here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
Quick View
AJMRTC PW28 Dual Power Filter Power Amplifier Rectifier Board, High Current 25A Flat Bridge Unregulated Power Supply Module, AC to DC Dual Power Output for Audio Amp DIY Electronic Projects
Limited time offer, ends 11/25
- Model #: AJ-JY009
- $10.54 –
- Free Shipping
Quick View
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
Limited time offer, ends 11/25
- Model #: AJ-JY00294
- $10.54 –
- Free Shipping
Quick View
AJMRTC 4S 5A BMS Lithium Battery Protection Board, 14.8V 16.8V Same Port Charge Board for 14500 Li-ion Battery Pack, Overcharge Over-Discharge Protection DIY Power Projects
Limited time offer, ends 11/25
- Model #: AJ-JY00378
- $11.33 –
- Free Shipping
Quick View
AJMRTC 3S 12V 12.6V Lithium Battery Protection Board, 14A BMS Anti-overcharge Over-discharge Overcurrent Short Circuit Protection Module, Suitable for Sprayer, LED Light and 3-Cell Li-ion Battery Pack
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C2047
- $11.64 –
- Free Shipping
Quick View
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
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C255
- $12.89 –
- Free Shipping
Quick View
AJMRTC 100PCS 07D471K 7D471K Surface Mount Varistor, 470V SMD Metal Oxide Varistor, Voltage Surge Suppressor, Overvoltage Protection Chip for Power Supply & Circuit Protection Projects
Limited time offer, ends 11/25
- Model #: AJ-JY00674
- $13.76 –
- Free Shipping
Quick View
AJMRTC 2S 10A 7.4V Lithium Battery Protection Board 8.4V BMS with Balance Function, Overcharge Over Discharge Over Current Short Circuit Protection, for 2 Series Li-ion Battery Pack DIY Power Supply
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1863
- $10.56 –
- Free Shipping
Quick View
AJMRTC DC 6-40V Charger Control Switch Module, Undervoltage Overvoltage Protection Board, Auto Cut Off Disconnect Controller for Battery Charging Discharge Protection and Power Supply Monitoring
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1684
- $10.04 –
- Free Shipping
Quick View
AJMRTC 5S 15A BMS Board, High Reliability 18.5V Lithium Battery Protection PCB Module, 21V Max Charge Voltage, Overcharge Over-Discharge Over-Current Short Circuit Protection for 5S 18650 Li-ion
Limited time offer, ends 11/25
- Model #: AJ-JY00437
- $10.54 –
- Free Shipping
Quick View
AJMRTC 4S 30A Li-ion BMS Battery Protection Board 14.4V 14.8V 16.8V, 4 Series 18650 Lithium Charging PCB Module with Cell Balance, Overcharge Over-Discharge Short Circuit Protection for Power Tools
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1921
- $11.43 –
- Free Shipping
Quick View
AJMRTC XH-M609 Battery Protection Module, DC 12V-36V Precise Undervoltage Over-Discharge Protection Board, Low Voltage Cutoff Controller for Lithium Battery Pack Charging & Power Supply Monitoring
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1444
- $11.75 –
- Free Shipping
Quick View
AJMRTC 4S Lithium Battery Protection Board 30A High Current, 14.8V /16.8V Li-ion BMS Module, No Activation Needed Auto Recovery Overcharge Over-Discharge Short Circuit Protection for 4 Series Lithium
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1725
- $11.91 –
- Free Shipping
Quick View
AJMRTC 4 Series Lithium Battery Protection Board, 30A High Current BMS Module, No Activation Needed Auto Recovery, 14.8V /16.8V 4S Li-ion Battery Charge Discharge Protection Circuit Board for Battery
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1808
- $11.91 –
- Free Shipping
Quick View
AJMRTC 3 Pack 3S 12V 100A BMS Li-Ion Battery Protection Board with Balance Function, Lithium Charger Protection Module for 18650 Lithium Battery Pack
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C265
- $19.32 –
- Free Shipping
Quick View
AJMRTC 15A Ideal Diode Module Low Dropout Solar Anti-Reverse Current Protection Board DC3-28V, Prevent Charging Reverse Irrigation, Power Supply Anti-Backflow for Solar Panel, Battery Charging, DC Pow
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1864
- $11.55 –
- Free Shipping
Quick View
AJMRTC PW28 Dual Channel Rectifier Bridge Board, 25A High Current Flat Bridge Power Filter Module, AC to DC Dual Power Supply Filter Board, Unregulated Power Module for Hi-Fi Audio Amplifier, Stereo
Limited time offer, ends 11/25
- Model #: AJ-JY00107
- $14.28 –
- Free Shipping
Quick View
AJMRTC 5S 18.5V Li-ion Battery Protection Board, 15A/25A BMS Anti Overcharge Over-Discharge Board for 21V Solar Lighting Lithium Battery Pack, 5 Pack Lipo Battery Management Module
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1900
- $11.82 –
- Free Shipping
Quick View
AJMRTC DC 6-40V Charge Discharge Control Switch Module, Undervoltage Overvoltage Protection Board, Auto Cut Off Disconnect Controller for Battery Charging and Discharging Management
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1713
- $12.49 –
- Free Shipping
Quick View
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
Limited time offer, ends 11/25
- Model #: AJ-JY00614
- $13.33 –
- Free Shipping
Quick View
AJMRTC 2S Li-ion BMS Protection Board, 7.4V 2 Series Lithium Battery Charger Protection Module, 4A Overcharge Overdischarge Overcurrent Protection Board for 2-Cell Lithium Battery Pack DIY Power Proje
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1888
- $10.73 –
- Free Shipping
Quick View
AJMRTC Fast Switching Schottky Diode Kit, 8 Values 100pcs 1N4148 1N4007 1N5819 1N5399 1N5408 1N5822 FR107 FR207 Assorted Diodes for Electronic Circuit DIY & Repair
Limited time offer, ends 11/25
- Model #: AJ-JY00610
- $10.99 –
- Free Shipping
Quick View
AJMRTC 4S 8A BMS Protection Board, 4 Series Polymer Li-ion Lithium Charger Protection Module for 4Pcs 3.7V Lithium Battery, Overcharge Over-Discharge Short Circuit Protection for Battery Pack DIY
Limited time offer, ends 11/25
- Model #: AJ-JY00251
- $10.75 –
- Free Shipping
Quick View
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
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C441
- $11.16 –
- Free Shipping
Quick View
AJMRTC 5S 18/21V 20A Li-ion Battery Pack BMS Charging Protection Board, DIY Replacement PCB Circuit Board for Makita 18V Lithium Battery Pack, Overcharge Over-Discharge Short Circuit Protection
Limited time offer, ends 11/25
- Model #: AJ-JY00252
- $10.54 –
- Free Shipping
Quick View
AJMRTC AC-01 Triplex Embedded 3-Hole AC Power Socket Module, Built-in Indicator Light, ON/OFF Switch and Fuse Protection, 1Pcs Embedded Outlet for Electronic Cabinet DIY Projects
Limited time offer, ends 11/25
- Model #: AJ-JY00134
- $12.17 –
- Free Shipping
Quick View
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
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C687
- $10.28 –
- Free Shipping
Quick View
AJMRTC 5S Lithium Battery Charging Protection Board, 18V/18.5V/21V 20A 3MOS BMS Module, Overcharge Over-Discharge Short Circuit Protection for Li-Ion Battery Pack & Power Tools
Limited time offer, ends 11/25
- Model #: AJ-JY00102
- $10.54 –
- Free Shipping
Quick View
AJMRTC 4S 14.8V /16.8V 20A Peak Li-ion BMS PCM Battery Protection Board, Lithium Battery Management Module for LiCoO2 LiMn2O4 Cells, Overcharge Over-Discharge Short Circuit Protection
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1527
- $10.83 –
- Free Shipping
Quick View
AJMRTC 3S 8A Li-ion BMS PCB Protection Board, 11.1V 12.6V 3 Cell Lithium Battery PCM Module, Overcharge Over-Discharge Overcurrent Short Circuit Protection for 3S 12V Lithium Battery Pack
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1748
- $10.81 –
- Free Shipping
Quick View
AJMRTC 4S Lithium Battery Protection Board, 14.4V/16.8V 14A 2MOS Four Strings BMS Module, Overcharge Over Discharge Short Circuit Protection for Lithium Battery Pack DIY Projects
Limited time offer, ends 11/25
- Model #: AJ-JY00567
- $10.54 –
- Free Shipping
Quick View
AJMRTC BMS 10S 36V 15A Li-ion Battery Protection PCB Board, with Cell Balance Function, Overcharge Over Discharge Short Circuit Protection for 10 Series Lithium Battery Pack
Limited time offer, ends 11/25
- Model #: AJ-JY00344
- $10.54 –
- Free Shipping
Quick View
AJMRTC 10S 42V /15S Li-Polymer BMS Protection Board with Balance & Built-in Temperature Control, Lithium Battery Management Module, Multi Safety Protection for DIY Battery Pack Projects
Limited time offer, ends 11/25
- Model #: AJ-JY00523
- $10.54 –
- Free Shipping
Quick View
AJMRTC 4S 20A BMS Battery Protection Module, 4.35V Overcharge & 2.5V Over-discharge Protection, 5A Discharge with Cell Balancing, Lithium Battery Management Board for 4S Series Li-ion Battery Pack
Limited time offer, ends 11/25
- Model #: AJ-JY00574
- $10.54 –
- Free Shipping
Quick View
AJMRTC 1PCS 12V Undervoltage Protection Module, Voltage Undervoltage Auto Recovery Load Cutoff Protection Switch, Low Voltage Disconnect Controller for Battery Power System Monitoring
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C869
- $10.54 –
- Free Shipping
Quick View
AJMRTC 15A Ideal Diode Module, DC3-28V Low Dropout Virtual Diode, Anti-Reverse Current & Reverse Irrigation Protection Board for Solar Panel Charging, Battery Anti-Backflow Protection DIY Power Projec
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1799
- $11.55 –
- Free Shipping
Quick View
AJMRTC 3S 25A Li-ion Lithium BMS PCM Protection Board with Balance Function, 12.6V Lithium Lipo Battery Pack Management Module, Overcharge Over-Discharge Over-Current Short Circuit Protection
Limited time offer, ends 11/25
- Model #: AJM-C8JM0C1356
- $11.84 –
- Free Shipping