Parts/Batteries & charging/Charge leads & balance boards/ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)
ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)
ProTek RC

ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

Part # PTK-52414.5(12)
Where to buy
$9.99
AMain Hobbies
Seen Oct 12, 2026
$9.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

This is a heavy duty 2S hard case lithium polymer battery charge lead lead from ProTek R/C. This charge lead has 4mm banana plugs on both ends, as well as a 2mm banana plug on the battery end for balancing. This charge lead is specifically designed to connect a 2S lipo hard pack to ProTek R/C chargers, but will also work with any charger that uses 4mm bullet connectors for output, and an XH balance adapter port.

ProTek R/C is an AMain Sports & Hobbies brand.

CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

Reviews4.5 · 12 reviews

Francis LacombeVerified owneron ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

super belle qualité de produit solide je le recommande

1 found this helpful
Big RedVerified owneron ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

Perfect for Hyperion 0606i to Orion battery, cleaner setup since you don't have to have to use the balance board, just plug this into the port where the balance board wires normally go.

1 found this helpful
AnonymousVerified owneron ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

PERFECT for charging 2S LiPo packs (Orion or Intellect that use 2mm bullet plug to balance) with my new Turnigy Accucel 6 charger. Thanks for supplying a hassle-free connection!

1 found this helpful
Chris HouleVerified owneron ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

High quality product, very pleased with it. Only needs to have different lengths

AnonymousVerified owneron ProTek RC 2S Charge/Balance Adapter (4mm to 4mm Bullet Connectors)

Works good, however the soldered fittings were so poorly soldered that they (I purchased 2) have all broke at the most inopportune time. I had to pay someone to re-solder the connections as I did not have my soldering iron with me at the time. Not that big of a deal, but... If I pay money for a product it should work!

What reviewers say

Reviewers generally rate this 2S charge/balance adapter highly, praising its build quality, materials and its convenience for charging 2S LiPo packs, including use with tubed batteries and specific chargers. Several note wish for different cable lengths. The most recurring problem is solder joints failing, reported by one buyer who had two sets break and needed re-soldering, and another reported a broken balance wire attributed to rough handling. One reviewer reported unstable or over-voltage cell #1 readings that improved only when the lead was held firmly, suggesting a possible connection issue on a single unit. Reviews are mostly positive, though based on a small number of reports.

  • + Good build quality and materials
  • + Convenient for 2S LiPo balance charging
  • + Clean setup without balance board
  • + Easy, hassle-free connection
  • − Soldered connections can fail
  • − Fixed cable lengths
  • − Intermittent cell #1 balance readings on one unit
Summary generated from the reviews above.

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