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3.7V 4.2V 18650 Lithium Battery Charging Boost Power Board Protection 5V/2.4A Charge/Discharge Integrated Module 5pcs

$22^.99

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2 Pcs 200A High Precision Watt Meter Power Analyzer Battery Consumption Performance Monitor Amp Meter Monitor with Backlight Digital LCD Screen for RC Solar Voltage Current Power (100V)

$45^.99

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USB Tester USB Meter Tester Voltage Current Tester USB Battery Checker USB A Voltage Current Voltmeter Amp Volt Ammeter Detector USB Mobile Tester USB Cable Charger Detector LED Display

$25^.99

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Zkteco D100S Handheld Metal Detector Adjustable Sound & Vibration IP31 W/Battery

$79^.19

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AJMRTC 2Pcs 5S 20A BMS Battery Protection Board, 18V 21V Lithium Battery Charge Module with NTC Temperature Protection, DC Connector for Power Bank & Electric Power Tool Battery Pack

$12^.89

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AJMRTC 3 Pack 3S 12V 100A BMS Li-Ion Battery Protection Board with Balance Function, Lithium Charger Protection Module for 18650 Lithium Battery Pack

$19^.32

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AJMRTC 2 Pack 4S 12V 800A BMS Li-ion Lithium Battery Protection Board, PCB Charger Protection Module with Power Balance Function, Overcharge Over Discharge Short Circuit Protection for Lithium Battery

$19^.41

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AJMRTC 4S Lithium Battery Charge Discharge Protection Board, 14.8V / 16.8V 20A Current Limiting BMS Power Supply Module for 4 Series Li-ion Battery Pack

$11^.09

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AJMRTC 4S LiFePO4 Battery Protection Board, 12.8V 10A Lithium Iron Phosphate BMS Charger Module, Overcharge Over-Discharge Overcurrent Short Circuit Protection for Battery Pack Assembly DIY Projects

$10^.54

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AJMRTC Mini Type-C Lithium Battery Charger Protection Module, 3.7V 4.2V Li-ion Charging Board, Constant Current Constant Voltage Charger Module for 18650 Lithium Battery

$10^.28

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AJMRTC STJF 7S BMS Protection Board, 25.9V 29.4V Lithium Battery Management Module with Cell Balance, 15A Current Limit for 7 Series 18650 Li-ion Battery Pack Assembly

$13^.33

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AJMRTC 10Pcs 1S 3.7V 3A Li-ion BMS PCM Protection Board, Lithium Battery Charging Discharging Overcharge Over-discharge Overcurrent Short Circuit Protection Module for 18650 Lithium Ion Battery Pack

$11^.26

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Zkteco D100S Handheld Metal Detector Sound & Light Alarm with 9V Battery IP31

$79^.19

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AJMRTC 40Pcs CR2032 Button Coin Cell Battery Holder, 3V CR2032 Socket Case Cover with ON-OFF Switch, Coin Battery Storage Box with Lead Wires for Electronic DIY Projects, Sensors, Toys, Small Circuit

$14^.95

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AJMRTC LM2596HV DC-DC Adjustable Step Down Power Module, Constant Current Constant Voltage Lithium Polymer Battery Charging Regulator Board

$11^.34

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AJMRTC DC 5V 2A Mobile Power DIY Module, 3.7V Lithium Battery Charge Discharge Boost Protection Board with Power Indicator, 4.2V Charging Step-Up Converter Module for DIY Power Bank Electronic Project

$10^.54

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AJMRTC ZB2L3 Battery Capacity Tester, LED Digital Display Discharge Meter, Load Resistance Tester for Lithium Battery, Lead-Acid Battery, Power Bank, Battery Capacity Measurement & Discharge Testing

$13^.17

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AJMRTC 3S 10A BMS 11.1V 12.6V Lithium Battery Charger Protection Board Module for 3.7V 18650 Li-ion LiPo Cells, Overcharge Over-Discharge Overcurrent Short Circuit Protection for DIY 12V Battery Pack

$11^.16

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waveshare 1.54inch Color NFC E-Ink Display with Red, Yellow, Black, and White, 4 Colors, Battery-Free, Wireless Power & Image Refresh, Silver Border

$72^.99

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AJMRTC 5V 2A Mobile Power DIY Module, 3.7V Lithium Battery Charge Discharge Boost Protection Board with Power Indicator, 3.7V/4.2V Li-ion Charging Step-Up Power Bank Circuit Board

$10^.54

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Bisida BMS 4S 12.8V 50A Lifepo4 Battery Management System with Balance Wires and Temperature Sensor,Common Port for LFP Battery Pack

$50^.99

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CBB22 630V 104J 0.1uF 5% Electric Parts Polypropylene Film Capacitors 120pcs

$15^.99

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Variable Backlight USB Tester, LCD Display USB C & A Multi Meter, Voltmeter Amp Power Meter Battery Capacity Tester Internal Resistance Battery Level Indicator for Laptop Tablet Phone Power Bank

$36^.99

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1WR3 42mA-1W DC-DC DC 1500VDC Isolation Power Module 2Pcs with Sustainable Short-Circuit Protection (B0512S-1WR3)

$15^.06

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AJMRTC 1PCS 12V Undervoltage Protection Module, Voltage Undervoltage Auto Recovery Load Cutoff Protection Switch, Low Voltage Disconnect Controller for Battery Power System Monitoring

$10^.54

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PGYBMS Protection Board Polished Silver for Lithium Battery Packs 8S24S 40A150A Battery Management & Protection Module (PGY-157)

$89^.99

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PGYBMS Protection Board Polished Silver for Lithium Battery Packs 8S24S 40A150A Battery Management & Protection Module (PGY-157)

$113^.99

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AJMRTC XL6009 & LM2596S DC-DC Boost Buck Voltage Converter Module, Adjustable Step Up Step Down Power Supply Board, 1.25V-26V Input to 3.5V-28V Output 3A for Electronic DIY, Battery Power Conversion

$12^.16

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PGYBMS Protection Board Polished Silver for Lithium Battery Packs 8S24S 40A150A Battery Management & Protection Module (PGY-157)

$90^.99

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120W Mini Electronic Load Tester Constant Current Discharge Module | Battery Load Tester with Color Screen for Li-ion Capacity Data Monitoring

$61^.99

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LCR-P1 Transistor Tester, LCR Meter, Capacitor Tester, Auto Test | MOSFET/PNP/NPN, Diode/Zener, R/L/C & ESR Meter, SMD Adapter, NEC IR Remote Decode, Battery Test, USB-C Rechargeable

$60^.99

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Fluke T5-1000 Voltage Continuity Current Electrical Tester Multimeter 15B 17B

$316^.40

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LM115 Coin Digital Microscope with 5'' IPS Screen, 1080P Video | Coin Magnifier with 8 LED for Adults, 7.3" Metal Stand, Anti-Shake Portable USB Microscope Camera, 1800mAh Battery, PC View

$102^.99

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Voltage Amp Meter DC, Battery Monitor DC 0-300V 200A, Ammeter Voltmeter for Solar System Setup Power Energy Capacity Volt Current Detector Panel with Hall Sensor

$68^.99

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RC 200A Watt Meter Power Analyzer High Precision 200A Power Analyzer Battery Tester LCD Electric Analyzer Voltmeter Ammeter(200A)

$33^.99

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waveshare 2.7inch Passive-Powered E-Paper Module, Novel Passive NFC Technology, No Battery Required, No More Battery Life Trouble, Black and White Display Colors

$68^.99

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