There are devices that require miniature power sources. Many of them are powered by a B40H battery. It has a distinctive, flattened cylindrical shape and comes in a green case. Some models have soldered-on pins or wires.
Characteristics of the b40h battery
| Parameter | Parameter data |
| Voltage | From 1.2 to 3.6 volts. Depending on the type. |
| Capacity | 40 - 110 mAh. |
| Minimum discharge voltage | 1 volt. |
| Storage temperature | From -25 to +35 degrees Celsius. |
| Weight | 2-6 grams. |
| Self-discharge | < 30% in 7 days at T=45 º C |
| Charge and discharge cycles | 500 times. |
| Dimensions | 15.3*7.7 mm |
| Shelf life | 2 years |
| Country of origin | China, Japan, USA. |
There are batteries with higher voltage available for sale. capacity.
Where are they used?
These b40h batteries are used in devices such as:
- Hearing aids.
- Flashlights.
- Alarm devices.
- Medical devices.
- Laser pointers.
B40h Consumer Tips
Before purchasing, you should keep in mind some of the nuances listed below.
- There should be no cracks or scratches on the battery.
- The absence of rust is a sign of a product that has been stored for a long time or has been exposed to moisture.
- Make sure there is no deformation.
- Also check for electrolyte leakage.
- Do not give b40h to children.
- Throwing into fire is prohibited.
- Do not open.
By following all these tips, your battery will last you a long time.
