About Payment 
 Shipping & Cost
 FAQ's
 Warranty/Return
 Battery SDS
 Battery Terminology
 Testimonials
 Battery Knowledge
 
Privacy Policy
 Export restrictions

 


Shopper Award
Security Verified Seal
 

Protection Circuit Module (PCB) for 11.1V Li-Ion (4A Limit) - For 18650/18500 3S1P battery pack (#3781)


Your Price: $6.50
Lead Time: 6-7 weeks

Product ID # 3781
Part Number:
PCM-LI3S4A

10 pcs minimum order

Quantity Discounts

QuantityAmount
5 to 20$6.30
21 to 50$6.17
51 to 100$6.04
101 or more$5.85
 Protection Circuit Board Specifications  For 11.1V Li-ion/Li-po Battery Pack 
Model: PCM-LI3S4A - Separated charge/discharge points
No. Test   item Criterion
1 Voltage Charging voltage DC: 12.6V CC/CV (4.2V/1cell)
Balance voltage for single cell N/A
2 Current Balance current for single cell N/A
Current consumption for single cell ≤50μA
Maximal continuous Charging current 4A
Maximal continuous discharging current 4A
3 Over charge Protection
(single cell)
Over charge detection voltage 4.325±0.025V
Over charge detection delay time 0.3S-2S
Over charge release voltage 4.15±0.05V
4 Over discharge protection
(single cell)
Over discharge detection voltage 2.40±0.08V
Over discharge detection delay time 300-2000mS
Over discharge release voltage 3.0±0.10V
5 Over current protection Over current detection voltage 150±25mV
Over current detection current 7.5±1.5A
Detection delay time   30ms-200ms
Release condition Cut load
6 Short protection Detection condition Exterior short circuit
Detection delay time 200-600us
Release condition Cut load
7 Resistance Protection  circuitry(B- TO P-) ≤50mΩ
8 Temperature Operating Temperature Range -40~+85℃
Storage Temperature Range -40~+125℃
9 Dimenstion LxWxT 50x16x3 mm
10 Specification in pdf file Download the specification  

 For other PCM/PCB, please check our PCM/PCB/BMS/CMB/UPS category

Warning

  • If you want to use this protection circuit board for a battery that is less than the rated drain, you must add additional protection device to protect the battery itself. Such as: proper rated polyswitch. 
  • You must be professional in Lithium battery pack to buy the protection circuit board. Misusing may cause battery damage or explode. We are not responsible for any damage caused by user.

Related Products

Product Reviews

(0 Ratings, 0 Reviews)
---------------------------
What to consider when designing Lithium Batteries?
---------------------------
Bluetooth Technology for Lithium-ion/LiFePO4 Batteries
---------------------------
UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
---------------------------
Lithium Battery Shipping Regulation
---------------------------
Recommendations on How to get ≤30% Rated Capacity for Shipping
---------------------------
Thermal Abuse Test for IEC62133
Mailing Lists