Top Rtc Battery Reviews

Major Brands 8085A Microprocessor Unit, CISC, 8-Bit, HMOS, 3MHz, 40-Pin, CDIP, 15.37 mm W x 4.95 mm H x 52.96 mm L (Pack of 2)

AITIAO RTC clock module temperature range: -40 ° C to +85 ° C,the precision of digital temperature sensor is ±3°C.
the timing accuracy kept at ± 5ppm (± 0.432 sec / day).
AITIAO DS3231 High Precision RTC Clock Memory Module are CONVENIENT TO USE，because itself can be adapted to 3.3 V and 5 V system, no level conversion, it is super convenient.
Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing, provide valid until the year 2100 leap year.
Package Includes: 4Pcs DS3231 High Precision RTC Real Time Clock Module (battery are included).

Memory Card Interface Works With Fat16 Or Fat32 Formatted Cards.For Duemilanove,For Diecimila, Or Adk/Mega R3 Or Higher.Not Supported For Adk/Mega R2 Or Lower..
Included Libraries And Example Code For Both Card And Rtc Mean You Can Get Going Quickly Prototyping Area For Soldering Connectors,Circuitry Or Sensors..
3.3V Regulator Is Both A Reliable Reference Voltage And Also Reliably Runs Memory Cards That Require A Lot Of Power To Run..
Real Time Clock (Rtc) Keeps The Time Going Even When Unplugged. The Battery Backup Lasts For Years..
3.3V Level Shifter Circuitry Prevents Damage To Your Memory Card..

DS3231 16-pin memory chips - AT24C32 ,extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line..
Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus..
Highly accurate RTC completely manages all timekeeping functions.The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping..
A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output. In addition, RST pin is monitored as generating a μP reset..

BZBYCZH CMOS Battery Compatible for Dell Latitude E6400 ATG CMOS Battery BIOS RTC.
Warranty: We will provide a 90-day warranty period..
Please note: This is the battery on the motherboard of the laptop, a small battery. Not a laptop battery..
We will test it before shipping. We will pack it well. Use a very hard box with a lot of air plastic inside the box..

BZBYCZH CMOS Battery Compatible for Dell Latitude E6400 Roush E6500 FX191 GC02000KH00 CMOS Battery BIOS RTC.
Warranty: We will provide a 90-day warranty period..
Please note: This is the battery on the motherboard of the laptop, a small battery. Not a laptop battery..
We will test it before shipping. We will pack it well. Use a very hard box with a lot of air plastic inside the box..

BZBYCZH CMOS Battery Compatible for Dell Latitude E6400 Precision M2400 M4500 GC02000H000 CMOS Battery BIOS RTC.
Warranty: We will provide a 90-day warranty period..
Please note: This is the battery on the motherboard of the laptop, a small battery. Not a laptop battery..
We will test it before shipping. We will pack it well. Use a very hard box with a lot of air plastic inside the box..

The LG A7RTC spark plug is one of our best selling plugs, and it is used on many classic scooter engines such as the Baja Sun City 50, as well as many other KYMCO, and Baccio scooters, motorcycles, and motorbikes..
This is a compatible replacement part for NGK's A7RTC and C7HSA spark plugs as well as Torch A7RTC spark plugs..
Thread: 10mm. Reach: 1/2" (12.7 mm). Heat: 7 (medium)..

Notes: this is CMOS Battery BIOS RTC Battery. (used for laptop motherboard).
Compatible Model Numbers: For Germany VARTA 4.8V500MAH 4/V500HT with plug model remote controlcar battery.
Replacement and high quality, replaces your faulty, cracked or broken CMOS battery..
Each CMOS battery is tested before shipment..

3.6 V D Size Lithium Battery ER34615 19000 mAh Li SOCL2 Battery,Can't replaced the 1.5V 1.2V Battery.
(Pay attention: they can't contact the power when you use the batteries)Long shelf life: at least 10 years.
Superior operation in low and high temperature environments(-55 to +85 degree)..
Battery Height: 2.42 inch； Diameter:1.33 inch.
Work for Orbita Sparta watch winder, Memory backup: E.L.T(Emergency Locator Transmitter) CMOS memory, RTC(real time clock) and computer backup.

DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year..
The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format..
Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus..
The device integrates a very precise digital temperature sensor, On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply..

BZBYCZH CMOS Battery Compatible for Dell Latitude E6400 Precision M2400 M4500 23.25005.001 CMOS Battery BIOS RTC.
Warranty: We will provide a 90-day warranty period..
Please note: This is the battery on the motherboard of the laptop, a small battery. Not a laptop battery..
We will test it before shipping. We will pack it well. Use a very hard box with a lot of air plastic inside the box..

HIGH-QUALITY BATTERY: Made from Nickel Metal Hydride (NiMH), this battery features a voltage of 1.2V and amperage of 510mAh. It's designed for use in....
MULTIPURPOSE BATTERIES: It measures 0.94" L x 1.33" W x 0.24" H. It boasts 1.2V and 510mAh and can be used in many different devices: RTC, MBU, Backup....
CROSS-REFERENCE: Before ordering this battery backup, be sure to check that the product is compatible with the battery's chemistry, size, amperage,....
REPLACEMENT BATTERIES: This backup battery is great for household uses, industrial tools, and many more applications. Add to your electronic supplies....

ER34615 3.6v Lithium Battery 19000mAh (Non-rechargeable batteries,They can't contact the power when you use the batteries,also can't instead of the 1.2V,1.5V Battery ).
(Pay attention: they can't contact the power when you use the batteries)Long shelf life: at least 10 years.
Superior operation in low and high temperature environments(-55 to +85 degree)..
Battery Height: 2.42 inch； Diameter:1.33 inch.
Work for Orbita Sparta watch winder, Memory backup: E.L.T(Emergency Locator Transmitter) CMOS memory, RTC(real time clock) and computer backup.