Has anyone found similar rechargeable 1.5V rechargeable batteries to TENAVOLTS? These have been out of stock for a while and we are still missing some for our locks 
What makes them different is they actually contain a 13430 3.7v 750mAh 2.78Wh Li-Ion battery and a built-in bms to maintain a constant current of 1.5V. I find our locks just work better with them.
Haven't used these, but noticed them recently while researching headlamps.
Coast AA ZITHION-X. 4 for US$24.34
Should be pretty much the same. 
@HarleysWorld -These are very good. Costco has them and I found a seller on Walmart at 19.99, but you know how those 3rd party sellers on walmart, are...unreliable, sometimes scammers.
Anyway, I have a load tester DL24, and I have tested over 10 different brands of lithium AA rechargables. These Coast Zithion-x are the ONLY ones to meet their claimed/labelled capacity. And the AAA are very good also meeting labelled capacity.
What is not known, is how long they last. In my testing I've had about a 20% failure rate amoing the brands tested, not including Coast, because I've only had the Coast about 6 weeks. Coast generally makes decent quality flashlights
Did you test the EBL ones? I just literally placed an order less than 2 minutes before your response and now trying to get it canceled. I'll probably go with the Coast Zithion-x since you've tested them.
Unfortunately, no I've not tested EBL rechargable Lithium AA's. Generally with LiIon, EBL is good. I had their NiZn batteries, which were not good, 50% failed after 1 year.
Okay! I'll hold off on getting the Coast ones until they've actually canceled the EBL order. I bought directly from their site because it was cheaper. I like that I can basically use the Tenavolts charging dock with them. If they are actually like Tenavolts, then I'm sure I'll be happy with them. I just like that they're don't get "weaker" in operating the door locks whever the charge goes down until they're dead.
Generally the LiIon AA will produce a fairly steady 1.5 volts till almost dead, so probablt battery reporting will be less acurate
Yup. I noticed that. It's like alive, alive, alive then DEAD! But that's okay. I just a higher threshold for them to be replaced. 50% seems to be a good one so far for them.
Thanks for the recommendation again, guys! I was able to cancel my EBL order and went ahead and ordered the Coast Portland ones.
I use EBL for all the locks and some older ST ZB sensors.
They seem to work fine. I ordered more to lower the Amazon AA count.
Have you tried Coast Portland’s ZX310? I just switched all our Zigbee motion sensors to the Zooz Zwave ones and it requires CR123a/16340 batteries. I noticed they had rechargeable ones of these and considering getting them.
No but given it's 16.00 per cell and runs at 3.7 volts, not 3.2, I don't think it's a bargain. Think that a rechargable lithium will last about 10 years. In those 10 years you can spend about 10.00 on relaible off brand disposable CR123a (see my other comment to you where I tested the MXpow CR123a) which are about 1.50 each, so in 10 years you'd spend about 7.50(5 disposable CR123a batteries) and not need to keep track of recharging.
I still use rechargables, but only in low activity areas. And another thing, the rechargables make battery reporting even less reliable than the lousy reporting with non-rechargables
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