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IMAX B3 Compact AC Balance Charger for 2S/3S LiPo Batteries (US Plug)

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If you are looking for a reliable, hassle-free way to charge your standard Lithium Polymer batteries without navigating complex LCD menus or programming charge rates, the IMAX B3 AC Balance Charger is exactly what you need. Designed strictly for 2S (7.4V) and 3S (11.1V) LiPo packs, this charger represents the pinnacle of simplicity: just plug it into the wall, plug your battery's balance lead into the designated port, and let the charger do the rest.

Unlike advanced smart chargers that require external power bricks, the B3 features a built-in AC power supply, making it incredibly compact and portable. It charges your batteries entirely through the JST-XH balance lead rather than the main power connector. It uses three independent internal charging circuits to monitor and balance each cell individually, maximizing the lifespan and performance of your battery packs.

Key Features & Functional Advantages:

  • Zero-Configuration Charging: Completely eliminates the learning curve of advanced smart chargers. There are no buttons to push, no voltages to set, and no menus to navigate.

  • Per-Cell LED Indicators: Features three separate bi-color LEDs on the faceplate. Each LED corresponds to a specific cell in your battery. They glow Red when actively charging and turn Green when that specific cell is full and balanced.

  • Built-in AC Power Supply: Operates directly from a standard 100V-240V AC wall outlet using the included US-style figure-8 power cable, requiring no additional bulky power adapters.

  • Dedicated Balance Ports: Equipped with two separate JST-XH ports on the side—one strictly for 3-pin 2S batteries, and one for 4-pin 3S batteries.

  • Highly Portable Design: Weighing under 100 grams, it takes up practically no space in a toolbox, RC carrying case, or Airsoft gear bag.

Perfect For:

  • Airsoft Enthusiasts: The absolute standard, budget-friendly charger for keeping 7.4V and 11.1V LiPo stick and nunchuck batteries ready for weekend skirmishes.

  • Beginner RC Drivers & Pilots: A safe, foolproof first charger for kids and adults getting into hobby-grade RC cars, boats, and RTF (Ready-to-Fly) airplanes.

  • Secondary Field Charging: A great backup charger to keep in the trunk of your car for topping up small transmitter or receiver packs when you have access to an AC outlet.

Technical Specifications:

  • Supported Battery Chemistry: Lithium Polymer (LiPo) ONLY (Do not use with NiMH, NiCd, or LiHV)

  • Supported Cell Counts: 2S (7.4V) and 3S (11.1V)

  • Input Voltage: AC 100V - 240V (50/60Hz)

  • Output Charging Current: 3 x 800mA (0.8 Amps per cell maximum)

  • Charge Interface: JST-XH Balance Ports

  • Display Output: 3x Bi-color LED lights

  • Included Cable: standard 2-prong US AC power cord

  • Dimensions: 90 mm x 55 mm x 35 mm

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.