The iMax B3 Pro is a compact and easy-to-use balance charger designed specifically for 2S and 3S LiPo batteries, making it a popular choice for airsoft guns, RC vehicles, and drones. It offers a simple plug-and-charge solution with built-in safety features and automatic balancing.
Key Features
Balance Charging Technology:
Charges each cell evenly to improve battery lifespan and safety2S & 3S Compatibility:
Supports 7.4V (2-cell) and 11.1V (3-cell) LiPo batteriesPlug & Play Operation:
No settings required—simply connect and chargeLED Status Indicators:
Red = Charging
Green = Fully charged
Compact & Lightweight Design:
Easy to transport and ideal for beginners
Performance & Specifications
Input Voltage: AC 100–240V (UK mains compatible)
Charge Current: ~850mA per cell
Max Output Power: Approx. 10–25W (model dependent)
Battery Types: LiPo / Li-ion (2S–3S only)
Dimensions: ~90 × 55 × 35 mm
Weight: ~180g
Design & Usability
Dedicated Balance Ports:
Separate ports for 2S and 3S batteries for correct connectionInternal Power Supply:
No external adapter required—plugs directly into mainsBeginner-Friendly:
Ideal entry-level charger for airsoft LiPo users
What’s Included
iMax B3 Pro Charger
UK mains power lead (or adapter)
Instruction manual
Safety Notes
Designed only for LiPo batteries—do not use with NiMH or other types
Always use a LiPo-safe charging bag
Do not leave charging batteries unattended

