Rechargeable batteries in Fibaro sensors

Community Playground General Discussions
1

Has anybody experience with Rechargeable LiFePo batteries with a 3.2-3.4 voltage as replacement for the CR123A batteries?

The voltage is slightly higher and i don’t know if this is a problem.

I have about 8 sensors with CR123A batteries and it would be great if i could replace the batteries with rechargeable ones.

2

Did you get any clarity in this matter?

I have the same issue here at home and was ready to order some RCR123 from Ebay.

Would love to hear if you found a specific brand that worked!

3

I’ve never tried it, as I have no Fibaro equipment, but that small of a voltage difference should not be a problem at all.

4

An online manual for the Fibaro Door/Window sensor lists the battery as an ER14250, which is a 3.6v jobbie. Not sure if this is why a newly installed CR123A shows at 60% (or if it’s the hours I spend reincluding after a battery change resets them!)

A rechargeable should be fine.

I actually bought a rechargeable for mine, but it was too short to fit in my charger!

5

Hello all, I wanted to just chime in. I posted regarding rechargeable CR2450’s for my Everspring HMS02 but no one responded. I ordered from Amazon this: HQRP Two LIR2450 / LIR 2450 (CR2450) Li-Ion Rechargeable Coin Batteries and Battery Charger plus Euro Plug Adapter.

It arrived today with batteries at 100%. The sensor now works and I’ll begin charting my time on how long they last.

I was getting similar issues with batteries much like you were with this Fibaro sensor. Brand new 2450 were lasting 13 days if I was lucky after all kinds of modifications to poll/wakeup times and the like.

I hope I get some better times as Everspring advertises 3 year battery life for this device…LOL. Here was my original thread just for reference: http://forum.micasaverde.com/index.php/topic,32659.0.html.

Hope the rechargeables work for you. Good luck!

6

I actually mailed Fibaro and asked (I should have known better) and got this answer:

Dear Sir, Fibaro Smoke Sensors and Motion Sensors are designed to powered them via CR123A. We do not recommend use other kind of battery. Using other kind of batteries may damage a module.

I went ahead and bought a Nitecore D4 battery charger that should be able to charge 16340 (RCR123) batteries. It also support LiFePO4 batteries that runs a lower voltage (3.2V nominal working voltage instead of the usual 3.7V).

Here is a good site on CR123A and rechargeable substitutes:

http://lygte-info.dk/info/CR123A%20and%20rechargeable%20substitutes%20UK.html