RC Hobby Battery Accessories from Hobby Lobby!

Measure and improve performance of your electric flight system!
MR601 Medusa Power Analyzer II ..... $ 62.90 AVAILABLE NOW MR601P Medusa Power Analyzer Plus II with USB Connection to Computer ..... $ 99.90 DISCONTINUED	Both: 4-1/16 x 2-3/16 x 15/16", about 4 oz. Measure your motor's and battery's Volts (to 60V), Amps (to 100A), Watts (up to 6000), Amp-Hours (up to 9.999AH), and Watt-Hours (up to 999.9WH). Plug in Power Analyzer between your battery and motor controller to measure your system's performance. Easy to use with good instructions. Power Analyzer PLUS II can be connected to your computer's USB port with the included interface. All of your tests can be saved and graphed on your computer. Track the changes in battery packs over time or optimize the prop and battery selection for your next plane. (Photo shows Power Analyzer II Plus. Units come without source and load connectors; order ones that match your systems.

Measure your electric drive system's performance with this meter!
AST101 AstroFlight Super Whatt Meter ..... $ 54.90 AVAILABLE NOW	4 x 2 x 7/8". Measures your motor's and battery's Volts (to 60V), Amps (to 100 A), Watts (up to 5,000), and NiCad Amp-hour Capacity (up to 9 Ah). Plug in Whatt Meter between your NiCad and motor controller to measure your system's performance. Easy to use: all information is displayed on the screen. No switches, knobs or user input required. It has two Astro connectors which you can use or replace with others.

Heat Shrink Tubing to cover battery packs
High temperature resistant heat shrink tubing for covering battery packs. 5 foot lengths. 1-3/4" size fits most small packs through 600 mAh capacity. 2-1/2" size fits most flat sub-C packs from 600 mAh to 2000 mAh. The larger sizes fit larger cells and "folded" packs. This tubing is stronger and resists burning better than many of the other tubings. Shrink with a heat gun.	BAT250 2-1/2" Heat Shrink, White, 5' ..... $ 4.50 AVAILABLE NOW BAT251 1-3/4" Heat Shrink, Yellow, 5' ..... $ 3.80 AVAILABLE NOW BAT252 3" Heat Shrink, Red, 5' ..... $ 4.80 AVAILABLE NOW BAT253 3-5/16" Heat Shrink, Red, 5' ..... $ 4.90 AVAILABLE NOW

For interconnecting NiCd & NiMH cells when you anticipate current flows above 35 Amps
	HLA99012 Copper Braid Interconnector ..... $ 6.90 AVAILABLE NOW 3/16" wide, 5 feet on the spool. Solder directly to nicad cells, or to their welded-on tabs for best, and lowest electrical resistance interconnecting. Make sure that you flow solder from this braid directly to the + or - end of the cells so that this braid electrically parallels the spot welded connections.

Solder for electric hook-up
	HLA99010 60/40 Rosin Core Solder ..... $ 2.75 AVAILABLE NOW
Learn to Solder Instructional Video