Are there 2 sets of leads coming off the battery? if so why? https://www.hobbyking.com/hobbyking/s...QR_W100S_.html
What is the difference in this battery? 9210000003 - Turnigy nano-tech 750mah 1S 35~70C Lipo .. https://www.hobbyking.com/hobbyking...s_Nine_Eagles_Solo_Pro_180_AR_Warehouse_.html
They're the same battery - read the descriptions. They just ship from different warehouses. You can pay the $3.21 and get is shipped from the US in a few days, or pay the $2.99 and get it shipped from overseas and wait a few weeks.
Edit: if you make an account with HobbyKing and sign in they will usually give you an option when adding to your cart which warehouse you want it shipped from. They just need to know where you live so they can show you which is closer. I think they now have two US warehouses, in addition to their overseas options. The US warehouses will cost you more, but you'll get it much quicker.
There are two sets of leads so buyers have options. The red lead is the JST connector which is what you'll use if you buy the JST connectors referenced in Jim's post above (also what I use). The white one is a Walkera connector and is commonly use in RC toys. Use the red one and ignore the white one, it's that easy.
The two sets of leads serve two different purposes, the white one is for a balance charging each cell, the red JST connector is for connection to the device the battery is to power. Anytime there are two or more (2S, 3S, etc) its highly recommended to use a balance type charger as it will extend the life of the battery, and charge the battery correctly and safely.
At a later date..... when ordering a new rocket unit, it comes matched to the old base. No need to ever change base, just the new units.
Missile works keeps a log/record of all sales & who bought them. When you buy a new unit, they match it to your existing base.
Got it? If not ask the question another way...maybe I'm not getting what you are asking.
No not side by side.[I couldn't do it]
I put one on each side of sled with Lipo's in front. Easily done.
Was it within a mm or so? Near miss, or not even close?
Will aluminum rods effect the transmission of the GPS?
Here is a list of all the things used during testing & final use, everything I ordered came from USA shipping address & was Ok'd by Missileworks.
Battery I use on base.7.4 volt No room inside, I just tape to exterior, it very large. The LCD and base use more juice.
https://www.hobbyking.com/hobbyking/store/__26564__Turnigy_1500mAh_2S_25C_Lipoly_Battery.html
Quick start guide says: Recommended is a 1-cell 750mAH Lipo [Turnigy Nano-tech @ HobbyKing]. Is the suggested battery for the Tx or Base? Micheal in post 262 says to go with a 2s in the base. Can someone suggest a 7.4V that DOES fit in the base?
Interesting that everyone seems to be using 2s lipos with their RTx hardware. During beta testing, we used the following batteries:
Rocket RTx - sparkfun 1s 850 mAh
Base RTx - sparkfun 1s 1000 mAh
We never had a problem with these batteries and they lasted for multiple flights and launch days without charging.
What I noticed when I used a 1S lipo for the base and LCD screen, the LCD screen was barely visible even on maximum contrast. With the 2s lipo, this is not an issue. It does not fit in the handheld case, but I will just strap it to the back.
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