Battery Charge/Discharge Module Integrated Voltmeter Undervoltage/Overvoltage Protection Timing Charge/Discharge Communication

50pcs xl6009 boost step-up module power supply led voltmeter adjustable boost module integrated circuits

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1

5pcs 5v boost converter step-up power module lithium battery charging protection board led display usb for diy charger 134n3p

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-13%

5a overcurrent protection sensor module ac current sensor 12v relay for arduino

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4

-2%

470mhz 1000m si4432 wireless module 470m 433mhz wireless communication module

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-6%

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Pc817 4 channel optocoupler isolation board voltage converter adapter module 3.6-30v driver photoelectric isolated module pc 817

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-10%

Pc817 4 channel optocoupler isolation board voltage converter adapter module 3.6-30v driver photoelectric isolated module pc 817

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1

-0.9%

Xh-m608 battery charging and discharging module ,integrated voltmeter timing set up,under-voltage over voltage protection board

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-7%

3.6v high pressure generator module igniter 1.5a output voltage 20kv 20000v boost step up power module high voltage generator

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10pcs multifunction delay trigger timing chip module timer ic timing 2s - 1000h

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-10%

Multipoint communication control nrf24l01+ 2.4ghz antenna wireless transceiver module for arduino wireless transceiver module

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1

-3%

3.6v high pressure generator module igniter 1.5a output voltage 20kv 20000v boost step up power module high voltage generator

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-2%

Dc 5v 2.1a mobile power diy board 4.2v charge discharge boost battery protection indicator step up module 3.7v lithium 18650 diy

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Charging step up booster module dc 5v-12v to 9v/12v for 18650 lithium battery ups voltage protection converter charge discharge

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-5%

2a 5v charge discharge integrated module 3.7v/4.2v lithium battery charge boost mobile power plate filling discharge protection

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Dc-dc 5a led digit digital display step down charge module board digital control controller power supply voltmeter ammeter

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-7%

Dual usb 18650 battery charger pcb power module 5v 1a 2.1a mobile power bank accessories for phone diy led lcd module board

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1pcs/lot 3s 20a li-ion lithium battery 18650 charger pcb bms protection board for drill motor 12.6v lipo cell module 64x20x3.4mm

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-2%

Max7219 dot matrix module 8 dot matrix 2*4 display module mcu control driver module

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-8%

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5a dc-dc step up power module boost volt converter 3.3v-35v to 5v 6v 9v 12v 24v xl6019

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-29%

Automatic protection! 5a max dc-dc xl4005 step down buck power supply module adjustable cc/cv lithium charge board for arduino

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Dc buck step down converter module lm2596 voltage regulator + led voltmeter

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-3%

Dc 12v voltage detection relay charging discharge voltage monitor test relay switch control board module

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Tzt lm2596 dc 4.0~40 to 1.3-37v adjustable step-down power module + led voltmeter dc/dc

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2

10pcs dc buck step down converter module lm2596 voltage regulator + led voltmeter

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1pcs dc-dc high power low ripple 12a adjustable step-down module 95% efficient car power module

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-1%

New dc 1.8v 3v 5v 6v 12v 2a pwm motor speed controller low voltage motor speed controller pwm 0~100% adjustable drive module

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4s lithium battery protection board 20a 18650 battery bms protection 14.8v 16.8v cell module diy electronic pcb board

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1

5pcs tp4056 1a lithium battery charger module board charge protection control w/usb type-c protection

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1

1pcs power module adjustable mp1584en dc dc 3a power step-down descending output module 12 v9v5v3 lm2596 24v

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Hc05 hc-05 6 pin bluetooth serial pass-through module wireless serial communication with button for arduino

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-14%

Dc-dc boost power supply module converter booster step up circuit board 3v to 5v 1a highest efficiency 96%

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1

1pce 5s 10a li-ion lithium battery 18650 charger protection board 18.5v 21v cell short circuit protection

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-4%

1pcs fine 6-24v 12v/24v to 5v 3a car usb charger module dc buck step down converter 12v 5v power supply module

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Tc64 type-c color lcd usb voltmeter ammeter voltage current meter multimeter battery pd charge power bank usb tester

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-1%

New at24c256 24c256 i2c interface eeprom memory module for arduino

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5pcs 5v boost converter step-up power module lithium battery charging protection board led display usb for diy charger 134n3p

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-2%

Tec4056 18650 charger module 4.2v lithium battery charger for 18650 lithium battery charger non-protection board module

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-4%

New protection board battery charger module off discharger accessories discharge undervoltage overvoltage precision auto

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-0.8%

4s 4 serial series string 16.8v lithium battery protection board 14.8v / 16.8v for power tools drill straight electronic module

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-3%

Ad keyboard simulate five key module analog button for arduino sensor expansion board

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-6%

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Omnidirectional microphone module i2s interface inmp441 mems high precision low power ultra small volume for esp32

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-2%

Egq-63 ac220v 63a automatic reset device overvoltage over voltage and undervoltage under voltage protection device protector

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Nrf24l01+ wireless data transmission module 2.4g / the nrf24l01 upgrade version 2mbit/s nrf24l01 socket adapter plate board

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-42%

5pcs 5v usb hub usb2.0 usb 2.0 hub concentrator 4 female usb expansion board module short circuit protection current overload

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1pcs 16-channel 12-bit pwm/servo driver - i2c interface - pca9685 for raspberry pi diy servo shield module

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10pcs active single phase voltage transformer module ac output voltage sensor

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Touch switch capacitive sensor module 9v-24v 30w 3a led dimming control lamps active components three mode hard light controller

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