5V Micro USB Boost Step-Up Power Bank Module | Lithium Li-ion LiPo Battery Charging & Protection Board with LED Indicator | DIY Power Bank Charger Module

Description

⚡ 5V Micro USB Boost Step-Up Power Bank Module is a 2-in-1 charging and boost converter circuit that allows you to charge and discharge lithium batteries safely.
This module is widely used in DIY power banks, portable chargers, battery backups, and electronic gadgets.
It includes built-in overcharge, over-discharge, and short circuit protection, ensuring long battery life and reliable performance.

🔋 ✨ Key Features & Highlights:

✅ ✔️ Dual Function Design – Works as a charger + boost converter module.
✅ ✔️ Micro USB Input Port – Easy charging from any USB adapter or cable.
✅ ✔️ USB Output Port (5V) – Provides stable 5V output for mobile charging or devices.
✅ ✔️ LED Indicator – Red = Charging, Blue = Fully Charged.
✅ ✔️ Built-in Protection Circuit – Overcharge, Over-discharge & Short Circuit protection.
✅ ✔️ High Efficiency Boost Converter – Converts 3.7V to 5V with 90–95% efficiency.
✅ ✔️ Compact & Lightweight PCB – Ideal for portable DIY projects.
✅ ✔️ Safe for Li-ion / LiPo Cells – Extends battery lifespan.

⚙️ Technical Specifications:

🔹 Input Voltage (Charging): 5V DC (Micro USB)
🔹 Battery Type: 3.7V Li-ion / LiPo
🔹 Boost Output Voltage: 5V DC
🔹 Output Current: 1A–2A Max
🔹 Charging Current: 1A
🔹 Efficiency: 90–95%
🔹 Protection: Overcharge / Over-discharge / Short Circuit
🔹 LED Indicator: Red (Charging), Blue (Full)
🔹 PCB Size: 35mm × 20mm (approx.)
🔹 Operating Temperature: -10°C to +85°C

🔌 Applications:

✔ DIY Power Bank
✔ Portable Charger Circuit
✔ Bluetooth Speaker Battery Backup
✔ LED Light / Fan Power Module
✔ RC Toys & Small Gadgets
✔ 3.7V Lithium Battery Projects

⚠️ How to Use:

1️⃣ Connect a 3.7V lithium cell (18650 or LiPo) to BAT+ and BAT-.
2️⃣ Charge the battery using the Micro USB input.
3️⃣ Use the USB port output (5V) to power or charge mobile devices.
4️⃣ Observe LED indicators for charging status.