Reference: RBD-2894
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The Lithium Battery Boost Charge/Discharge Protection PCB Module 5V 2A is designed to provide safe, efficient, and reliable power management for lithium battery applications. Supporting charging currents up to 2.1A and discharging currents up to 2.4A, this compact module is ideal for mobile power supplies, DIY battery packs, and portable electronic projects. It features integrated protection circuits including over-current, over-voltage, short circuit, and over-temperature safeguards to ensure stable operation. With a small 25 × 16 × 4mm footprint, clearly labeled pins, and the ability to discharge while charging, this module delivers versatility, durability, and high performance in demanding projects. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Supports charging input voltage of 4.5V–5.5V (recommended 5V).
High current support: 2.1A charging and 2.4A discharging.
Stable 5V output with 0–2.4A current range.
Multiple protection functions: OCP, OVP, SCP, OTP.
Compact and lightweight design (25 × 16 × 4mm).
Discharge-while-charging capability with stable output voltage.
High-quality build with nickel plating and pure copper conductor.
Enhanced heat dissipation for reliable heavy-load operation.
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18650 lithium battery charging and protection.
DIY power banks and mobile charging projects.
Portable electronic device battery management.
Robotics and embedded systems requiring stable 5V output.
Educational and experimental battery-powered projects.
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| General Specifications | |
| Product Type | Lithium Battery Boost/Protection PCB Module |
| Input Voltage Range | 4.5V – 5.5V (recommended 5V) |
| Charging Current | Up to 2.1A |
| Discharging Current | Up to 2.4A |
| Output Voltage | 5V (4.7–5V during charge-discharge) |
| Output Current | 0 – 2.4A |
| Protection Features | OCP, OVP, SCP, OTP |
| Dimensions | 25 × 16 × 4mm |
| Material | Nickel plating, pure copper conductor |
| Pin Configuration | VIN, GND, BAT, OUT, KEY |
| Special Feature | Discharge while charging |
| Shipment Weight | 0.0034 kg |
| Shipment Dimensions | 3 × 2 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x Lithium Battery Boost Charge/Discharge Protection PCB Module 5V 2A
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