3.7V Li-Ion Battery Charging and DC-DC Step Up Booster Module | Micro USB Input | Adjustable 4.2V–27V Output | TP4056 + MT3608
₨ 165
🔋 Dual Functionality:
Works as both a 3.7V Li-ion battery charger and a DC-DC step-up booster.
⚡ Wide Input Range:
Accepts input voltage from 4.5V to 8V DC (via Micro USB or IN+ / IN− pins).
🔧 Adjustable Output Voltage:
Provides 4.2V to 27V DC output, adjustable through the onboard potentiometer.
🛡️ Safe & Reliable Charging:
Equipped with TP4056 chip for precise charging control and overcharge protection.
🚀 High Efficiency Boost Converter:
MT3608-based step-up circuit offers stable output and excellent energy conversion.
🔌 Compact & Easy to Use:
Small 3.3×2.3 cm size—ideal for DIY kits, prototyping, and portable devices.
🌞 Solar Compatible:
Can be powered directly from 5V solar panels for outdoor or off-grid setups.
💡 Multiple Applications:
Perfect for powering Wi-Fi routers, LED lights, fans, audio amps, RC projects, and more.
Power your projects efficiently with this multifunctional 3.7V Li-Ion Battery Charger and Step-Up Booster Module.
It is equipped with a Micro USB port for convenient charging and a built-in voltage regulator that allows you to boost the output voltage from 4.2V up to 27V DC.
This versatile module is perfect for DIY electronics, solar power systems, routers, LED lights, and other battery-powered applications.
With the TP4056 charging chip and MT3608 boost converter, it ensures safe and stable charging performance along with high conversion efficiency.
⚙️ Specifications:
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Input Voltage: 4.5V – 8V DC
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Output Voltage: 4.2V – 27V DC (Continuously adjustable)
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Charging Voltage: 4.2V DC
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Charging Current: Max. 1A
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Discharging (Boost) Current: Max. 2A
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Size: 3.3 × 2.3 cm
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