ReviewsLow Concentration Battery

X-Sense SD03 10-Year Battery Smoke Detector Alarm ETL Listed Fire Alarm with Photoelectric Sensor Auto-Check & Silence Button

2 in 1 detector: It can be served as both Smoke detector and carbon monoxide detector alarm to detect the threat from these two harmful chemicals,Very....
Accurate ,Reliable,High Sensitive & Quick Responsive: Equipped with electrochemical CO sensors and photoelectric smoke sensor that work independently....
LCD Digital Displays&Widely Used:When the fire smoke alarm detects smoke fire or detectes concentration of carbon monoxide exceeding the standard....
Test Button: Malfunction and low battery warnings allow you to easily know the working status of the alarm.
Test button enables (silent mode)you to....
Quick,Easy Installation : Battery operated device Can be easily installed and maintained without the need for an electrician,Easy to mount on any wall....

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Freon Leak Detector Portable Refrigerant Leak Detector HVAC Halogen Leak Detector Compatible for CFCs HCFCs HFC R22, R134A Refrigerant, R410A Refrigerant, High Precision Indicator，HVAC Tools

...d ultra-low power consumption circuit design, the operation is more stable, and the battery is more durable..
【Halogen Leak Detector Has Reset Function & Auto Follow Circuit Function】 ①After the instrument is turned on, it can automatically adjust the circuit within 6 seconds to ignore the existing refrigerant concentration level of the probe and enter the detection state. ②In the detection state, the automatic circuit will follow the change of the halogen gas concentration in the environment to prevent false alarms..
【R134A Refrigerant Detector With Visual Indicator】 Audible and visual gas leakage indicators and dual battery indicator. Bi-Color indication for batter and voltage。 Leakage warning (when the leaking gas is found, the "di di" sound will become more rapid, the more leakage, the more rapid the "di di" sound. At the same time the indicator light flashes quickly).

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INKBIRDPLUS Indoor CO2 Detector, Air Quality Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, Indoor CO2 Monitor with Alarm, for Grow Tents, Wine Cellars, Homes, Cars(PTH-9C)

️️【PREMIUM DETECTOR】 This multifunctional air quality monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. It can help you understand indoor air quality at a glance..
⏰⏰【CO2 CONCENTRATION STAGE & SOUND ALARM】 This CO2 detector is designed with 3 stages of CO2 concentration—normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm). It will alarm you when the detected CO2 concentration is beyond the safe value you customized..
️️【CONVENIENT CALIBRATION】 To ensure the accuracy of measurement, this CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily. This CO2 detector uses the NDIR CO2 sensor..
【LONG BATTERY STANDBY】 A 2400 mAh lithium battery is embedded inside the indoorCO2 monitor, supporting a long time of continuous use, before it adopts a large and distinct LED screen for ease for temperature or data viewing. display based on your need..

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plplaaoo Coffee Densitometer, 350mAh Digital Coffee Density Detector Digital Moisture Meter, DFT‑F10V55H23 Coffee Concentration Refractometer Sugar Drinks Density Coffee Concentration Refractometer

【2 Second Speed Measurement】The measuring instrument can measure in 2 seconds, with high precision and fast speed. It can be started with one key, and the test can be done by dripping water, and the result can be displayed immediately and intuitively..
【Smart Instrument】The original biological networking small APP covers data analysis models, services, sharing and socializing and other multi-dimensional functions, and supports Bluetooth connection or mobile phone monitoring..
【Elaborate Design】Coffee concentration with range of 0‑26%, its accuracy is ±0.03% coffee TDS. The tester is waterproof and battery operated..
【Power Supply】The coffee concentration tester supports C-type intelligent fast charging, built-in 350mAh lithium battery, fast charging and easy to use..
【Stable Performance】The coffee densitometer achieves the best and stable performance through professional manufacturing and exquisite craftsmanship, with waterproof function, coffee concentration range is 0-26%, and accuracy is ±0.03% coffee TDS..

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EBL AA Rechargeable Batteries 2800mAh Ready2Charge Quality AA Batteries - 16 Counts

High capacity - No longer to worry about the endurance of the batteries, EBL 2800mAh will provide ultra strong power for your devices to performance well and operate longer..
1200 Tech, ProCyco (Professional recycle) helps maximize its best power performance while charging..
Supercell lattice - EBL batteries made in supercell lattice technology, make it more inner space to contain such high volume power juice, provide constant voltage and best performance in heavy load discharge..
Low self-discharge - Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so EBL batteries will holds 80% power after 3 years benefit from its concentration to low self-discharge project..
Safety assurance - Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure..

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EBL Rechargeable AAA Batteries (16-Counts) Ready2Charge 1100mAh Ni-MH Battery

ProCyco technology - extend lifespan up to 1200 cycles..
High capacity - No longer to worry about the endurance of the batteries, EBL 1100mAh AAA 1.2V batteries will provide ultra strong power for your devices to performance well and operate longer..
Supercell lattice - EBL batteries made in supercell lattice technology, make it more inner space to contain such high volume power juice, provide constant voltage and best performance in heavy load discharge..
Low self-discharge - Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so EBL batteries will holds 80% power after 3 years benefit from its concentration to low self-discharge project..
Safety assurance - Ni-MH friendly - envinronmental cell, doesnt contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure..

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EBL Rechargeable AA Batteries 2800mAh (4 Pack) and AAA Ni-MH Rechargeable Batteries 1100mAh (4 Pack) with 8-Bay AA AAA Individual Battery Charger

Packages: EBL AA rechargeable batteries 2800mAh (4 Packs) plus AAA rechargeable batteries (4 Packs) and come with a 8-Bay AA AAA smart charger.
Independent charging slot: It can random charge up to 8 batteries of Ni-MH AA AAA rechargeable batteries at the same time. One battery charged at one time is workable. When the battery is fully charged, it will automatically stop charging, and with LED indicator.
USB Input Design: USB Input with multiple Charging Options, is suitable for all kinds of 5V 2A Power supply, like power bank, adapter,（NOTE: Fit for 2.0A adapter only, DO NOT use 1.0A adapter）easy for daily use, more convenient..
High capacity batteries: No longer to worry about the endurance of the batteries, EBL 2800mAh 1.2V AA Batteries and AAA Batteries 1100mAh will provide ultra strong power for your devices to performance well and operate longer. EBL batteries will holds 80% power after 3 years benefit from its concentration to low self-discharge project..
Battery storage case: Batteries are packed with battery storage case, easy to storage batteries, very convenient for taking and travelling..

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ACEIRMC 5pcs MQ-3 MQ3 Alcohol Sensor Module Breath Gas Detector Ethanol Detection Module for Arduino Raspberry Pi ESP8266 MQ3 5V DC (MQ-3)

Sensitive material MQ-3 gas sensor is used in clean air low conductivity tin oxide (SnO2)..
When there is alcohol vapor in the environment sensor, conductivity sensor with increasing gas concentration of alcohol in the air increases.
Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal..
High MQ-3 gas sensor sensitivity to alcohol, can resist the interference of gasoline, smoke, water vapor..
The MQ-3 sensor can detect a variety of alcohol concentration in the atmosphere, is a low-cost sensor suitable for a variety of applications.

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X-Sense 10-Year Battery Smoke and Carbon Monoxide Alarm with Display, Dual Sensor Smoke CO Alarm, Auto-Check, SC01, Pack of 1

10-Year Battery Smoke and CO Detector: Provides 10 years of continuous power with built-in lithium batteries.
Combination Alarm with CO Readings: The informative LCD display clearly indicates real-time carbon monoxide (CO) levels in the surrounding air, as well as its battery level and working status.
2-in-1 Protection: The smoke and carbon monoxide detector is equipped with both photoelectric smoke sensor and electrochemical CO sensor that both detect smoke and dangerous CO levels.
Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm.
if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds.
Simple Installation: Requires no rewiring.
easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and anchor plugs.

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Taidacent Low Concentration Qualitative Detection MQ131 Ozone Sensor Module O3 Air Quality Monitoring

Mainly used for qualitative detection, suitable for home and environmental gas detection equipment, ozone gas detection, gas sensor test concentration....
The module has level signal output and alarm signal indicator.
The module is with analog signal output, voltage range: 0-5V.
The level signal output is effective at low level, which can drive PNP transistors and can also be connected to the IO port of the microcontroller.
The analog output voltage increases with the increase of ozone concentration, the higher the concentration, the higher the voltage.

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EBL AAAA Batteries, 1.2V 400mAh Ni-MH AAAA Rechargeable Batteries for Surface Pen, 4-Count

Reliable Quality - No longer to worry about the endurance of the batteries, EBL AAAA Batteries will provide ultra strong power for your devices to work well and operate longer..
Supercell Lattice - EBL batteries made in supercell lattice technology, make it more inner space to contain such high volume power juice, provide constant voltage and best performance in heavy load discharge..
ProCyco Technology - Extend lifespan 1200 Tech, up to 500 times deep charging & discharging cycles (others normal is 400 times) , high quality ensured..
Safety Assurance - Ni-MH eco-friendly cell, doesn’t contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure..
Low Self-discharge - Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so EBL batteries will holds 75% power after 3 years benefit from its concentration to low self-discharge project..

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