Aussie Joe wrote:At my club that I fly at, battery holders for AA are prohibited because thay can cause a "high resistance" . The best way is to use a "welded/soldered Pack". I use the Turnigy LSD 2200mAh batteries solderd together TX and RX, thay have been used every week for over 2 years (weather permitting) with no problems form the Turnigys, just a bit more mAh then the eneloop (tested), easy to charge through the TX charge plug with any charger, no worrying about it catching on fire, no need for special storage charge (LIPO), no need to modify charger(LI FE). For me I find the nickel metal hydride AA packs (soldered) more convenient and stress-free to use.
Cheers joe
Typically I have found is three flaws; most people cannot solder well, solder stiffens the wire reducing vibration tolerance, and the heat caused by someone with poor skills will reduce the life of the battery (and the solder will make it difficult to replace)
YMMV, I soldered professionally for several decades
Eric.