What is the difference between M18-48-11-1850 battery & M18-48-11-1852 battery?

I believe the one ending in “2” is a two pack of batteries. Other than that not sure. A tip for you/ only buy batteries that are Milwaukee brand- there’s lots of imitators and from what I read about them the quality is very suspect.

What is the manufactured date of the batteries as I have bought them before thinking they were brand new and they failed a month later past warranty?

Make sure you buy OEM not aftermarket as I have had a similar problem with nonmilwaukee batteries. All of my Milwaukee batteries have lasted for years. If they set a long time between usages it will shorten the life of the battery.

Does this specific battery offer 21,700 cells?

I think it has 5 x 18650 cells in them 18V 5.0ah

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🔋 Power Up Your Performance!

VALUE PACK - Includes two batteries for double the productivity.
DURABLE DESIGN - Built to withstand the rigors of any job site.
UNMATCHED POWER - Experience 20% more power for your toughest jobs.
EXTENDED RUNTIME - Get 2.5 times the operating time to keep you going longer.
VERSATILE COMPATIBILITY - Works seamlessly with over 60 M18 cordless tools.

The Milwaukee M18 REDLITHIUM XC 5 Ah Lithium-Ion Extended Capacity Battery (2-Pack) delivers best-in-class performance with 20% more power and 2.5 times the operating time, ensuring compatibility with over 60 M18 cordless tools for unmatched versatility and durability.

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Item Dimensions	5 x 3 x 6 inches
Item Weight	3 Pounds
Battery Weight	1.8 Pounds
Unit Count	2.0 Count
Battery Cell Type	Lithium Ion
Recommended Uses For Product	Power Tool
Reusability	Single Use
Battery Capacity	5
Amperage	5 Amps
Voltage	18 Volts
Compatible Phone Models	milwaukee 18v cordless tools

Milwaukee 48-11-1852 M18 REDLITHIUM XC 5 Ah Lithium-Ion Extended Capacity Battery (2-Pack)

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