Note how thin these batteries are. Makes easy mounting to the side wall of any fuselage.

If you are one of those modelers who have stuck with the less reliable BECs because of your concerns over RX battery weight, your concerns are now over. These new 2100mAh, 20C, 6.6 volt  LiFe receiver batteries from Dymond Model Sports weigh in at only 3.8 oz. They measure 4-1/4” long, 2” tall,  only 3/8” thick and  represent the very latest is LiFe technology.  They  can be charged at the field in 10-15 minutes.

 Dymond Model Sports also offers LiFes to fit your transmitter that will last for weeks of flying without recharging. The battery can stay in the radio and can be charged with Dymond’s inexpensive  3 S automatic LiFe wall charger–only $ 9.95. The transmitter batteries do not have to be balanced, as the amp draw of the TX is very low and would not unbalance a battery. Visit Dymond’s website.

Above is the new Mad Dog 4-cell, 3300mAh, 35C.

The tech people at 2dogrc.com spent many months checking out various battery manufacturers before deciding on a supplier who fully met their tough requirements–a high-end battery that they could sell at low end prices. The result is Mad Dog, a series of batteries available from 2-cells up to 6 and mAh all the way up to 5100 and discharge rates from 20C to 35C with a charge rate of 3C. One of the demands 2dogrc.com placed on their supplier was that each pack must contain  synchronized cells, meaning matched internal resistance. 2dogrc.com has run over 300 tests on their  

New  Light-weight  LiFe Receiver Batteries from Dymond Model Sports

new Mad Dog packs and are willing to share the results with you. Just visit their website.