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release time:2025-01-03 Hits: Popular:AG11 battery
The 32700 battery is a cylindrical lithium-ion or nickel metal hydride (NiMH) rechargeable battery with a diameter of 32 mm and a length of 70.0 mm. This type of battery is often used in applications that require large capacity and high energy density, such as portable tools, medical equipment, electric bicycles, solar lights, etc. The 32700 battery has a larger size and higher capacity than the common 18650 battery, making it suitable for devices that require long operation or high power output.
Main Features of 32700 Batteries
Size and Capacity:
Size: 32mm diameter, 70mm length.
Capacity: The specific capacity depends on the manufacturer and the specific design of the battery, but the common lithium-ion 32700 battery capacity ranges from about 5000mAh to 15000mAh. For the nickel metal hydride (NiMH) version, the capacity may be lower, generally around 4000mAh.
Voltage:
The nominal voltage of the lithium-ion 32700 battery is 3.7V, and can reach 4.2V when fully charged.
The nominal voltage of a nickel metal hydride (NiMH) 32700 battery is 1.2V.
Energy density:
Lithium-ion batteries offer high energy density and can store more energy in a relatively small volume, making them ideal for portable devices.
NiMH batteries have a slightly lower energy density, but they offer better safety and longer cycle life.
Cycle life:
A typical lithium-ion battery can withstand hundreds to thousands of charge and discharge cycles, depending on usage conditions and maintenance.
NiMH batteries also typically have a long cycle life, capable of withstanding hundreds or even thousands of charge and discharge cycles.
Safety:
Modern lithium-ion batteries typically have built-in protection circuits to prevent overcharging, overdischarging, short circuits, etc., which improves safety in use.
NiMH batteries are also safer and less prone to thermal runaway.
Shape flexibility:
The cylindrical design makes this battery easy to manufacture and integrate into a variety of devices, and can provide good mechanical stability when multiple cells are combined.
Application areas
Portable tools: such as electric screwdrivers, drills, etc., which require high power output and long-term operation.
Medical equipment: such as portable ventilators, blood glucose meters, etc., require a stable and reliable power supply.
Electric bicycles and other light electric vehicles: provide enough energy to support long-distance travel.
Outdoor lighting systems: such as solar lights, need to provide continuous lighting at night.
Emergency backup power supply: such as flashlights, headlights, etc., suitable for power needs in emergency situations.
Usage suggestions
Choose a reliable brand: Try to choose batteries from well-known brands when purchasing to ensure performance and safety.
Follow the correct charging method: Use original or compatible chargers to charge, avoid overcharging or discharging. Do not mix batteries of different brands or models.
Pay attention to the storage environment: It should be stored in a dry and cool place, avoiding high temperature and high humidity environments to avoid affecting battery performance.
Check the battery status regularly: Even if the device is not used frequently, the battery should be checked regularly and replaced as needed to prevent leakage from damaging the device.
Properly dispose of used batteries: Dispose of used batteries properly in accordance with local regulations to avoid environmental pollution.
Alternative options
If you need a battery with different specifications or characteristics, here are some common alternatives to consider:
Larger capacity lithium-ion batteries: If your application requires longer battery life, you can choose a battery of the same size but with a higher capacity.
Other types of cylindrical batteries: Such as 18650, 26650, etc., although smaller in size, have a correspondingly reduced capacity, which is suitable for space-sensitive applications.
Polymer lithium batteries: If your device allows the use of non-cylindrical batteries, you can consider using polymer lithium batteries of the same capacity level, which are generally lighter and thinner.
Considerations
Match device needs: Make sure the selected battery is fully compatible with the device, especially in terms of voltage and physical size.
Risk of mixing: Do not mix old and new batteries or different types of batteries (such as lithium-ion and nickel-metal hydride) to avoid device damage or safety hazards.
Protection circuits: Many lithium-ion batteries have built-in protection circuits to prevent overcharging, over-discharging, and short circuits. It is important to ensure that these protection mechanisms work properly.
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