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5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized

    Buy cheap 5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized from wholesalers
     
    Buy cheap 5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized from wholesalers
    • Buy cheap 5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized from wholesalers
    • Buy cheap 5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized from wholesalers

    5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized

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    Certification : CE, RoHS, MSDS, Un38.3
    Brand Name : RESKY
    Model Number : RSK-18.5V4400mAh
    Price : Negotiable
    Payment Terms : Western Union,T/T
    Supply Ability : 10000pcs/day
    Delivery Time : 7-10days
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    5s2p Lithium Ion 18650 Solar Battery 18.5V 4400mAh Customized

    Product Description

    Li-ion Battery Pack 18.5V 4400mAh 5s2p Lithium Ion 18650 Solar Batteries

    Model18650-5S2P
    Nominal voltage18.5V
    Nominal capacity4400mAh
    Sizecustomized
    Max charge current0.5C
    Charging methodConstant current 1C to 21V,then charge with constant voltage 21V till charge current less than 0.01C
    Max discharge current1C
    Discharge cut-off voltage15V, the over-discharge detection voltage of PCM
    Operating environmentCharging, 0°C ~ 45°C ; 65±20%RH; Discharging, -20°C~60°C ; 65±20%RH
    Storage environment-20°C~45°; 65±20%RH;
    Lifespan (80% Prime Capacity)>500times
    Charging AttentionIt is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance.

    Safety Features:


    Over - charge Protection


    18650 Li - ion battery packs are equipped with over - charge protection circuits. These circuits monitor the battery's voltage during the charging process. When the voltage reaches a pre - determined upper limit (usually around 4.2V per cell), the protection circuit cuts off the charging current. This prevents the battery from being over - charged, which could lead to a variety of problems. For example, over - charging can cause the battery's internal components to degrade more rapidly, reducing its overall lifespan. In more severe cases, it can lead to the formation of lithium dendrites, which can cause short - circuits and potentially lead to a fire or explosion.


    Over - discharge Protection


    The battery packs also have over - discharge protection. As the battery is used and its voltage drops, the over - discharge protection mechanism comes into play. When the voltage reaches a lower limit (around 2.5V - 3.0V per cell, depending on the specific battery design), the circuit disconnects the battery from the load to prevent further discharge. Over - discharging can cause irreversible damage to the battery's electrodes and electrolyte. It can also lead to a loss of battery capacity and an increase in internal resistance, which affects the battery's performance and long - term usability.


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