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BMS 2S Balanced Charger for 2 x 3.7V Lithium batteries with protection

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Details

Item Number
BMS2S
Item Condition
New
Price
£3.00 (inc VAT £3.60)

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Quantity


  • 8 Pin Standard IC Socket

    8 Pin Standard IC Socket

    IC Socket Standard 8 pin

    SDL8
    £0.10
  • 10uF 250V  Radial 105 deg Capacitor

    10uF 250V Radial 105 deg Capacitor

    10uF 250V Radial Electrolytic 105C High Temperature, Low Leakage, Tol ±20%

    10H250
    £0.50
  • Red Top Push to Make Miiniature Switch

    Red Top Push to Make Miiniature Switch

    Miniature Push to Make, Release to Break Switch

    125VAC 500mA, With 2 Solder Tags.

    Dimensions 27.5mm long, 9.7mm diameter. 7mm nut.

    Red Button

    PTM1R
    £0.39
  • DC Panel Socket for 2.1mm Plugs

    DC Panel Socket for 2.1mm Plugs

    DC Chassis Socket 2.1mm

    Single nut fitting for DC Plugs such as our ROCA & ROCB

    ROCN
    £1.50
  • 18650 Luxform Lithium Ion LI-ION Rechargeable 3.7V Battery

    18650 Luxform Lithium Ion LI-ION Rechargeable 3.7V Battery

    Luxform 18650 Lithium-ion "LI-ION" Rechargeable Battery 3.7V 2000mAH

    Dimensions: 18mm x 65mm

    Many uses inc: Smart devices, Cordless tools, Video doorbells, Cameras, Games, Players, Shavers, Toothbrushes, E-cigarettes, Vaping, Vaporizers, Remote devices. Torches, Toys, Medical devices, Flashlights, Videophones, Test equipment,  Portable equipment... etc etc....

     

     

     

     

    18650
    £4.50
  • Single 18650 Battery Holder with Wires

    Single 18650 Battery Holder with Wires

    Battery Holder for 1 x 18650 Battery.

    150mm Insulated Wires

     

    BH18650
    £1.75
  • Buck Converter DC-DC Step Up 2A Voltage regulator

    Buck Converter DC-DC Step Up 2A Voltage regulator

    2A DC-DC Step Up Voltage Regulator (Buck Converter)

     
    This tiny step up voltage regulator uses high frequency switching to make a very efficient DC-DC converter. It can take from 2V to 24VDC in and step it up to a higher voltage upto a maximum of 28V at up to 2A (output). The voltage is set with the small multi turn potentiometer.
     
    Voltage in : 2V - 24VDC
    Voltage out : 2.5V- 28VDC
    Maximum Output Current : 2A
    Dimensions : 36mm x 17mm
    BCU2A
    £2.50
  • Double 18650 Battery Holder with Wires

    Double 18650 Battery Holder with Wires

    Battery Holder for 2 x 18650 Battery.

    150mm Insulated Wires

     

    BH186502
    £2.25
  • Digital Panel Meter for Voltage and Current 0-100VDC 0-10ADC

    Digital Panel Meter for Voltage and Current 0-100VDC 0-10ADC

    Dual Display Panel Meter, 0-100VDC and 0-10ADC 

     
    This handy compact panel meter will display the voltage and current clearly. It is ideal for a bench power supply or any project that requires accurate voltage and or current measurement. The meter can either be powered from the supply it is measuring if it is between 4.5-30VDC or from an independant power source.
     
    Voltage Measurment : 0 - 100VDC
    Current Measurment : 0 - 10ADC
    Working Voltage : 4.5 - 30VDC
    Dimensions : (W)48mm x (H)29mm x (D)22mm
     
    Connetions
    Red (Thick) - Voltage in for Current Measurment
    Black (Thick) - Voltage out for Current Measurment
    Red (Thin) - Supply Positive 4.5-30VDC (connect to voltage to be measured if not using a seperate supply)
    Black (Thin) - Supply Ground (Do not connect if not using a seperate supply)
    Yellow (Thin) - Voltage to be Measured 0-100VDC
    DPM
    £5.50

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2S Balanced BMS (Battery Management System) for use with 2 x 3.7v Lithium batteries

 
This BMS is designed to charge and manage the use of 2 lithium batteries. It will manage the balanced charging when used with an apropriate constant current power supply for the battery. It will also protect the battery from both over voltage and under voltage. It also features over current and short circuit protection.
 

This BMS will balance charge 2 lithium batteries like 18650 or 26650 or can charge multiple pairs in paralel for higher capacity/current uses. It will also balance charge 2S LiPo (Lithium Polymer) battery packs.   

 
A constant voltage/current power source is needed to properly use this BMS like the BCD5A or BCD9A

 

Voltage in : 8.4V - 9VDC
Over Voltage Protection : 4.2VDC per cell
Under Voltage Protection : 2.75VDC per cell
Maximum Charging Current : 10A
Maximum Discharging Current : 20A
Over Current Protection : 20A
Dimensions : 48mm x 20mm

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