Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
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Description
ProTek RC 2S Charge/Balance Adapter (4mm to 5mm Bullet Connectors)This is a heavy duty 2S hard case lithium polymer battery charge balance adapter lead from ProTek R C. This 13" long charge lead allows you to plug a 2S battery with 5mm female bullet connectors directly to your charger, eliminating the need for a balance board! This adapter lead features 4mm banana plugs on the charger end, and 5mm banana plugs on the battery end, connected with 14awg wire. The balance wires include a 2mm banana plug on the battery
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 2283 reviews
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Product Reviews
★★★★★ 5
Great parts replacement kit for Eufy!
Size: Eufy B-18Packs, Size: Eufy B-18Packs
This kit has made it nice keeping up with our Eufy robot vacuum. All parts were free of defect and fit as it should. Instead of replacing individual piece by piece, I now just change all of the replacement parts at one time and it’s good to go for a while! Great value. Great quality. Will definitely be buying this kit again!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Replacement quality is outstanding
Size: Eufy A-21Packs
Great value. Plug and play. Worked as designed
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Perfect fit but originals last longer
Size: Eufy A-21Packs
With 4 cats and 2 dogs and using my Eufy RoboVac 11S Max twice a day until it dies, the brush and filters don't seem to last long. These replacement parts fit perfectly, but do not seem to have the same lifespan as the originals - would have to do the math to see if it would be worth buying original replacements, but that is probably case dependent. Overall happy, but took a star away for shorter wear life.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Excellent service
Size: 19pcs
Received parts in no time. Parts fit perfectly. Vacuum cleaner is back in operation at a very low price.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Excellent Deal
Size: Eufy A-21Packs
Great deal - pricing is fantastic making it easy to keep my little robo-vaccum running smoothly. The replacement parts are super easy to click into place - and having these multi packs will last a long time. Packaging is secure and the delivery was quick. The brush quality is excellent and function well with the exsisting parts already in place. These are not 'remakes' or 'versions' but an exact match to the originals. The replacement parts keep the same level of low noise and look intact. No guessing required. I'd recommend these for anyone with an Eufy RoboVac.
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Reviewed in the United States on January 14, 2026
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