18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

18650 battery flat top

release time:2024-05-08 Hits:     Popular:AG11 battery

  What are the classifications of 18650 battery flat top and how to maintain them?

  18650 battery flat top are classified into ordinary batteries, dry-charge batteries and maintenance-free batteries. The advantages are stable voltage, low price, earthquake resistance, high temperature resistance, small size and low self-discharge. In addition, the maintenance method of 18650 battery flat top is to avoid parking them for a long time to prevent If the battery is damaged by freezing, check the accessories and connecting lines on the battery regularly. Next, I will introduce the details to you.

  1. Classification of 18650 battery flat top

  1. Ordinary battery

  The plates of ordinary batteries are composed of lead and lead oxide, and the electrolyte is an aqueous solution of sulfuric acid. Its main advantages are stable voltage and low price; its disadvantages are low specific energy (that is, the electrical energy stored per kilogram of battery), short service life and frequent daily maintenance.

  2. Dry charge battery

  Its full name is dry-charged lead-acid battery. Its main feature is that the negative plate has a high power storage capacity. In a completely dry state, it can store the power obtained within two years. When using it, just add electrolyte liquid, wait 20-30 minutes before use.

  3. Maintenance-free battery

  Due to its structural advantages, maintenance-free batteries consume very little electrolyte and basically do not need to replenish distilled water during their service life. It also has the characteristics of shock resistance, high temperature resistance, small size and low self-discharge. The service life is generally twice that of ordinary batteries. There are also two types of maintenance-free batteries on the market: the first type requires a one-time addition of electrolyte when purchased and does not require maintenance (adding replenishing fluid) during subsequent use; the other type is that the battery itself has electrolyte added and sealed at the factory. , the user cannot add refill fluid at all.

  2. Maintenance methods of 18650 battery flat top

  The battery is most afraid of low temperature. In a low temperature environment, the battery capacity is much lower than that at normal temperature. Therefore, we need to check and maintain in time, and pay attention to the following in daily life:

  1. Avoid parking the car in an open-air parking lot for a long time. If it is parked for a long time, the battery must be removed and taken away to prevent the battery from freezing and damage.

  2. The car engine is not easy to start in winter. The time to start the car should not exceed 5 seconds each time, and the interval between restarts should not be less than 15 seconds. If it still does not ignite after being started several times, the cause should be found from other aspects such as the circuit, ignition coil or oil circuit. Avoid starting multiple times without interruption, as this may cause the battery to burn out due to over-discharge.

  3. The car battery must be charged frequently. If the battery is not used for a long time, it will slowly discharge itself until it is scrapped. Therefore, the car should be started every once in a while to charge the battery.

  4. Clean the battery terminals every once in a while and apply special grease to protect the wiring harness. Always check the accessories and connecting lines on the battery.

  5. It is forbidden to use car electrical appliances after the car is turned off. Using the battery alone when the engine is not generating electricity will cause damage to it.


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