9V 18650 Lithium Battery Boost UPS Module – Uninterruptible Power Supply with Simultaneous Charge & Discharge

Ensure continuous power for your devices with this multi-voltage boost UPS module. Designed for 1-cell 18650 lithium batteries, it provides 5V, 9V, or 12V output while allowing simultaneous charging and discharging. Perfect for DIY electronics, small UPS projects, routers, and portable devices, this module guarantees reliable operation even during power interruptions.

Key Features

Multi-Voltage Output – Selectable 5V, 9V, or 12V DC output
Simultaneous Charge & Discharge – Powers your device while charging the battery
1A Output Current – Suitable for low to medium-power electronics
Boost Step-Up Function – Converts 3.7V lithium battery voltage to higher DC output
Safety Protections – Overcharge, overcurrent, over-temperature, and short-circuit protection
Compact & DIY-Friendly – Ideal for Arduino, Raspberry Pi, and portable electronics projects
Specifications

Parameter Details
Module Type Lithium Battery Boost UPS Module
Input Voltage 3.7V–4.2V (1x 18650 Li-ion battery)
Output Voltage 9V DC (Selectable)
Output Current 1A Max
Charging & Discharge Supports simultaneous operation
Battery Type 1 x 18650 Li-ion cell
Protection Features Overcharge, overcurrent, over-temperature, short-circuit
Size Compact PCB for DIY projects
Applications

DIY UPS for routers, modems, and IoT devices
Portable electronics & USB-powered gadgets
⚡ Arduino, Raspberry Pi, ESP32, and other DIY electronics projects
Small battery backup for LED lights, cameras, and sensors
Low-power devices requiring uninterrupted power supply
Package Includes

1 x 5V/9V/12V 18650 Lithium Battery Boost UPS Module

⚡ Compact, versatile, and safe – this UPS module provides continuous power with selectable output and simultaneous charge/discharge support for DIY electronics projects.