LiPo Battery Checker for RC Cars, Boats, Airplanes or any LiPo powered device. NOTE:No Lipos are included in the sale. Just 1 Lipo checker n red or black. Designed to prevent discharging the battery below a set threshold.
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5.8G RX PORT 3.0 PLUS Receiver Digital To Analog Receiving Module With Low Voltage Alarm Component For DJI Fatshark FPV Goggles
Aliexpress UK
Lipo, Li-ion, LiMn, Li-Fe. Dont risk flying your model on depleted batteries! It is compatible with various scales, from 1:20 to 1:10, and is designed to work with Li-ion, Lipo, and Li-poly batteries.
eBay
Matek 5in1 V3 Power Distribution Board / PDB Hub With Dual BEC-5V/12V LED Controller Tracker Low Voltage Alarm for FPV
Aliexpress UK
Use for 1-8s Lipo / Li-ion / LiMn / Li-Fe battery. Compatible for 1-8S Lipo/ Li-ion/ LiMn/ Li-Fe battery. Straight pin. Alarm set value range: OFF-2.7V-3.8V. Test the working state of lithium battery.
eBay
DC8-30V 6-in-1 Digital Voltmeter Power Indicator USB3.0+Tpye-C Output Battery Level Tester Low Voltage Alarm
Aliexpress UK
Lipo Battery Voltage Tester / Low Voltage Buzzer Alarm 1-8S
eBay
1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester
Aliexpress UK
Alarm set value range:OFF~2.7~3.8V.
eBay
1S-8S 3-34V Lithium Battery Capacity Indicator Module Electric Vehicle Battery Power Tester Li-ion 1-8S Low Voltage Buzzer Alarm
Aliexpress UK
eBay
12V Accumulator Storage Battery Low Voltage Undervoltage Overcharge Discharge Sound Alarm Buzzer Detector Protection Board
Aliexpress UK
When it is lower than 3.0V, it will issue an alarm sound and light flashing. 1 x Module.
eBay
12V Voltage Wired Smoke Leak Fire Detector Alarm Sensor Stand Alone For Gsm Alarm System
Aliexpress UK
Use for: 1 - 8S Lipo battery detection. Supports reverse connection protection. Alarm set value range: off 2.7 ~ 3.8V.
eBay
12V Voltage Wired Smoke Leak Fire Detector Alarm Sensor Stand Alone For Gsm Alarm System
Aliexpress UK