The full charge display of chargers of different brands and models is the same:

    1. The battery will be displayed on the screen. When the number is 100, the battery will be charged.

    2. The battery has no screen, but there are four indicators. Press the switch, the indicator light will display according to the battery level. When all five lights are on, the lights are full.

    3. There is a battery diagram to remind users. The battery display has four grids, and the battery is fully charged when the grid is full.

    Extended information:

    Common equipment:

    1. General combination

    Combined power bank, also known as magical power bank, has a stylish, simple and atmospheric design, and a contrast of colors. The main body energy block separate design, you can think big and small, and it is more convenient to carry.

    Combining traditional charging cables and high-speed charging boards, the charging speed is more than doubled. The standard distribution battery capacity is 10400mAh, which is relatively sufficient, which can perfectly delay the battery life. It supports 5V/2A charging output, which can greatly increase the output speed, and is very suitable for long-distance business trips.

    2. Normal charges

    This kind of portable power banks does not carry any expansion function and can only be charged and discharged. They are more fashionable in shape, and use flexible packaging batteries, which are professional portable power banks.

    3. Responsible for selection

    When CN3066 starts to work, CN3066 will detect whether the battery voltage is low. If so, use trickle charging, that is, charge the battery with a smaller constant current until the battery voltage rises to a safe value. After that, the charging current remains at a relatively large value, usually 10 times or more than the dripped charging current.

    4. Constant voltage charging status

    The 1000mAh battery is charged with 700mA current to avoid damage to the lithium core caused by high current charging. In the case of constant current charging and trickle charging, the charge management chip continuously monitors the battery voltage. When the voltage of a single lithium battery reaches 4.2V, the constant current charging state ends and the battery enters the constant voltage charging state.

    In this state, the charging voltage is constant at 4.2V. When the current of the lithium core drops to 1/10 of the original value, the constant voltage charging state ends.

    5. Keep charged

    In the maintenance charging state, if the portable power banks is still inserted into the charger after the battery is fully charged, the battery will be powered off due to self-discharge. CN3066 charges the lithium core with a small current, or monitors the battery potential when the lithium core is recharged. This state is called the maintenance charging state.

    6. Constant voltage charging status

    In the circuit, CN3066 will monitor the voltage, temperature, charging current and charging time of the lithium iron core in real time. When the battery temperature reaches 60°C or the lithium-ion battery voltage reaches 4.2V, the constant voltage charging state will automatically terminate.

    7. Structure

    In fact, the power bank is a large-capacity portable power banks that is easy to carry. It is a portable device integrating storage, boosting, and charging management.

    The plug of the power bank directly from the AC power supply can charge the battery for mobile equipment and its own electrical equipment, which is equivalent to the mixture of the backup battery and the charger can simplify the power plug with the backup equipment, and the charger itself has an electric device, which can be directly Power failure or digital products provide backup power away.