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

3.7V Lithium Polymer Battery

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

  How to choose 3.7V Lithium Polymer Battery and what should you pay attention to when charging?

  When choosing an 3.7V Lithium Polymer Battery, you should pay attention to issues such as the station, technical performance, reliability, etc. When charging, operate strictly in accordance with the specifications. The connectors on the charger line must be firmly connected. Here is a detailed introduction to "how to choose an 3.7V Lithium Polymer Battery" and precautions when charging."

  1. How to choose 3.7V Lithium Polymer Battery

  1. At the station, in the early stages of operation, one computer plus one printer requires little power and does not require high power accuracy, so the backup type is often used. Nowadays, the number of networked computers and other electrical equipment at each station has increased significantly, and the available power requirements are higher. It is recommended to use online UPS. Online UPS has voltage stabilization, frequency stabilization, zero switching time, and no interference to the load. It is especially suitable for stations far away from urban areas and with large power fluctuations.

  2. In terms of technical performance,

  First, we must consider the advancement of technology. For example, it is best to have DSP control technology; support economic mode (ECO mode); power distribution type with high power requirements (such as radar) requires three in and three out (three-phase five-wire); wide input voltage range, etc.

  Second, the performance indicators must meet the requirements. Such as higher power factor, stronger load capacity; modular design and high reliability.

  Third, the output voltage should have good stability and the ability to withstand instantaneous overload.

  3. In view of the all-weather and uninterrupted working characteristics of meteorological stations, the selection of UPS must pay more attention to reliability and must be suitable for long-term uninterrupted work.

  4. For long-lasting UPS, the external battery pack must be sufficient and have digital charging and discharging and self-protection functions.

  5. If you do not consider configuring a large-capacity battery pack, when configuring a UPS, you need to consider that the UPS is allowed to be used with a generator. At the same time, the power ratio between the UPS and the generator must be determined according to the load conditions. Where it is convenient and timely to start the generator, you can consider appropriately reducing the configuration of UPS batteries to reduce UPS procurement and update costs. On the contrary, increase the number of batteries configured and extend the battery power supply time.

  6. If the additional battery pack is limited by the UPS’s local charging circuit, consider adding additional smart charging equipment.

  7. Determine the working time of the battery. Under normal circumstances, when fully loaded, the battery power supply time = (battery pack operating voltage * battery pack capacity) / (host power * power factor).

  8. The performance and price of UPS are directly proportional. The more performance and higher the indicators, the higher the price. For example, whether it is a metal shell, whether it has an input/output isolation transformer, whether it has power factor compensation, whether it has SP control, whether it has a large-screen LCD display, etc., each item has added value. When choosing UPS equipment for ordinary stations, it is recommended not to pursue too many performance indicators. It depends on the needs, as long as the performance is usable and the cost-effectiveness is high enough.

  9. When selecting UPS equipment, consider the size of the space for placing the UPS power system equipment, the safety of use and maintenance, etc.

  10. The brand, credibility and localization rate of UPS equipment are also factors to consider. At present, the performance and quality of UPS of domestic brands can meet the needs, and the after-sales service is perfect, which is worth considering when purchasing.

  2. Precautions for charging UPS batteries

  1. Operate strictly in accordance with specifications.

  2. When the electrolyte temperature exceeds 40℃, the charging current should be reduced. When it rises to 50℃, charging should be stopped and artificial cooling should be performed.

  3. Be sure to open the lid for adding liquid, and then close the lid after charging to prevent residual gas from escaping from the battery.

  4. The connector on the charger line must be connected securely.


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