To 5 Amps: |
Ultra light micro connectors |
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Tiny 3/32 x 3/16" plastic body, 15/32" overall length, weight only 0.01 gram each. Reliable connections as pins can't loosen like others. Pack of 5 polarized connectors. |
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To 10 Amps: |
Deans Connectors - excellent for electric Slowflyers |

Tiny, light, reliable. Tighten the female connectors occasionally by inserting a pin in the outside of their sockets to force the two jaws together.
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The connectors used on micro helicopters |
BAT229 on left, BAT228 on right
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Plug & Fly connectors for SPEED 400 |
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To 20 Amps: |
Tiny Polarized connectors for SPEED 400 use |
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One Polarized Connector set consists of: 1 plastic holder with a single male and single female connector. Example: To connect a nicad pack to a battery charger you need 2 Polarized Connectors. Gold plated connectors. Tiny: the male connector is .86" long. The red plastic polarized holder is .98" long. One Polarized Connector set weighs 1.81 grams. HLFK4004 is same as HLFK4003 but have yellow plastic polarized holders.
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To 35 Amps: |
Powerpole Connectors! |
1" long. Pack of 2 Red, 2 Black. Neither male nor female but universal.
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The plastic bodies join together in a variety of ways for polarization purposes. Solder your wires into the big 1/8" ID hole in the silver-plated contact. Reasons to use Powerpole Connectors: (1) Resistance of the mated connectors is very low (this prevents loss of power). (2) Large high capacity wires easily fit into the holes in the pins. |
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40 Amps and Higher: |
Deans Polarized Ultra Plug |

Male and Female connectors with shrink tubing. Highly efficient, small, lightweight, high-power connector.
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Gold Stecker connectors with polarized housings |
(Similar to photo) |
Will take huge wire up to 4.7mm OD or 4mm sq.. For 40 Amp constant current and much higher short term current. |
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Jeti's Gold Plated Brushless Connectors |
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1/2" long, 3.5mm diameter. This is the same connector that comes on our Jeti 30-3P and larger controllers. Works well up to 70 amps very low resistance. |
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Astro Zero Loss high amp connectors |
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Good for up to 50 amps continuous, bursts to 75 amps. Fits wire to 13 gauge. Weight 10g./pair. |
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3 sizes of Gold single pin connectors |
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| 3 male and 3 female in each package, with insulating heat-shrink tubing. These are primarily for the hookup of the 3 leads of brushless motors, but also fine for battery and charger leads. We estimate that these will handle currents of 10, 25, and 40 Amps respectively. The 3 sizes fit 18, 16, and 14 Ga. wire respectively. |
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Heat shrink tubing for electrical connections |
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1/16, 3/32, 1/8" diameter tube shrink when soldering iron is touched to them. Strengthens and insulates wire connections. |
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Solder for electric hook-up |
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Banana plugs for charger connections |
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Banana plugs for electrical connections to most chargers and field box power panels, 1 red, 1 black. |
Pre-Wired Connectors |
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The charging leads and motor hookup wires shown below have Deans Ultra, MPJet, JST, or SPEED 400 Connectors soldered in place on them. This saves you soldering time and also helps you to make correct connections when youre hooking up or charging your system. |
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Deans Ultra Plug leads |
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Connect multiple Lithium packs to increase voltage, capacity or amperage |
Parallel Module with
genuine Deans Ultra Plugs
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Plug up to 4 Lithium packs into a parallel connector to increase the capacity. The output capacity (mAh) will be: the capacity of one pack times the number of packs plugged in. By increasing the capacity of the overall pack you also increase the number of amps that can be drawn from the pack. Ex: one PQ21503 pack can be discharged at up to 43 amps, two PQ21503 packs in parallel have a capacity of 4300 mAh and can be discharged at up to 86 amps. The only additional connection required is the connection from the module to the speed control. Packs should be charged individually and not in parallel.
Series/Parallel Module PDF Instructions
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Series Module with
genuine Deans Ultra Plugs
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Plug up to 4 Lithium packs into a Series Module to increase the voltage. The output voltage will be: the voltage of one pack times the number of packs plugged in. Ex: To obtain a 10S pack (ten cells in series), plug two 5 cell packs into the Series Module, the resulting output voltage will be 2 times that of the individual pack but the capacity of the pack will remain the same as a single pack. The only additional connection required is the connection from the module to the speed control.
Series/Parallel Module PDF Instructions
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MPJet pre-wired brushless motor connector sets |

MJ20226 - 3 pieces of 1mm silicone insulated wire with MP Jet 1.8mm male connectors attached. 1.8mm female connectors and heatshrink tubing included for installation on your speed control.
| MJ20221 - 3 pieces of 1.5mm silicone insulated wire with MP Jet 2.5mm male connectors attached. 2.5mm female connectors and heatshrink tubing included for installation on your speed control.
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JST Connector Leads |
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SPEED 400 Connector Leads |
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