AS18650 25.9V 10Ah Lithium-Ion Battery Pack
Release time:2024-09-10 Click:27
In the rapidly advancing world of rechargeable batteries, the 18650 lithium-ion battery stands
out as a popular and versatile choice for various electronic applications. Among the many variants,
the 18650 25.9V 10Ah battery offers a great balance between power, capacity, and compactness.
This blog will explore the key features of this battery, including its size, weight, capacity, applications,
and technical specifications.
The term “18650” refers to the battery's dimensions, where 18 signifies a diameter of 18mm, and
65 indicates a length of 65mm. These cylindrical cells are known for their high energy density and are
widely used in portable electronic devices, power tools, and electric vehicles. The 25.9V 10Ah battery is
a pack made up of several 18650 cells connected in series and parallel to reach a voltage of 25.9V and
a capacity of 10Ah (Ampere-hours).
l Voltage: 25.9V
l Capacity: 10Ah
l Configuration: Typically, this configuration would consist of 7S (7 cells in series) and a suitable
number of parallel strings to meet the capacity requirement.
l Battery Type: Lithium-ion
l Dimensions: Dependent on the specific arrangement of the cells but typically compact for its power capacity.
l Weight: The weight of a 25.9V 10Ah battery pack varies depending on the configuration and protective casing,
but generally, it weighs between 1.5 to 2 kg.
The 25.9V rating indicates the nominal voltage of the battery pack, which can fluctuate slightly during charging
and discharging. The 10Ah rating reflects the total energy storage capacity of the battery, indicating how long
the battery can deliver power before needing a recharge. Together, these parameters make the battery suitable
for various demanding applications that require both reliability and extended operation times.
Lithium-ion batteries are preferred for their high energy density, meaning they pack more power into a smaller,
lighter form factor compared to older battery chemistries like lead-acid or nickel-cadmium. The 18650 cells are
cylindrical, with dimensions of 18mm in diameter and 65mm in length, but when combined into a battery pack,
the overall size depends on how the cells are arranged.
In a 25.9V 10Ah configuration, the cells are typically arranged in a series-parallel setup. A standard battery pack
could range from 200mm to 300mm in length, 60mm to 80mm in width, and 40mm to 80mm in thickness,
depending on the specific arrangement. The weight of the battery is also impacted by additional components
like the Battery Management System (BMS), protective casings, and connectors.
Despite its compact size and light weight (around 1.5 to 2 kg), the 18650 25.9V 10Ah battery provides substantial
power, making it ideal for applications where both portability and power are crucial.
One of the standout features of this lithium-ion battery is its versatility. Its balance between capacity and voltage
makes it an excellent choice for various applications. Below are some key fields where the 18650 25.9V 10Ah battery
is widely used.
Electric mobility solutions, such as e-bikes and e-scooters, have become increasingly popular due to their
eco-friendliness and convenience. The 18650 25.9V 10Ah battery is commonly used in these vehicles because it
offers enough power to drive the motor for a significant distance while being lightweight enough to avoid adding
unnecessary bulk to the design.
For example, a 25.9V 10Ah battery pack can typically provide sufficient energy for a small e-bike to travel 20-30
kilometers on a single charge, depending on factors like rider weight, terrain, and motor efficiency.
The high discharge rate and power density of the 18650 cells make them ideal for power tools that require bursts
of energy. Many cordless drills, saws, and other power tools are designed to use battery packs in the 25V to 30V
range, and the 25.9V 10Ah battery fits perfectly in this category.
In the world of consumer electronics, lithium-ion batteries have revolutionized the way we power portable devices.
Although smaller devices typically use lower voltage batteries, the 25.9V 10Ah battery can be used in more substantial
equipment such as drones, RC vehicles, and high-powered audio equipment. These batteries are also popular in DIY
projects for hobbyists who need a reliable and compact power source.
The 25.9V 10Ah battery is a great option for storing solar energy in off-grid systems. When combined with solar panels,
these batteries can store excess energy generated during the day for use at night or during cloudy periods. Their
high energy density and cycle life make them a cost-effective and efficient solution for small to medium-scale solar
installations.
Medical devices such as portable oxygen concentrators and other life-saving equipment rely on battery power for
uninterrupted operation. The 18650 25.9V 10Ah battery's compact size, high energy density, and long cycle life
make it an ideal choice for powering these critical devices.
Robots, both in industrial and hobbyist contexts, often require powerful and long-lasting batteries. The 25.9V 10Ah
lithium-ion battery provides enough power to run motors, sensors, and other robotic components, allowing for extended
operation without frequent recharging.
There are several reasons why the 18650 25.9V 10Ah battery has become a preferred power source for many applications.
Below, we explore some of its key advantages:
Compared to other battery types, such as lead-acid or nickel-metal hydride (NiMH), lithium-ion batteries offer significantly
higher energy densities. This means that they can store more energy in a smaller space, making them ideal for applications
where size and weight are critical factors.
Lithium-ion batteries are known for their longevity. A typical 18650 battery can undergo 500 charge-discharge cycles before its
capacity begins to degrade significantly. With proper care, the 18650 25.9V 10Ah battery can last several years, even
with frequent use.
One of the drawbacks of older battery technologies is that they tend to lose charge over time, even when not in use.
Lithium-ion batteries, however, have a very low self-discharge rate, meaning they can retain their charge for extended
periods without needing to be recharged.
Thanks to their high energy density, lithium-ion batteries are much lighter and more compact than their lead-acid counterparts.
This makes them ideal for applications where weight is a concern, such as in electric vehicles and portable electronics.
Modern lithium-ion battery packs, including the 18650 25.9V 10Ah variant, are equipped with built-in safety features such
as short-circuit protection, overcharge protection, and thermal shutdowns. These features help prevent accidents and
ensure the longevity of the battery.
While lithium-ion batteries are generally safe to use, they do require certain precautions to ensure their safe operation.
Overcharging, overheating, and physical damage to the battery pack can pose safety risks, including the possibility
of fire or explosion. Therefore, it's essential to use a high-quality Battery Management System (BMS) to monitor the
battery's performance and prevent unsafe conditions.
When using these batteries in demanding applications, it’s crucial to follow the manufacturer’s guidelines for charging,
discharging, and storage. Avoid exposing the battery to extreme temperatures and ensure it is used in a well-ventilated
area to prevent overheating.
The 18650 25.9V 10Ah lithium-ion battery is a versatile and powerful solution for a wide range of applications, from
electric vehicles to consumer electronics and solar energy storage. Its high energy density, long cycle life, and lightweight
design make it an ideal choice for users who need reliable, long-lasting power in a compact form.
With the continued growth of the lithium-ion battery market, the 18650 cell configuration, in particular, remains a
cornerstone of modern battery technology, providing solutions to both small and large-scale energy storage challenges.
Whether you’re building a new product or upgrading an existing one, the 18650 25.9V 10Ah battery offers a robust and
dependable power source that’s worth considering.
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