⚙️ Key Features:
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Supports 2S (7.4V) and 3S (11.1V) Li-Po battery packs
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Automatic cell balancing for safe and efficient charging
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Built-in overcharge and short-circuit protection
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LED indicators for power and charge status
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Compact and lightweight design for portability
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Plug-and-play — no setup required
📊 Specifications:
| Parameter | Value |
|---|---|
| Model | IMAX B3 Compact Charger |
| Input Voltage | AC 100–240V, 50/60Hz |
| Output Current | 3 × 800mA |
| Supported Battery Types | 2S / 3S Li-Po batteries |
| Output Connector Type | JST-XH balance port |
| Charging Indication | 3 LED indicators (one per cell) |
| Protection | Over-voltage, short-circuit, reverse polarity |
| Dimensions | 95 × 55 × 35 mm |
| Weight | ~90 g |
⚙️ Applications:
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RC Drones and Quadcopters
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Airplanes, RC cars, and boats
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Robotics and DIY battery-powered projects
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Li-Po battery maintenance and storage
❓ Frequently Asked Questions (FAQ):
Q1: Can I charge a 4S battery with this charger?
A1: ❌ No, the B3 charger supports only 2S and 3S Li-Po batteries.
Q2: How do I know when the battery is fully charged?
A2: Each cell’s LED turns green when charging is complete. Red indicates charging in progress.
Q3: Is it safe to leave the battery connected after charging?
A3: ⚠️ No, always unplug the charger once all LEDs turn green to prevent overcharging.
Q4: Can I use it for Li-ion or LiFePO4 batteries?
A4: The B3 is specifically optimized for Li-Po chemistry. For other types, use a compatible charger.
🧠 Meta Description:
Buy IMAX B3 Compact LiPo Balance Charger for 2S–3S batteries at RoboShopBD. Safe, reliable, and easy to use — perfect for drones, RC models, and DIY electronics in Bangladesh.






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