A battery holder is one or more compartments or chambers for holding a battery. A battery holder is either a plastic case with the shape of the housing moulded as a compartment or compartments that accepts a battery or batteries, or a separate plastic holder that is mounted with screws, eyelets, glue, double-sided tape, or other means. Battery holders may have a lid to retain and protect the batteries or may be sealed to prevent damage to circuitry and components from battery leakage. Coiled spring wire or flat tabs that press against the battery terminals are the two most common methods of making the electrical connection inside a holder. External connections on battery holders are usually made by contacts with pins, surface mount feet, solder lugs, or wire leads.
The coin cell battery holder is used to load the coin cell battery. It is generally welded on the PCB board, which is convenient for the button battery power supply. There are two installation methods for the button battery holder, one is the patch type and the other is the plug-in type.
How to identify the positive and negative poles of a coin cell battery holder?
Under normal circumstances, the side of the button battery with the “+” mark is the positive electrode, and the back is the negative electrode.How do I remove the battery from the coin cell holder?
The accessory with a button battery holder on the product is to facilitate the replacement of the button battery. By moving its metal shrapnel lightly, a careful search will reveal a way to remove the coin cell battery. Some coin cell battery holder designs may require a small sheet of insulating plastic to assist in removing the coin cell battery.
KENENG is an experienced button battery holder supplier and manufacturer, we can also carry out custom button battery holders services.
Advantages of KENENG Cell Battery Holder
1. ISO9001, ROHS, Dun & Bradsteet certifications.
2. More than 20 years manufacture.
3. Designated supplier of Medtronic and BBC.
4. Occupied 50% the China electronics market (Keyu series battery box and holder.)
5. The strict quality control system, 99% qualification rate.
6. Factory scale: 10000M2, 150 employees.
7. 15 years of foreign trade experience.
A battery refers to the part of a cup, tank or other container or composite container that holds an electrolyte solution and metal electrodes to generate electrical current and to convert chemical energy into electrical energy.
The performance parameters of the battery mainly include electromotive force, capacity, specific energy, and resistance. By using the battery as an energy source, people can get a long-term stable power supply and a current that is little affected by the outside world. The battery in modern society is simple in structure, easy to carry, easy to operate, not affected by external climate and temperature, and has stable performance, and is widely used in all aspects of modern social life.
AAA type battery
AAA batteries are also called 7 batteries. The volume of the 7th battery is smaller than that of the AA type (5th) battery. AAA batteries are generally used in remote controls, flashlights, etc., where the volume is limited, but the power consumption is not large.AA type battery
AA batteries are also called 5 batteries. AA-type batteries are very common and are widely used in electric shavers, electronic toys, digital devices, and more. Many AA-type rechargeable batteries are also used as battery packs.C type battery
The C-type battery is also called the No. 2 battery. The volume of the C-type battery is smaller than that of the D-type battery. Type C batteries are mostly used in flashlights and audio-visual equipment.D type battery
The D-type battery is also called 1 battery. D-type batteries are also very common and are widely used in electronic ignition equipment, flashlights, and so on.9V battery
9V batteries generally refer to laminated batteries. 9V batteries are generally used to power meters and measuring instruments. The battery capacity is small, the voltage is high, the internal chemical reaction is slow, the discharge current is small, and it can be used for a long time.
18650 battery
The 18650 battery has a large capacity per unit density and very good stability. Therefore, it is widely used in electronic fields, such as notebook computer batteries, portable instruments, industrial instruments, medical instruments, and so on.KENENG is a battey holder supplier. We can supply various types of battery holders. Including aa battery holder, 2 aa battery holder, 3 aa battery holder, 4 aa battery holder, 6 aa battery holder, 8 aa battery holder, 10 aa battery holder, 12 aa battery holder, aa battery case holder, battery box, aa battery box, 2 aa battery box, 4 aa battery box, aa wired battery box, etc.
Product Feature And Application
1. The perfect external power source for electronic DIY.
2. Holds four AA batteries.
3. Easy install, convenient to use.
4. High-quality plastic material.
5. The perfect external power source for single-chip microcomputer system, Arduino system, 2WD mobile robot, track-seeking car, RP5 tracked vehicle.
KENENG is a supplier and manufacturer of cell battery holders. We can wholesale many kinds of Cell Battery Holder, free sample, customized made, OEM/ODM available.
CR2450 battery holder
This CR2450 Cell Battery Holder can hold one CR2450 battery. The battery can output 3.0V voltage and this holder can be used as power supply for computer main board, remote control for car key, electronic dictionary, calculator, smart lock, etc. Keyu brand CR2450 battery holder is made of high quality materials, combined with advanced production equipment and strict quality control, for you to produce 100% good products.
3V CR2450 Battery Holder
This 3V CR2450 Battery Holder can hold one CR2450 battery. The battery can output 3.0V voltage and this holder can be used as power supply for computer main board, remote control for car key, electronic dictionary, calculator, smart lock, etc. Keyu brand CR2450 battery holder is made of high quality materials, combined with advanced production equipment and strict quality control, for you to produce 100% good products.
CR2477 battery holder
This CR2477 battery holder can hold one CR2477 battery. The battery can output 3.0V voltage and this holder can be used as power supply for computer main board, remote control for car key, electronic dictionary, calculator, smart lock,
Battery Type: Round plastic battery holder
Place of Origin: Dongguan, China
Color: Black
Material: LCP+GF 94V0
Product name: CR2477 battery holder
Style: Holder(open)
Mounting Type: Custom
Operating Temperature: -10-100℃
Size: 36.2*16*10.5mm
Termination Style: copper sheet
Nominal Voltage: 3.0V
Product Feature And Application
This CR2477 battery holder can be made to 3.0v battery output
The opposite side is the same as the picture shown.
The perfect external power source for electronic DIY.
Holds 1 CR2477 battery.
Easy install, convenient to use.
High-quality plastic material.
The perfect external power source for computer main board, remote control for car key, electronic dictionary, calculator, smart lock,etc.