Home > Products > AC to DC power adapter 12V2A > Wall Plug Adapter

Products

Lenovo Laptop Adapter Manufacturer

Eahunt will provide long-term accumulated power supply technologies for more applications, covering consumer electronics, industrial, lighting, smart home, medical and other electrical products. All the products meet the requirements of EU ERP VI and U.S. DoE VI/CEC VI (six level of energy efficiency standard) and come with safety approvals of UL、CE、 CCC、CB、ETL、GS 、BS、KC、SAA、PSE、RoHS etc. marks and reliability certifications

Send Inquiry

Description

product-750-413

With all the certifications UL, ETL, FCC, CE, CB, GS, CCC, CQC, PSE, KC, KCC, SAA, RCM, etc.

Battery and power adapter

Laptop power supply includes battery and power adapter two parts, the battery is the laptop outdoor office power source, the power adapter is to charge the battery is a necessary device, but also indoor office of choice for the power source.

1、Battery

The essence of the laptop battery and ordinary chargers are not very different, but manufacturers will usually be based on the characteristics of the laptop model to the battery shell design packaging, multiple rechargeable batteries encapsulated in a designed battery shell. At present, the mainstream notebook computers generally use lithium-ion batteries as a standard configuration, in addition to lithium-ion batteries, notebook computers in the use of batteries and nickel-chromium batteries, nickel-metal hydride batteries and fuel cells and so on.

2, power adapter

When in the office or a power supply place to use notebook computers, generally use the laptop power adapter power supply, power adapter can generally automatically detect 100 ~ 240V AC (50/60Hz), for notebook computers to provide a stable low-voltage DC power (generally between 12 ~ 19V). Notebook computers are generally external power adapter, with a line and host connection, which can reduce the size and weight of the host, only a very small number of models to the power adapter built into the host.

Notebook power adapter are fully sealed miniaturized design, but its power is generally up to 35 ~ 180W, so the internal temperature is high, especially in the hot summer, touch the charging power adapter will have a hot feeling. When the laptop is turned on for the first time, the battery power is usually not full, so users need to connect the power adapter, if the laptop is not used for a long time, it is recommended that users unplug the battery and store the battery separately. If the battery is not used for a long time, users are advised to disconnect the battery and store it separately. For other battery use, it is recommended that the battery be charged and discharged at least once a month. Otherwise the battery may malfunction due to over-discharge.