Are these oem makita batteries or after market batteries with the makita brand logo on it, logo looks odd small in size?

I honestly had a similar concern when I purchased these, but I made a good gamble. these ARE without a doubt legitimate Makita Batteries. (I don't do after market) The label style tends to change ever so often, I think that is what accounts for the smaller label. I was quite pleased with my purchase of these batteries, work as well as all my other 5 amps do. best wishes.

Will the charger i use for my 3 amp makita batteries charge a 4 and 5 amp battery?

Yes, as far as know they are all compatible. I've been charging mine for the last couple weeks without any trouble.

Will the charger I use for my 3 amp makita batteries charge a 4 and 5 amp battery?

Yes. Works the same for all of them.

Is it worth to pay high price for makita battery instead of much cheaper alternatives?

That is something you have to answer yourself, I have always bought the Makita branded batteries and haven't had any problems. I also wait and look for good buys on the Makita branded accessaries

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BL1850B

Product ID: 19618323

Details

Battery Capacity
5 amp_hours
Battery Cell Composition
Lithium Ion
Brand
Makita
Number of Batteries
10 Lithium Ion
Recommended Uses For Product
Power Tool

⚡5.0Ah high-capacity power

⏱️45-min rapid full charge

❄️Reliable performance in -20°C

$445

Duties & taxes included

In stock

Sold byAmazon BarbadosDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your toolkit with Makita’s fastest, toughest 18V battery!

CHARGE FAST WORK FASTER - Reaches full charge in 45 minutes or less, minimizing downtime and maximizing productivity.
STAY INFORMED STAY READY - Integrated LED charge level indicator lets you monitor power status at a glance, avoiding unexpected shutdowns.
POWER THROUGH YOUR PROJECTS - Up to 65% more run time than previous models keeps you working longer without interruption.
BUILT FOR EXTREME CONDITIONS - Delivers consistent power even in freezing temperatures down to -4°F (-20°C), so winter won’t slow you down.
SMART PROTECTION FOR LONGEVITY - Star Protection Computer Controls guard against overloading, over-discharging, and overheating to extend battery life.

The Makita BL1850B 18V LXT Lithium-Ion 5.0Ah Battery offers industry-leading run time and rapid 45-minute charging, engineered with advanced Star Protection technology to safeguard battery health. Designed to perform reliably even in extreme cold, it features an LED charge indicator and impact-resistant casing, making it the ultimate power source for professional-grade cordless tools.

Specifications

ASIN	B015PVD9UQ
Amperage	5
Antenna Location	Power Tool
Battery Capacity	5 amp_hours
Battery Cell Composition	Lithium Ion
Battery Cell Type	Lithium Ion
Battery Weight	29 g
Best Sellers Rank	#32,357 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #244 in Cordless Tool Battery Packs
Brand	Makita
Compatible Phone Models	Makita LXT Series
Customer Reviews	4.8 out of 5 stars 4,691 Reviews
Global Trade Identification Number	00088381463911
Included Components	Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery
Item Dimensions	3 x 6.75 x 9.75 inches
Item Type Name	Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery
Item Weight	650 g
Manufacturer	Makita
Model Name	Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery
Model Number	BL1850B
Number of Batteries	10 Lithium Ion batteries required.
Recommended Uses For Product	Power Tool
Reusability	Rechargeable
UPC	618564687256 088381463911
Unit Count	1 Count
Voltage	18 volts
Warranty Description	Warranty

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