Can I use 9.6v batteries for RCX or any PF devices?

[mikezang]

Maybe you heard there are some new rechargeable batteries as below:

http://www.amazon.com/Soshine-LiFePO4-700mAh-Rechargeable-Batteries/dp/B00Z07RKWO/ref=sr_1_6?s=photo&ie=UTF8&qid=1449915598&sr=1-6&keywords=14500+3.2v+battery

I want to use three such batteries with three dummy batteries in 9.6v for RCX or any PF devices, does this have any problems?

[2LegoOrNot2Lego...]

Good question, and I wonder the same, but I would not have an answer...

[Victor Imaginator]

9.6V should be fine, less than 10% more normal batteries.

[TheNextLegoDesinger]

this may be a to strong current: Normall alkali batteries are 1.5, so a batterybox with alkali batteries would be 9V

With these it would be 9.6V, only way to know this is to test it

[mikezang]

Though I know AFOL in China use it for technic with PF motors, he modified LEGO office battery 8881 and let it be a rechargeable battery.

[Philo]

I don't think there could be any problem with these batteries. Found this test of a similar product http://www.candlepowerforums.com/vb/showthread.php?380867-Test-Review-of-Coolook-14500-LiFePO4-700mAh-%28Black%29 Discharge curves show that even at startup time voltage is not much above 3.2V. Hight current handling is impressive (though mostly useless with LEGO current-limited battery boxes), but capacity is not outstanding,..

[mikezang]

  On 12/12/2015 at 10:48 AM, Philo said:

I don't think there could be any problem with these batteries. Found this test of a similar product http://www.candlepow...-700mAh-(Black) Discharge curves show that even at startup time voltage is not much above 3.2V. Hight current handling is impressive (though mostly useless with LEGO current-limited battery boxes), but capacity is not outstanding,..

I think this one has enough capacity http://www.aliexpress.com/store/product/High-Capacity-LITELONG-AA-1200mah-14500-3-2v-lifepo4-Rechargeable-Battery-Consumer-Battery-Free-Shipping-4pcs/816574_1302272496.html

[mikezang]

China AFOL did as below:

[zux]

That's pretty brutal

[Technic Jim]

I was wondering the same thing but with six 1.6V rechargeable batteries and no dummy batteries.