Custom 26650 Lithium Battery Manufacturer in China
26650 lithium battery is a common lithium battery specification. Its nominal voltage is 3.7V, the operating voltage range is between 3.0-4.2v, and the capacity is between 3000-5500mah. With a diameter of 26mm and a height of 65mm, it is small and easy to carry. It also has the advantages of high output power, good safety performance, and long service life. It is very suitable for electric vehicles, energy storage systems, or other high-power equipment.
VTCBATT can customize 26650 lithium battery packs of different capacities for you for your high-power electrical appliance projects, and provide preferential wholesale prices and first-order discounts to make your projects more economical.
26650 Lithium Battery Model
Advantages Of VTCBATT 26650 Lithium Batteries
Its capacity is 1.5-2 times that of NiMH batteries of the same quality, and the energy density of some models can reach more than 200Wh/kg, meeting the needs of high-power equipment.
Our battery internal resistance is less than 60mΩ, which effectively reduces self-consumption, and the self-discharge rate is less than 2%, which is better than similar 26650 lithium batteries and can effectively extend the service time.
The number of charge and discharge cycles can reach more than 6,000 times, and the capacity retention rate is still more than 85%, and there is no memory effect, which supports charging at any time.
With built-in PTC constructure, it is not easy to decompose in high-temperature environments, and it will not catch fire or explode in overcharge/overdischarge tests. Adaptable temperature -20℃-60℃.
The nominal voltage is 3.2V for 26650 lifepo4 batteries and 3.7V for 26650 li-ion batteries , which is significantly higher than NiMH batteries (1.2V), and can meet the voltage/capacity requirements of various devices by series or parallel connection. For example, a multi-cell battery combination can drive power tools or energy storage systems.
Supports 10-20A continuous discharge, pulse current up to 50A, suitable for high power consumption scenarios such as drones and high brightness flashlights.
Does not contain heavy metals such as lead and cadmium, complies with RoHS standards, and has a recycling rate of up to 80%.
VTCBATT adopts a steel shell structure and internal PTC with strong impact resistance, and some models have obtained UL certification.
100K Daily Output in 26650 Cell Manufacturing
In advanced, intelligent, and automatic battery workshops, we achieve automatic control over each cell and battery pack production, as well as real-time scheduling and traceability of production data. The modern workshop realizes real-time network monitoring, automatic fault alarms, and pre-diagnosis of equipment failures to ensure the cells’ consistency, reliability, and stability.
Applications of VTCBATT 26650 Lithium Battery
High Power EquipmentAdapt to scenes that require continuous high current discharge, such as high-intensity flashlights, searchlights, emergency lighting systems, etc. There are also outdoor lighting facilities, such as solar street lights. It can also be used in scenes that require instantaneous high power output, such as e-cigarettes and MOD devices.
Industrial and Medical EquipmentProvide high-power support for power tools, such as electric drills, electric saws, and lawn mowers. Its long life and stability can also power portable medical devices, first aid equipment, medical monitoring systems, etc.
At the same time, it can adapt to frequent charging and discharging needs and can be used as a power source for AGV/AMR (automatic guided vehicles) and industrial robots.
Energy Storage and Power Supply SystemIt can be used as a backup power supply for data centers and communication base stations to ensure a continuous power supply during power outages. Or it can be used with wind and solar energy storage systems for home or grid-level energy storage. It can also participate in grid frequency regulation to improve the stability of the power system.
Transportation and Mobile EquipmentPower batteries for low-speed electric vehicles (such as electric tricycles) and extended-range hybrid vehicles. Or light vehicles such as electric bicycles and electric scooters. It can also be used for high-power remote control cars, drones, and other model equipment that require high discharge rates.
Consumer ElectronicsElectronic products such as digital cameras, portable speakers, small fans, etc. that require long battery life. Or long-term power supply solutions for low-power devices such as smart door locks and security systems.
Special FieldsIt can meet the reliability requirements in extreme environments and is suitable for backup power supplies for satellites and avionics equipment.
16340 battery: 16mm diameter, 34mm height; 700-800mAh capacity; discharge current 1-3A; 300-500 cycles; low energy density.
18650 battery: 18mm diameter, 65mm height; capacity 1200-3500mAh; discharge current 5-20A (high rate model); 500-1000 cycles; medium-high energy density (about 200-250Wh/kg).
26650 battery: 26mm diameter, 65mm height; typical capacity 3000-6000mAh; 10-30A (power type); cycle life 1000-2000 times; medium energy density (about 150-200Wh/kg).
Therefore, their application scenarios are also different:
16340 battery: small size, strong portability, suitable for compact devices-flashlights, e-cigarettes, USB fans, etc.
26650 battery: high capacity, high current discharge, suitable for high energy consumption scenarios – high power lighting, energy storage systems, etc.
18650 battery: balanced capacity and volume, strong versatility, can be used in consumer electronics, light electric vehicles, etc.
Avoid using in low temperature (<-20℃) or high temperature (>65℃) environments. Low temperature will shorten the battery life, and high temperature may cause thermal runaway29. The recommended ambient temperature for charging is 0-45℃.
Use original or compatible chargers, and avoid using inferior chargers or modified batteries.
Charging requires supervision. If the battery heats up, smokes, swells, or emits odors, stop charging immediately.
Keep the battery at 30%-50% during long-term storage, and avoid full discharge or full charge.
Store batteries separately to prevent metal contact and short circuits.
Prevent dust and debris from accumulating on the surface of the battery to avoid affecting heat dissipation or causing a short circuit.
If the battery is bulging, leaking, deformed, or performance deteriorates, stop using it immediately and replace it.
Physical damage
It is prohibited to drill, knock, squeeze, or disassemble the battery pack protection circuit.
Use in extreme environments
It is prohibited to place the battery near fire, high-temperature equipment (such as ovens), or expose it to the sun for a long time.
Overcharge/over-discharge
It is prohibited to exceed the nominal voltage (such as charging a 3.7V battery to more than 4.2V) or deeply discharge it to less than 2.5V.
Illegal modification
It is prohibited to assemble the battery pack with non-original batteries or modify the battery structure by yourself.
Improper disposal
It is prohibited to put the battery into fire, immerse it in water, or mix it with domestic garbage. It should be disposed of through professional recycling channels.
Use in dangerous scenarios
It is prohibited to charge in a confined space (such as the exposed environment in the car) or near flammable materials.
26650 lithium batteries belong to Class 9 dangerous goods, so we will pack them carefully for safe transportation.
First, we do cell sorting of the 26650 cells in voltage,capacity,resistance,which is mandatory for safety and reliability.Each pair of 26650 lithium batteries is sealed with an insulating plastic box to prevent collision and short circuit. And before transportation, make sure that the battery is unloaded, the power is less than 30% and there is no physical damage.
Then we put the 26650 lithium batteries with insulating boxes into cartons labeled with Class 9 dangerous goods, mark the lithium battery exclusive mark, and keep the weight of each box less than 10kg. Fill the box with shockproof foam or sponge, and use partitions to isolate each layer of batteries, and use corner guards and pallets outside the box.
Of course, the most important dangerous goods certificate should be applied before packaging to ensure that no time is wasted. VTCBATT has cooperated with carton suppliers for many years, who have rich experience in the transportation of dangerous goods at home and abroad, so you can rest assured about the safety and speed of battery transportation.
VTCBATT provides charger customization options. If you want to buy another charger yourself, we have the following suggestions:
Choose a charger with an output of 4.2V. And it is recommended to charge at 0.5C. A charger that supports 0.5-1A slow charging can be used to extend the battery life. Charger type recommendation: smart charger, independent slot design that supports single-cell charging, preferably with overcharge protection, reverse connection protection, and other functions.
Usage suggestions: confirm the positive and negative pole direction of the battery; avoid mixing batteries of different models/capacities; place in a ventilated environment when charging; give priority to products with CCC/CE certification.
