3PC 3.5A 18650 18500 Li-ion battery cell protection circuit board PCB PCM assemble
This specification applies to the 1 serial-cells (1S) lithium-ion battery protection board, which strictly conforms to the ROHS standard.
Quantity: 3pcs PCM + 3pcs plastic base
Description
Electronic characteristic（Ta=25℃）
----Overcharge
overcharge protection voltage 4.300±0.05V
overcharge release voltage 4.15±0.050V
delay time of overcharge 0.80-1.40s
release method of overcharge lower than overcharge release data
----Over discharge
over discharge protection voltage 2.400±0.100V
over discharge release voltage 3.000±0.100V
delay time of over discharge 40-100ms
release method of over discharge cut-off load and voltage higher than over discharge release data
----Excess discharge current
the current of over discharge current 6A
delay time of over discharge current protection 10~20ms
release method of excess discharge current cut-off load
----Short
delay time of short protection 250-380us
release method of short protection after short circuit released
----Self consuming
static self consuming Max.7uA
------suggest Working conditions
MAX charge current 3.5A
MAX discharge current 3.5A
----IR resistance
the IR resistance of main circuit Max.65mohm
----size
size of single PCM 16mm(diameter)*0.6mm(max H)
size of plasic base 16mm(inner diameter)*17mm(outer diameter) * 2.5mm (H)
Description of welding point:
· B+ is connected to the battery +
· B－ is connect to the battery-
· P+ is connected to the positive port of charging & discharge terminal (charging (+) & discharge(+) are same port, so P+ and B+ share a point).
· P- is connected to the negative port of the charge/discharge terminal (charging(-) & discharge(-) are same port)
· The back of the board (steel sheet) is P-
· B+ is connected to the battery +
· B－ is connect to the battery-
· P+ is connected to the positive port of charging & discharge terminal (charging (+) & discharge(+) are same port, so P+ and B+ share a point).
· P- is connected to the negative port of the charge/discharge terminal (charging(-) & discharge(-) are same port)
· The back of the board (steel sheet) is P-
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Return Policy
----Customer Satisfaction is always our Top Priority.
----We will give a full refund only if the item you receive is different from the description. A refund will be given when the item is returned back to the store. Buyer should inspect the item upon receipt of the package. Contact us before return.
----Please contact us if you want to return item if you purchased wrong. For restocking fee and other fee, we will discuss friendly to solve.
----If you find the item is defective, we would offer exchange.
Returned item must be in original condition. Any item returned must be packaged completely, with all manuals, cables, accessories, software, etc.
Regardless of condition, all items must be packaged appropriately so as not to incur physical damage during return shipping. Damaged item can not be accepted.
----All faulty due to improper installation or improper use will NOT be responsible. Any physical damage will void your service too.
----It must be noticed within 3 days for any problem and returned within 14 days of receipt and in the same condition it was sent in. You must contact us before shipping any items back. For all cases, shipping fee is not refundable and buyer is responsible for the return shipping cost. We will not refund shipping costs.
----If you encounter any problems about anything, please feel free to send us inquiry and we will do our best to assist you to solve the issue.
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