Is it 20 batteries, or 40 ???? You say in your advertising it's 40, then you say 20. Which is it ???

20 batteries. The 40 count is $19.99

When were these batteries manufactured to determine shelf life, also is the shelf life 5 or 10 years the ad states both, which is it?

Different battery has different shelf life,this one is 10 years.Hope the answer could help you.

Is this battery interchangeable with a E90 battery?

I have only used N batteries in the clocks that require N size and I'am not sure about multi use with E90.

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

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PKCELL 5 Counts 1.5V LR1/MN9100/E90/N Size Alkaline Batteries, Leak-Proof Batteries, High Performance and Powerful Batteries, Suitable for All Kinds of Electronic Equipment

Product ID: 291462413

Details

Battery cell composition
Alkaline
Brand
PKCELL
Number of batteries
5 Nonstandard
Recommended uses for product
Calculator
Unit count
5.0 Count

⏳5-year shelf life

🔋1.5V stable power

🛡️Leak-proof & double-sealed

PKCELL 5 Counts 1.5V LR1/MN9100/E90/N Size Alkaline Batteries, Leak-Proof Batteries, High Performance and Powerful Batteries, Suitable for All Kinds of Electronic Equipment

Product ID: 291462413

Details

Battery cell composition
Alkaline
Brand
PKCELL
Number of batteries
5 Nonstandard
Recommended uses for product
Calculator
Unit count
5.0 Count

⏳5-year shelf life

🔋1.5V stable power

🛡️Leak-proof & double-sealed

Description

🔋 Power up your essentials with leak-proof confidence!

LONG SHELF LIFE - Up to 5 years of standby power means these batteries are ready when you are—no last-minute panic.
RELIABLE POWER BOOST - Cutting-edge alkaline tech delivers consistent 1.5V for all your essential gadgets.
ECO CONSCIOUS CLEAN - Free from chromium, lead, and mercury—safe for you and the planet.
LEAK PROOF SAFETY SEAL - Double-sealed design ensures zero leaks, protecting your devices and peace of mind.
VERSATILE COMPATIBILITY - Perfect fit for laser pointers, Bluetooth headsets, car key chains, toys, calculators, and more.

PKCELL 5-count N size alkaline batteries provide reliable 1.5V power with advanced leak-proof technology and a 5-year shelf life. Designed for small electronics like laser pointers, toys, and calculators, these eco-friendly batteries ensure stable voltage and safety without harmful heavy metals.

Specifications

ASIN	B010PMRJ7E
Antenna Location	Calculator, Toys
Battery Cell Type	Alkaline
Brand	PKCELL
Customer Reviews	4.6 4.6 out of 5 stars (2,293)
Manufacturer	PKCELL
Model Name	LR1
Model Number	LR1
Number of Batteries	5 Nonstandard Battery batteries required.
Reusability	Single Use
Unit Count	5.0 Count
Voltage	1.5 Volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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