ProTek RC LiFe 4PK/4PX Car Transmitter Battery Pack (6.6V/2100mAh)
[PTK-LF-CTXF2100-2S]

Average rating: 5 of 5 Stars!

ProTek RC LiFe 4PK/4PX Car Transmitter Battery Pack (6.6V/2100mAh)
Displaying 1 to 6 (of 6 reviews) Result Pages:  1 
Mark Stewart - Rating: 5 of 5 Stars! Monday, March 21, 2011
If you are looking for a good battery for your 4pk then look no further! For a weekend racer like me you might only have to charge this thing 1 or 2 times a season. I put almost 10 hours on my transmitter before charging it and only put 850mah back in. Great battery and great price!
3 of 3 customers found this review helpful.
Jake - Rating: 5 of 5 Stars! Verified Owner Saturday, January 26, 2013
I a using it in my radiopost ts401 since there bigbang life is no longer being made. It fits perfectly, same size as stock battery. Just make sure to change low voltage cutoff
2 of 2 customers found this review helpful.
Coco - Rating: 5 of 5 Stars! Verified Owner Friday, April 29, 2011
If you have a 4pk or 4pkS and your in a grueling mains this is the battery you need!! makes ur radio 15% lighter and it will last 50% longer!!
2 of 3 customers found this review helpful.
Robert D - Rating: 5 of 5 Stars! Verified Owner Friday, January 30, 2015
Got one for my futaba 4px has worked great so far have used it for 6 hours straight and hasn't moved between 6.5 and 6.4 im new to this type of battery and almost sent it back. After i charged it to 7.2v i unplugged it and voltage dropped to 7.1 then 7.0v i put it in my radio set the battery option for the life battery in my radio. And noticed the voltage kept dropping. I looked around on the net didn't notice much info about this. The voltage dropped down to 6.5v after about 5 minutes. I contac[More…]
Jordan Anderson - Rating: 5 of 5 Stars! Tuesday, December 09, 2014
Works great. Lasts long. Fits in the radio perfectly and it's lighter than the stock NiMh pack.
donald rodriguez - Rating: 5 of 5 Stars! Verified Owner Monday, February 04, 2013
Perfect battery for your 4PKS much lighter then stock and last many hours between chargers.
Displaying 1 to 6 (of 6 reviews) Result Pages:  1 
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