small button watch battery design for car key

Product Details

The SR521 silver oxide button battery is a non-rechargeable disposable battery, which is different from the voltage of the zinc air battery of 1.4V and the lithium button battery voltage of 3V. It has a voltage of 1.55V, a capacity of 11mAh, a diameter of 5.8mm and a thickness of 2.1mm.

SR521 silver oxide battery packaging
SR521 silver oxide battery detailed size
SR521 silver oxide battery detailed size discharge curve

Application Scope

The SR521sw silver oxide battery is a small, lightweight button battery that has almost the same voltage as an alkaline battery, so it can be used in many small electronic devices and watches.

SR521 silver oxide battery can be used in remote key
SR521 silver oxide battery can be used in digital watch
SR521 silver oxide battery can be used in Hearing aid

button watch battery description

It is our advanced watch button batteries that guarantees the great operation of button watch battery . It has stable voltage and excellent storage characteristics

CTECHi small button watch battery design for car key-1

CTECHi small button watch battery design for car key-2

button watch battery SPECIFICATIONS

Origin	CHINA GUANGDONG
Package	Industrial Package
Certificate	CE/RoHS/UN38.3/MSDS
Warranty	1 Years
Color	Sliver
MOQ	10 prices
Payment	L/C, D/A, D/P, T/T, Western Union, MoneyGram, OA
Brand	CTECHi
Weight	0.6g
Item	SR521SW 379 Sliver Oxide battery
Voltage Nominal	1.55V
Capacity Nominal	11mAh
Energy	0.024Wh
Dimension	5.8*2.1mm
Charge	NO
Operating Temperature	-20+60℃
Certification	CE, CCC, CQC, UL
Availability	OEM, ODM, OEM/ODM

It is very safe and reliable for all users. It can be supplied in both standardized and customized ways. The product is available in a variety of sizes and shapes.

CTECHi GROUP has focused on the battery industry for 14 years, offering specialized product customization services for different users.

CTECHi small button watch battery design for car key