18650 cells enables simple maintenance and replacement. It is a highly valued trait in electric vehicle ownership.
Storing lithium ion 18650 batteries in hot places is an unsafe practice. High temperatures can cause adverse effects on the battery's internal components, leading to a range of safety hazards. Heat increased the risk of thermal runaway. It's an uncommon event that can cause fires or explosions. Prolonged exposure to heat can accelerate battery degradation, reducing capacity and lifespan. Increased electrolyte evaporation and internal pressure build-up are also likely to result from high storage temperatures. Frequent exposure of these batteries to heat can compromise their structural integrity. Find a cool, dry, and well-ventilated location to store the batteries to minimize risks. That way, the environment will help maintain their performance and safety qualities.
