4S 10A 14.8V 16.8V 18650 Li-ion Lithium Battery Charger BMS Protection PCB BoardSold By ICStation, Ships from China
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Description: Lithium battery protection board. It is used to protect the battery and prevent it from being over-discharged or over-charged during use, resulting in battery damage. Features: Small ...Read More…
Lithium battery protection board. It is used to protect the battery and prevent it from being over-discharged or over-charged during use, resulting in battery damage.
|5||Upper working current||10A|
|6||Working temperature||-40 to +50 Celsius|
|7||Maximum instantaneous current||20A|
|8||Storage condition||-40 to +80 Celsius|
|9||Static current||Less than 30uA|
|10||Effective life||More than 50000 hours|
|11||Internal resistance||Less than 100m ohm|
|12||Short circuit protection||Yes, Charge recovery|
Q: Can I use this protection board for my battery?
A: You need to consider two things. First, how many strings your battery is, you need to buy the protection board corresponding to the number of strings. Second, what is the material of your battery? We have two kinds of protection plates for lithium iron phosphate and polymer lithium batteries. You need to annotate your battery specific model in the classification.
Q: How do I tell what my battery is made of?
A: You can see your battery nominal voltage. The lithium iron phosphate battery is typically 3.2V, and the other batteries are typically 3.6V or 3.7V. You can also directly ask the seller of the battery. Many buyers say that my battery is 18650 or 26650 soft bag, this is the shape, not the material! We can't determine your battery protection parameters according to this.
Q: How much current protection should I choose?
A: it depends on the power of your product or the controller limit flow. For example, choose 10A below 100W, 20A below 200W, and 25A below 300W. Note that the protection plate current cannot be less than the controller current limit.
Q: My battery is 20AH, so can I use this protection board?
A: The battery capacity is not directly related to the current size of the protective panel. Large capacity is not a big battery. According to the continuous current, that is to say, the larger the power of your battery, the larger the current of the protection plate you choose will be, and it has no direct relationship with your battery capacity.
Q: How to set the charger voltage?
A: The lithium battery shall be charged with the special charger of lithium battery. Do not use the lead-acid battery charger, as the lead acid charge may have a high voltage anti-breakdown protection plate MOS tube, causing the protection plate to be overcharged and unprotected.
B: Charger voltage setting: battery pack number 4.2V, which is the charging voltage of non-ferrous lithium battery. The charging voltage of the iron lithium battery is the battery number 3.60V, which is the charging voltage of the iron lithium battery, and the charging current standard is 0.2 times the capacity.
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