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Lithium Battery For Solar Lighting
Compared with nickel-metal hydride batteries, lithium battery packs have the advantages of small size, lighter weight, low lithium battery life, and no memory, and are widely used in many new mobile terminals. The common rechargeable batteries in mobile terminals such as mobile phones and notebook computers have been gradually replaced by lithium batteries. Ni-MH rechargeable batteries with less significant memory do not necessarily need to be recharged after they are discharged when they are urgently needed. It is best to use it in normal times, and then it is sufficient after light.
The energy density of the rechargeable battery is large, and the rechargeable battery is small; the operating voltage of a single lithium battery is 3 times that of a nickel-hydrogen rechargeable battery; it has no memory and can be used as it is charged. However, the battery cannot be charged after a period of time. If the battery is charged and discharged too much, it will harm the number of battery cycles. Lithium batteries that are not suitable for long-term storage will permanently lose a part of their capacity when stored for a long time. After the battery is charged 40%, it is best to store it in the freezer of the refrigerator.
3. It is the battery charging method.
The charging regulations for lithium batteries are different from those for NiMH batteries. As the lithium battery is filled with electricity, the working voltage will slowly increase. This is also a sign to distinguish whether the lithium battery is filled or not. Generally, the manufacturer proposes that the filling stop working voltage is. Generally, the battery charging of the lithium battery adopts the working pressure overcurrent protection method. If there are friends who want to charge the lithium battery battery independently, it should be noted that its battery charging method is different from the constant current power battery charging method of the Ni-MH rechargeable battery.
4. It is a single working voltage.
The voltage of the lithium battery is 3.7-, and the working voltage of the Ni-MH rechargeable battery is only 1-, and its volume can be used in series with 3 Ni-MH rechargeable batteries.
5. Is the battery charging rate.
Due to the cheerful characteristics of lithium-ion batteries, it can move quickly in the rechargeable battery, so the current is higher, and the battery will be charged quickly, and it will fill up a lithium battery in about 3 hours; while the charging rate of the nickel-hydrogen rechargeable battery is slow, probably It takes 1 day to fill up.
6. Is the specific energy.
Lithium battery rechargeable batteries have a high specific energy. In the first batch of marketing and promotion documents this year, the specific energy of lithium batteries for pure electric vehicles has exceeded 160Wh/kg; Ni-MH rechargeable batteries have low specific energy, only 40~70Wh/kg. Therefore, under the same volume, the volume of lithium batteries exceeds that of nickel-hydrogen rechargeable batteries.
7. It is memory.
Rechargeable batteries have no memory and can be charged as they are used; Ni-MH rechargeable batteries have a certain degree of memory. It is best to ensure full charge in normal applications to prevent damage to battery power.
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