iMax B3 Compact LiPo Battery Charger

The iMax B3 Compact LiPo Battery Charger is a user-friendly and budget-friendly solution for charging your 2-cell (7.4V) and 3-cell (11.1V) LiPo battery packs. Designed for those just stepping into the world of RC hobbies, FPV flying, or robotics, the B3 delivers essential charging performance without the need for complex settings or additional hardware.

This compact charger features two balance ports for 2S and 3S batteries, along with three LED indicators that clearly show the charging and balancing status. Its auto-balance feature ensures each cell is charged evenly for longer battery life and safer performance.

Ideal for powering up your drones, Arduino robotics, and other portable electronics projects, the B3 helps ensure your batteries remain healthy and charged correctly every time. Its internal circuit protection guards against overcharge, short circuits, and reverse polarity.

Whether you’re working on a school project, powering a DIY Arduino build, or maintaining your FPV drone, this charger is a must-have addition to your tools.

Key Features:

• Input Voltage: AC 100–240V, 50/60Hz

• Output Voltage: 2S (7.4V), 3S (11.1V) LiPo batteries only

• Charge Current: Up to 1.6A

• Balance Function: Automatically balances individual cell voltages

• LED Indicators:

  • Red: Charging

  • Green: Fully charged

• Safety Protections:

  • Over-voltage

  • Over-current

  • Over-temperature

  • Reverse polarity

• Connectors Supported: JST-XH balance plug (standard 2S/3S LiPo connector)

• Compact & Lightweight: Ideal for desktop or field use

• Plug & Play: No configuration needed

Applications:

• RC Planes & FPV Quads: Safely charge flight batteries used in drone builds

• DIY Robotics Kits: Provide reliable power for Arduino or NodeMCU projects

• RC Cars & Boats: Recharge batteries used in off-road or water-based RC vehicles

• Classroom STEM Kits: Ideal for students learning about electronics and power systems

• Electronics Labs & Makerspaces: A simple, low-cost option for charging 2S/3S batteries on the go

Precautions & Tips:

• Only use with 2S or 3S LiPo batteries (7.4V/11.1V)

• Do not use with NiMH, NiCd, or Pb batteries

• Use in a well-ventilated area

• Never leave batteries unattended while charging

• Always connect the correct balance port based on your battery type

YouTube Tutorial:

How to Use iMax B3 Compact Charger – Beginner’s Guide

Shop Address:

Electroway Electronics, Johar Town (Near UMT), Lahore, Pakistan
Fast Delivery Across Pakistan – Karachi, Islamabad, Multan, Faisalabad, Rawalpindi & more.