Is it suitable surface Pro pen 3 ???

Yes, I purchased these for my Surface Pro 3. Two of these button cells are used for the top button to communicate via bluetooth to start OneNote. I have not had to replace these batteries yet,as the originals are still working fine. For the actual pen function an AAAA is used. Likewise I have not needed to replace the original AAAA yet and I've had my Surface Pro 3 for almost a year. Enjoy your Surface Pro 3 :)

Will they fit my Lenovo Active 2 pen??

Lenovo's lit says this is the battery for that pen

Is there an expiry date for the validity of the battery and how much the period

Yes there is a good till date on them and usually about a year

Battery ag4 code is on the battery is that 319

a size 377 battery is the equivalent of a SR626SW battery, which is also the same is a AG4 / SG4 battery.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Energizer Batteries 319 (SR527SW) Silver Oxide Watch Battery. On Tear Strip (Pack of 5)

Product ID: 16576684

Details

Battery Capacity
2200
Battery Cell Composition
Silver Oxide
Brand
Energizer
Number of Batteries
5 Product
Recommended Uses For Product
Calculators

⚡1.55V Silver Oxide Power

🔋Pack of 5 for Extended Use

⏱️2200mAh Long-lasting Capacity

¥2466

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⏳ Power your precision moments with Energizer’s unstoppable silver oxide cells!

READY WHEN YOU ARE - Pack of 5 batteries with tear strip packaging for easy access and on-the-go convenience.
TRUSTED GLOBAL LEADER - Energizer’s renowned quality guarantees dependable power for your critical small electronics.
ENDURANCE THAT KEEPS UP - High 2200mAh capacity ensures long-lasting performance without frequent replacements.
VERSATILE COMPATIBILITY - Perfect for watches, calculators, glucose monitors, and keyless remotes—one battery fits all.
PRECISION POWER FOR YOUR ESSENTIALS - Reliable 1.55V output keeps your watches and devices ticking flawlessly.

Energizer 319 Silver Oxide Watch Batteries deliver consistent 1.55V power with a robust 2200mAh capacity, ideal for watches, health devices, calculators, and keyless remotes. This pack of 5 batteries features easy tear-strip packaging and comes from a trusted global leader in small electronics power solutions, ensuring your essential devices stay reliably powered longer.

Specifications

ASIN	B00I9KXRQM
Amperage	5 A
Antenna Location	Calculators,Camera,Watch,Watches
Battery Capacity	2200 milliampere_hour
Battery Cell Type	Silver Oxide
Battery Weight	2 g
Best Sellers Rank	#56,433 in Health & Household ( See Top 100 in Health & Household ) #359 in Coin & Button Cell Batteries
Brand	Energizer
Compatible Phone Models	calculators
Customer Reviews	4.6 4.6 out of 5 stars (1,501)
Item Weight	2 g
Manufacturer	Energizer Batteries
Model Name	Watch battery
Model Number	4332774969
Number of Batteries	5 Product Specific batteries required. (included)
Reusability	Single Use
UPC	039800091918 762022255386
Unit Count	5 Count
Voltage	1.55 volts

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