# UPS module 9V, lithium battery 3.7V

- Page: https://sigmanortec.ro/en/ups-module-9v-lithium-battery-37v
- Price: 21.28 RON
- Availability: In stock; 1-2 zile
- Reference: 33503 · EAN: 5943004777248
- Category: Electronic components > Modules for Batteries > UPS Modules
- Specifications: Technology: Lithium Ion; Number of cells: 1S; Output Voltage: 9 V; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.006 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:25 (Europe/Bucharest)

## Description

Provides 9V UPS power for sensitive equipment, raises the voltage from a 3.7V Li-Ion battery and charges it automatically, instantly switches to battery upon power outage and returns to charging upon re-powering. Accepts 5-12V input, delivers up to 9W with 1A peaks, supports 1S batteries up to 8Ah or 15Ah via jumper, compact size 50x20x6.3 mm.
UPS module voltage booster from 3.7V lithium battery to 9V.
The module charges the lithium battery and automatically switches to it when the power supply is interrupted. When power is restored, the module will recharge the battery.
Input voltage: 5 - 12V
Battery: 1S, 3.7VDC, Lithium (e.g., 18650)
Output voltage: 9VDC
Output power: 9W
Maximum battery capacity: 8Ah default, 15Ah by setting jumper 2
Operating temperature: -40 degrees - +85 degrees
Operating humidity: 0-95%RH
Dimensions mm: 50 x 20 x 6.3mm
Instructions:
1 - Connect power supply voltage to input
2 - Check output voltage with a voltmeter
3 - Connect battery to B+ and B-
Additional information:
Maximum output current with peaks of 1A.
Connecting the power supply with reversed polarity will damage the module. Please carefully check + and -.
Supports connection of a common anode bicolor LED indicating the battery status. Blinking red signals the absence of the battery.