1.5v Button battery

　　Why are lithium batteries not fully charged?

　　1. The 1.5v Button battery pack cannot be charged.

　　The 1.5v Button battery pack in an electric vehicle cannot be charged when charging. The reasons can be divided into: incorrect connection of the charging head or failure of the charging head; invalid shield protection or battery protection plate; failure of the 1.5v Button battery pack and high-power electrical appliances External short circuit.

　　After solving the above-mentioned safety hazards, we searched successively: whether the charging head was connected incorrectly, and whether the positive and negative power plugs for charging the 1.5v Button battery were connected incorrectly; we eliminated the maintenance of the 1.5v Button battery protection board of the appliance, restarted the MOS tube, and accurately Measure whether the MOS tube has driver voltage; check whether the wiring is broken.

　　2. Lithium batteries cannot be discharged.

　　The 1.5v Button battery pack in pure electric vehicles cannot be charged and discharged normally during use for the following reasons: low voltage of the 1.5v Button battery pack, shielding or control panel maintenance; damage to the shielding or control panel; positive and negative charge and discharge Wrong connection; the line is disconnected or the power switch is not turned on.

　　For the above-mentioned unfavorable situation, measures such as charging the 1.5v Button battery pack, finding insulation boards or line connections can be adopted to solve the problem.

　　3. The 1.5v Button battery is not fully charged

　　When the pure electric vehicle 1.5v Button battery pack is used in the circulation system, if the battery does not reach the 1.5v Button battery pack during charging, the working voltage of the battery pack will be cut off and the battery charging will be terminated. This is because the power consumption or capacity of a single string of 1.5v Button battery packs is inconsistent. Large power consumption or small capacity is charged first and then protected by the 1.5v Button battery protection board, so that other strings of batteries terminate the charging process before they are full.

　　In this case, a balanced charging head can be used to charge the 1.5v Button battery pack to keep the voltage of each string consistent. If the capacity is very different, batteries with very different sizes must be replaced. But the most important thing is that the 1.5v Button battery cells must be volumetrically inspected and matched and divided before assembly, otherwise there will be inconvenience in series connection and disassembly.

　　4. Short battery life.

　　The 1.5v Button battery pack in pure electric vehicles will quickly release current when used. The reasons are: the rechargeable battery is not filled; the voltage capacity of a single string varies greatly; the 1.5v Button battery pack has a micro-short circuit fault or the 1.5v Button battery pack self-releases current. Large, causing the 1.5v Button battery pack to run out of power as soon as it is filled. For the above defective batteries, the 1.5v Button battery can be recharged or the defective battery can be replaced.

　　5. The voltage of 1.5v Button battery is unstable.

　　1.5v Button battery packs for pure electric vehicles are composed of several lithium cells connected in series and parallel. The consistency requirements for lithium cells are very high. Although the manufacturers of 1.5v Button battery packs have matched the lithium cells, due to the errors of the batteries, the lithium During the long-term use of the battery pack, the voltage of each battery string will be inconsistent, which will lead to a decrease in the energy output to the entire battery pack. Then, the power will suddenly turn off during use, the schedule will drop sharply, and the battery will not be able to be charged. There are problems such as insufficient power and the inability to charge the battery.

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