Could I use this for off grid bathroom fan timer, with a one button push operation to run the fan for 10mins each time button is pushed.

press P, the LCD will show "1 ON" word (start the first start), then press M +, H + and D + to set the start time. Press P again, the LCD will display the word "1 OFF" (first time set), then press M +, H + and D + to set the time to the end. In this way you can set a total of 17 times ON / OFF. You can't run the fan for 10 mins each time when it's pushed. It should setup begin and end.

How to turn on manually? I have connected to a 12V battery. When i turn it on manually the roght light comes on but i get no output voltage

There might be something wrong with your connections, if you hit the manual button and the light comes on it means there is power. - 1 and 2 should go to your battery + and - - 3 to the battery negative - 4 to load negative - Connect battery + to load +

what kind of lithium battery is required? is it replaceable? rechargeable? how long will timer function on thins battery?

I've used it for four years and so far I haven't had to change any batteries yet.

Is there a way to set this timer so it runs 10 minutes out of every hour?

I already did it and it works very well

Cn101a 12v | Desertcart UAE

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Description

⏳ Master your time, electrify your space!

COMPACT YET MIGHTY - Sleek 60x60x32mm design fits anywhere, combining functionality with minimal footprint.
SCHEDULE LIKE A PRO - Program up to 17 on/off cycles daily or weekly to automate your environment effortlessly.
STAY ON TRACK ALWAYS - Built-in 60-day power failure memory ensures your settings never get lost.
POWER UP WITH PRECISION - Supports 12V DC/AC input and delivers stable 200-250V AC output for versatile control.
MAX LOAD MINIMAL HASSLE - Handles up to 16A current, perfect for heavy-duty appliances and lighting setups.

The Baomain CN101A is a compact, programmable timer switch designed for professional-grade automation. It accepts 12V DC/AC input and outputs 200-250V AC at up to 16A, making it ideal for controlling lighting and appliances. Featuring a clear digital LCD, it supports up to 17 programmable on/off cycles daily or weekly, with a 60-day power failure memory to safeguard your settings. Its durable plastic build and compact size make it a reliable, space-saving solution for smart home and DIY projects.

Specifications

ASIN	B01B165XZS
Best Sellers Rank	166,810 in DIY & Tools ( See Top 100 in DIY & Tools ) 286 in Timers
Brand	Baomain
Colour	White
Customer Reviews	4.3 4.3 out of 5 stars (676)
Date First Available	25 Jan. 2016
Item Weight	70 g
Material	Plastic
Model Number	CN101A
Product Dimensions	3.2 x 6 x 6 cm; 70 g

Reviews

R**T

Bargain buy

This is the second I have, They’re very good keep good time easy to set up at a bargain price.

6.04.2025

R**.

Do not recommend

Brought 2 of these, both didnt even turn on, its not worth my time in packaging and printing return label and visiting a drop off point

6.01.2026

G**A

un po macchinosa la programmazione ma il prodotto e conforme a quanto descritto e funziona molto bene, ottimo

7.11.2025

A**R

I use this on a solar/battery setup for my business sign lighting. Easy setup, been working great ever since install.

11.10.2024

P**A

Beginner in electricity here. All good, but watch out for the connections. It needs fast-on connectors of the right size (when you know nothing you might end up buying again and again connectors that aren’t compatible…) I use the CN101A to automate my water pump on a 12v solar system. Works really good and is very easy to program. There’s a documentation. Installation was a bit harder (because of other modules making the wiring complicated) but ChatGPT helped me efficiently on that one. I recommend this.

18.12.2025

م**ي

ممتاز ، ممتاز ، و العيب الوحيد هو ارتفاع ثمنه .

25.06.2023

H**Z

Era lo que necesitava

21.06.2024

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