Lithium battery test method, 18650 lithium battery protective plate

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

Lithium-ion battery test method, use of 18650 lithium-ion battery protection plate. 18650 Lithium Ion Battery After the basic electrochemical performance test, the depth performance study can be performed, and the consistency is good, and the impedance is low to perform various performance tests. The 18650 lithium-ion battery protective board is mostly designed with dedicated lithium-ion battery protection IC and patch MOSFET, which has overcharged, overproduced battery short circuit protection.

18650 Lithium Ion Battery Test Method 1. Electric Test: Overcharge, Overlant, External Moment, Force Discharge, etc. 2.

Mechanical test: Fall, impact, glue, vibration, extrusion, acceleration. 3. Hot test: fire, sand bath, hot plate, thermal shock, oil bath.

4. Environmental test: antihypertensive, height, soaking, gas resistance, etc. 5.

Capacity Test: The lithium ion battery capacity test is parameters with the termination voltage and the settled termination voltage, because the lowest discharge voltage of the lithium ion battery is 2.75V, so the voltage of less than 3V has been tested for the lithium ion battery. Significance; fixed current discharge generally uses how much C, lithium ion battery is generally tested with 0.

5C discharge. 6. Safety performance test: Lithium ion battery safety performance can be qualitatively and quantitatively evaluated by quantitative heat analysis of battery thermal out-of control process.

The exothermic rate and cumulative heat dissipation of the battery at different temperatures are parameters that measure the thermal stability of the battery. 18650 lithium-ion battery pack battery consumes how to detect?. Direct voltage gauge measurement, if the voltage of 18650 battery is below 2.

7V or no voltage. Indicates that this battery or battery pack is damaged. Normal voltage 3.

0V ~ 4.2V (typically 3.0V battery is closed, 4.

2V battery voltage is full of electricity, and 4.35V). 2.

The battery voltage is less than 2.7V, and the battery can be charged with the charger (4.2V).

After ten minutes, if the battery voltage has a rebound, it can continue to charge to the charger prompt, and then watch the voltage. 3. If the 18650 lithium-ion battery pack is measured, there is no voltage, this time there is two cases, one is that the battery is good, long-term loss is stored, this battery has a chance to recover, generally with lithium ion batteries Pulse activator (lithium-ion battery charge and discharge enforcement) to charge the battery for a short time, it is possible to repair.

4, check the battery capacity, set the multimeter to measure the amount of current passing per hour, place two metal rods on the battery positive and negative metal end. 18650 lithium-ion battery protective plate use protector, as the name suggests: circuit board for protection purposes. Not only 18650 lithium-ion battery, accurately, all lithium-ion batteries should be used, important for the battery's overall management, overt, short insurance, etc.

Probably you are a truth in water and containers. When the faucet is opened (battery charging), in the case of no protection, you will always flow into the container (charge). When the container is not installed, he is still flowing, water will overflow.

18650 lithium-ion batteries we all know, if you don't manage management, you will have been charged, more than 4.2V until you are exploding. Is what we said too.

Similarly, it will be discharged, which will be less than 2V. This situation can not charge the electricity, the battery is fundamentally scrapped, but about the professional, it can still charge low current, not completely over, put it to 0V, lithium ion The battery is completely scrapped. So there must be overprotected protection.

There is also overcurrent, short insurance, etc. The 18650 lithium-ion battery has a protective plate, which can control the lithium battery in the specified working environment, no explosion, combustion, etc. Because the working environment of the lithium ion battery has a special requirement, it cannot be overchargeable.

It cannot be too warm. If there is an explosion, if there is an explosion, combustion, etc., the battery will be bad, and it will also cause Serious social problems such as fire.

Lithium-ion batteries without protective panels, will be overcharge, over, overcurrent, battery is easy to damage. 18650 itself is a single-section battery, just semi-finished products! The use of protective panels is used in the machine, and the use of the protective board is the safe use when the battery is charged! Good protective board can also extend the battery. life!.

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