The AG4 battery is considered one of the most inexpensive and is often used to power watches or toys. Sometimes, this compact alkaline-manganese battery is essential for small technical devices. It's worth considering the most important features of this battery and the principles for selecting it.
Basic battery parameters
AG4 has markings LR626, LR66. Let's try to decipher these markings. LR are the symbols used to designate alkaline batteries. The numbers indicate the size of the product.
Technical specifications
- Type name – tablet;
- Type name – alkaline;
- Power capacity – 18 mAh;
- Voltage – 1.5 Volts;
- Weight – less than 1 g;
- Height – 2.6 mm;
- Diameter – 6.8 mm.
The battery is quite compact, resembling a coin or button cell. The AG4 offers excellent performance, high energy capacity, and low discharge rates.
| Characteristic | Meaning |
| Name | AG4 |
| View | Manganese-alkaline component |
| Form | Tablet |
| Electrical capacity | 18 mAh |
| Voltage | 1.5 V |
| Marking | LR66 |
| Analogue | Read more |
| Thickness | 2.6 mm |
| Diameter | 6.8 mm |
| Weight | 1 g |
Areas of product use
The above battery can be used with the following types of equipment:
- Mobile devices;
- Lasers;
- Toys;
- Watch;
- Scales;
- Flashlights;
- Calculators;
- Sensors;
- Backup power elements.
This type of battery is temperature-sensitive. This means that at temperatures below 10 degrees Celsius, the battery quickly loses charge. Therefore, it is sometimes better to use a similar battery that tolerates cold well. No changes are observed at higher temperatures.
Available analogues
If the AG4 is unavailable at your local store, you can easily use any existing equivalent instead, as the differences are minor: for example, different weight or different electrical capacity. Basically, they are very similar.
Battery charge
Charge this type galvanic cells It's impossible because it's impossible. But it's also not necessary, as it's very low cost and highly effective. That's why it's so widespread and popular.
But when buying a battery, you should pay attention to the manufacturer. Not every seller is reputable, and you could end up with a defective battery. It will work poorly, or you might end up with a completely useless item. Therefore, avoid relying on online stores and other unreliable sources.
List of verified manufacturers
This list shows companies that produce good quality batteries at low prices.
GPA fairly well-known brand that produces mercury-free batteries, which is very beneficial from an environmental perspective.
- Produces batteries that can withstand a wide temperature range. This is crucial for customers living in the northern regions, as they often have to deal with low temperatures, which not all batteries are designed for. galvanic cells.
- Good quality and low cost!
- If you use devices with low or medium power consumption, then this company is suitable for you.
- A large number of different batteries, a wide choice.
- Cosmos. A Russian company that produces batteries for watches and toys.
- Guaranteed high levels of durability at an affordable price.
- Very low cost, but not suitable for complex multifunctional equipment.
- Reliable and inexpensive products.
What you should know
The main question you should be concerned about is whether the Ag4 is suitable for a specific device. A battery that's perfect for a kid's toy may be too weak for more complex equipment. In that case, a battery with a higher power rating will be needed.
When choosing, look at:
- Dimensions;
- Electrical capacity;
- Power;
- Resistance to various temperatures;
- Voltage;
- Self-charging level.
A smart approach to choosing a product will help you avoid making the wrong purchase. Therefore, it's a good idea to take the old product you were using with the device you're looking for to the store. This is necessary so you can compare specifications and choose the closest match. After all, if you choose the wrong size, you simply won't be able to use the product. Temperature resistance also plays a crucial role, as technical devices operate in a variety of conditions, including temperature ranges. Therefore, it's important to choose a product that will work in both hot and cold conditions.
Choose carefully and only then make a purchase, and in this case you will get a truly high-quality battery!
