The lifespan of an AA lithium battery is typically several years

Introduction The lifespan of an AA lithium battery is typically several years to five years. The No. 9 lithium battery is the battery used in No. 9 electric vehicles. It has high energy density and lifespan. The battery uses self-developed technologies

The lifespan of an AA lithium battery is typically several years

Five years. The No. 9 lithium battery is the battery used in No. 9 electric vehicles. It has high energy density and lifespan. The battery uses self-developed high-cycle lithium battery cells, combined with the BMS battery management system, to further ensure the battery safety of users when using the vehicle. Battery performance cannot be less than 70% of that of a new car. 5 years.

What is the actual voltage of a 7.4V lithium battery?

I think it's 18650/the battery is the origin of lithium batteries ion - it was defined by the Japanese. SONY company in order to reduce costs. A standard lithium-ion battery model, where 18 indicates a diameter of 18mm, 65 indicates a length of 65mm, and 0 indicates a cylindrical battery. As the phone does not have a cigarette case, its size is estimated at 65 mm.

It isis actually the result of two 3.6 (3.7) V batteries connected in series. The actual voltage is 7.2V.

Generally divided into: No. 1, 2, 3, 5 and No. 7, among which No. 5 and No. 7 are particularly commonly used. The so-called AA battery is number. 5, and the AAA battery is battery No. 7. Both AA and AAA indicate the battery model. The specific models are as follows:

1. D type battery (large battery/LR20/AM1) diameter ф34.2 height 61.5mm;

2. Type C battery (AA/LR14/AM2 battery) diameter ф26.2; height 50.0 mm.

3. AA battery (AA/LR6/AM3 battery) diameter ф14.5 height 50.5 mm.

4. AAA battery (AAA/LR03/AM4 battery) diameter ф10.5; height 44.5mm.

5. Battery type AA/2 (8th battery LR1/AM5) diameter ф11.0 height 30.0 mm.

6. AAAA battery (AA/LR61/AM6 battery) diameter ф8.0; height 39.5mm.

7. Battery type AAAA/2 (small battery AA/LR61/AM6) diameter ф8.0 height 28.0 mm.

Detailed information:

Battery classification:

1. Dry Batteries

Dry batteries are also called manganese-zinc batteries. So-called dry batteries relate to voltaic batteries, and so-called manganese-zinc batteries refer to their raw materials. For dry cell batteries made from other materials such as silver oxide batteries and nickel cadmium batteries. The manganese-zinc battery voltage is 15V. Dry batteries consume chemical raw materials to generate electrical energy. Its voltage is not high and the direct current it can produce cannot exceed 1 ampere.

2. Lead acid battery

The battery is one of the most used batteries. Use a glass or plastic tank, fill it with sulfuric acid and insert two lead plates, one connected to the positive electrode of the charger and the other Connected to the negative pole of the charger, a batteryIt forms after more than ten hours of charging. There are 2 volts between its positive and negative terminals. The advantage of batteries is that they can be used repeatedly.

In addition, as its internal resistance is extremely low, it can provide significant current. Use it to power the car engine, and the instantaneous current can reach more than 20 amps. The battery stores electrical energy when charging and converts chemical energy into electrical energy when discharging. ?

3. Lithium battery

Battery with lithium as negative electrode. This is a new type of high-energy battery developed after the 1960s. According to the different electrolytes used, they are divided into: high temperature molten salt lithium batteries, organic electrolyte lithium batteries, lithium batteries. lithium with inorganic non-aqueous electrolyte, lithium batteries with solid electrolyte and lithium-e batteriesAt.

Reference materials:

Baidu Encyclopedia-Battery

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