can I use a 2000 mah nimh battery?

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Accepted Answer

Dear customer.

Good late evening from Japan. This is Atsukiya and thank you for sending us your question 
about "Tamiya Fullcowl Mini 4WD Series No. 44 Beat Magnum Premium AR Chassis 19444…".
I checked web site of Tamiya for the nimh battery. The mAh of NiMH battery recommended 
to use for their cars says Min. 950 mAh only. 
  Then I also found following comment on web site which answering for someone who questioning 
why the Tamiya Neo Champ is NiMH battery even though they prohibited to use it for their car.
This person also mentioned his motor got burned after few runs. 
"The reason why the use of nickel-metal hydride batteries was prohibited was that the capacity of 
the initial nickel-metal hydride batteries was large, and when the tires were locked, there was a risk 
of heat generation up to high frequencies. Tamiya's Neo Champ has a small capacity, so you can use it."

From what I checked, the 2000mAh battery is too large for Tamiya cars and not recommended.

Hope this answers to your question.  Have a nice day.

Atsukiya

ASIN	B07Y38JN4H
Additional Features	Portable
Age Range Description	Kid
Are Batteries Required	Yes
Batteries are Included	No
Battery Description	Alkaline
Best Sellers Rank	#109,841 in Toys & Games ( See Top 100 in Toys & Games ) #399 in Hobby RC Cars
Brand Name	TAMIYA
Color	Multicolour
Customer Reviews	4.6 out of 5 stars 271 Reviews
Educational Objective	Develop fine motor skills, problem-solving, and mechanical understanding through assembly and customization; foster sportsmanship and strategic thinking through competition.
Global Trade Identification Number	04950344194445
Included Components	Battery, Remote
Indoor Outdoor Usage	Indoor
Is Assembly Required	Yes
Item Dimensions	6.1 x 3.82 x 1.85 inches
Item Weight	13.61 g
Manufacturer	TAMIYA
Manufacturer Maximum Age (MONTHS)	480
Manufacturer Minimum Age (MONTHS)	168.00
Manufacturer Part Number	19444-000
Material Type	Acrylonitrile Butadiene Styrene,Resin
Model Name	Beat-Magnum
Model Number	19444-000
Model Year	2015
Number of Items	1
Number of Players	1
Operation Mode	Remote Control
Power Source	Battery Powered
Set Name	Fully Cowled Mini 4WD Series No. 44
Size	Small
Subject Character	Go Seiba
Theme	Vehicles
Toy Vehicle Form	Car
Unit Count	1.0 Count

Fullcowl Mini 4WD Series No. 44 Beat Magnum Premium AR Chassis 19444

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