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4S 13.2V 14.6V LiFePO4 BMS w/ balancer 60A cas/discas (300A Peak)
Current Price : RM 90.00 (Standard Auction) Condition : New
Main > Electronics & Appliances > Electronic Parts
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Product Description for 4S 13.2V 14.6V LiFePO4 BMS w/ balancer 60A cas/discas (300A Peak)

   "High quality, High Current(60A working charger/discharger), with balance function, Free Poslaju Shipment~!"
Suitable use for all propose, Solar charging, car start, power inverter, E-bike, motor, etc..

For NON Lelong Buyer, whom want to buy direct from us, please make payment to following acc, please fill in my email ( on payment transaction:

MAYBANK:   106138055351       CHOI KIAN KEONG
PUBLIC:         4518425307             CHOI KIAN KEONG
CIMB:             7035912269            CHOI KIAN KEONG

p/s: After payment, please Whatsapp/SMS(016-9356455) payment(bank,amount,time,date), your name, your address,your, your order (18650 2200mah) .
Example: Maybank,RM90,10:35a.m, 30/8/14     CHOI KIAN KEONG (xx, Tmn INDAH, 27600 Raub,Pahang.)016-9356455 4S LiFePO4 protect board.


Technical Parameters:
Balanced current: 60mA (VCELL = 3.90V when)
Balanced for: 3.60 ± 0.05 V

Over-charged Protection: 3.85 ± 0.05 V

Over-discharged Protection: 2.1 ± 0.05 V

Over-charged delay: 1 ± 0.5S
Over-charged release: 3.80 ± 0.05 V
Over-discharged threshold: 1 ± 0.05 S
Over-discharged delay: 100 ± 50mS
Over-current Protecton: 100 A (120A pulse peak)

Operating Current: 60A

Static power consumption: less than 100uA

Short-circuit protection functiondisconnect the load from the recovery.

Size: 90mm * 50mm * 10mm

The main functions: Over-charged, Over-discharged protection, short circuit protectionover-current protectionwith Balancing function.



The board have balancing function. So you may see a balance connector with 4 wires, below chart shows how to connect the wires onto 4 batteries to realize balancing and protection.

  • The Positive output on Battery Pack (12V + )could connecting to charger positive pole (charger +)
  • Battery Pack (12V -) connecting with B- on board
  • Chip board P- connecting to Charger Negative Pole (charger -)
  • Chip board P- could be Negative output for charger, motor, controller
  • Battery B+ could be Positive output for charger, motor, controller




1,  The charging port and the discharge port of the board are the same Positive port.

    “B-“ for negative Pole of the battery pack, “P-“ is negative pole for both discharging and charging.


2,  “B-“ “P-“ welding pad are through-hole port, hole diameter of 3.5 mm; 

     You could use solder iron to weld the wires through the hole port

      Every charging port for battery are the DC needle seat forms output.

3,  First connect the “P-“ , “B-“ to the battery pack, then re-check with the battery voltages,

     Then connect the 4 wires onto the batteries, Do not connect in wrong ordering, or it will burn out the board.


If you made wrong connection and reverse the board that will cause smoke, please check with every wire to be sure you are doing correct connection. 

check all the wires voltage with orderly, start from B- , and see if it increasing from 3.2V, like:

( wires with voltage )

 1   -  2  -   3  -   4  

3V - 6V - 9V - 12V 





Check every voltage on the wire step by step before plug in the connector.  C


heck every wire and see if the orderly are correct. Because if any of the wire get a wrong order, it will get burnt. Smoke shows board already get burnt for protecting the battery being damage by wrong connection 

For DIY assembling. Please make sure you are capable to do the assembling before ordering! If you dont know how to do the connection, DONT ORDER IT!





  • The BMS only use for new and consistent high drain batteries. 
  • Do not use for battery packs that mix with new & half-used, or mix with different brand battery cells.
  • Do not use for used and imbalance battery cells.
  • Do not use for batteries with fake capacity.
  • Battery not including, the auction is for BMS only.
Auction Details
Auction Type : Auction
Start Price :RM 90.00 
Bid Increment :RM 1.00 
No of Bids :0 (View Current Bidder) 
Highest Bid :RM 0.00
Highest Bidder : 
Duration :1 day(s)
Start Date :9/23/2016 7:05:00 PM
Close Date :9/24/2016 7:05:00 PM
Time Left :Closed
Quantity :1
Item ID :183197157
View :6 times
Reserve Price :(No Reserve) ( what's this )
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Shipping & Payment 
Shipping Method :Courier Services,Self Collect 
Who Pays Shipping Cost:Buyer Pays  
Estimated Shipping Cost:
Peninsular Malaysia :RM 0
Sabah, Labuan :RM 0
Sarawak :RM 0
Item Location : RAUB / Pahang    View items from same state
Will Ship To: Within Malaysia
Payment Method: Internet Banking, Bank Transfer, Cash on Collection (COC)

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