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Product Specifications


  Model No :
  4S PCM
  Package list:
  2*n Pcs, "n"means buying qty, i.e. the number filled in the blank of "Quantity"
  Condition:
  Brand New
  Brand:
  FMA
  Current Limit:
  7A Cont.
  V(P+~P-):
  Output 12V~16.8V
  V(B+~B1):
  3.7V
  V(B+~B2):
  7.4V
  V(B+~B3):
  11.1V
  V(B+~B-):
  14.8V
  P+:
  Output +
  P-:
  Output -
  B+:
  Battery + ("+" of the 1st cell)
  B-:
  Battery - ("-" of the 3rd cell)
  B3:
  "-" of the 1st cell and "+" of the 2nd cell
  B2:
  "-" of the 2nd cell and "+" of the 3rd cell
  Size:
  2.8*16*50mm
  Output:
  DC 12V-16.8V
  Its main function to battery are:
  1. Over charge protection;
  2. Over discharge protection;
  3. Short circuit protection;
  4. Over current protection;
  5. Reverse charge protection;
  6. Over heat protection.

 

Caution!
    We delivery the item same as the main pictures you saw in general.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
No.
Test item
Criterion
1
VoltageCharging voltageDC:16.8V CC/CV
Balance voltage for single cellN/A
2
CurrentBalance current for single cellN/A
Current consumption≤50μA
Maximal continuous charging current7A
Maximal continuous Discharging current7A
3
Over charge ProtectionOver charge detection voltage4.35V±0.025V
Over charge detection delay time0.5S—1.5S
Over charge release voltage4.15±0.05V
4
Over discharge protectionOver discharge detection voltage2.4V±0.08V
Over discharge detection delay time0.5S—1.5S
Over discharge release voltage3.0V±0.1V
5
Over current protectionOver current detection voltage150±20mv
Over current detection current12.0±2A
Detection delay time5ms—15ms
Release conditionCut load
6
Short Circuit protectionDetection conditionExterior short circuit
Detection delay time200-500us
Release conditionCut load
7
ResistanceProtection circuitry（MOSFET）≤50mΩ
8
TemperatureOperating Temperature Range-40～+85℃
Storage Temperature Range-40～+125℃

Product Gallery

     

Shipping Policy

     
  1. We ship to worldwide countries and to the address prior to registered in Paypal. Its better to make the address are same both in paypal or ebay, and provide telephone number for valid delivery. If you are in the countries that we can't ship to, pls. contact us for a special handle;
    2.  
  2. Handling time within 24 hrs in general, if the item need assembly, maybe need 36 hrs in maximum;
    3.  
  3. According to total amount of the order; We may ship the item by the ordinary airmail (no tracking number, for low value items), the registered airmail (have tracking number) or the express shipping methods;
    4.  
  4. So shipping duration may varity from 7-60days. About 7-30days in general, 10-21 business days to most countries. Actually depends on postal process (including the custom and local post office of your country). To Brazil or some island maybe take 60days;
    5.  
  5. As battery parcel catch much more strictly inspection and limited, it will take more days to some countries. Its better to get the parcel than no, so don't mind shipping time if you order battery items.
    6.  
  6. Please note this is typical transit times. You may experience faster or slower delivery times than indicated above. During peak Holidays season such as Christmas,New Year, China Spring Festival etc, you may experience extremely slower delivery time due to higher mail volume or holiday.


Payment Method

     
  1. We accept paypal payment only;
    2.  
  2. Any other methods pls. contact us freely.
     

Returns Policy

     
  1. Pls. study the item carefully, ensure your purchasing choice is right;
    2.  
  2. Any return with original cosmetic are accept, you need pay return freight for your choice; Refund pay only when we get your return parcel;
    3.  
  3. Communicate with us before return is a very good action so help to solve any issues smoothly.
    4.  
  4. Buyers need pay for additional COD charges, VAT, Customs fees, and Duty for importation (if any). We ONLY handle the shipping to you;
    5.  
  5. We stand behind all our products with 30 days guarantee, valid from the date of receipt;
    6.  
  6. We guarantee the item we shipped will be checked and packaged in good condition before dispatch;
    7.  
  7. In the unlikely event of a functional problem, we will provide an exchange, reship or refund.

Contact Us

     
  1. We treat our transaction as a long-term business and try to keep a perfect seller rating.
    2.  
  2. Please do not leave us Negative or Neutral feedback just because of the shipping delay, Because it is beyond of our control that delayed by custom clearance or local post office. Shipping time depends highly on Local Postal Service and custom operations.
    3.  
  3. Please contact us before leaving negative and neutral feedback so we can try to resolve any issues. It is our duty to leave positive feedback to you;
    4.  
  4. Your satisfaction is our first priority forever!
    5.  
  5. Welcome wholesale order (buy in wholesale lot) and please contact us for detailes;
    6.  
  6. We can build any battery packs and other products according to your requirements, please provide detailed parameters and photoes to us. We will create a new eBay listing to you.
    7.  
  7. If you have any questions please contact us asap and all your questions will be answered within 16 hours.