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#18650 cells portable
To use Ni-MH/Duracell AA you need a radio designed to use these batteries like my Sangean and Eton portable shortwaves. Costco will sell a 40-pack of these for well under US $20. I keep a brick of Duracells on hand for the zombie apocalypse when there may be no household power available to charge batteries. Standard non-rechargeable batteries like Duracell Coppertops may be used in their place. These batteries can last for over 2,000 charge cycles. When it comes to rechargeable batteries for radios my favorite is the AA-sized Ni-MH, like the Panasonic Eneloop. I also suggest buying Li-ion batteries from respected battery retailers, not Chinese discounters like AliEXP or DHgate. If yours don’t last that long look for quality, authentic batteries made by Samsung, Sony, Panasonic, Sanyo and others. Quality Li-ion batteries of all chemistries should be good for at least 350 charge cycles. Look for button-top unprotected 18650 batteries for the best fit. The better and safer Li-ion batteries include IMR (LiMN) and INR (LiNiMnCoO2).Įvery radio that I have seen that uses cylindrical Li-ion batteries uses a button-top rather than a flat top positive terminal. Protection circuits may generate RFI that could interfere with radios.
Today, there are better chemistries available for Li-ion batteries that make add-on protection circuits unnecessary. Today, devices designed for Li-ion batteries have protection circuits included as part of the device. Protected batteries were quite common more than ten years ago. I advise against using protected Li-ion cylindrical batteries in any radio. Thank you for sharing this, Adi!Ĩ thoughts on “ Adi notes that some new 18650 cells are longer with added protection circuit” It might be difficult to judge in advance, however, if a particular radio or device can cope with these slightly larger cells. I do see where the seller is noting the increased length of each cell to accommodate the protection circuit. So when one is out there shopping for 18650s, it’s important to take note of their size. In order not to damage the spring, I decided to use these batteries only on long listening sessions and then put the original 18650s in, when the D-808 is at rest. I charged them in the D-808 and, so far, they preform very well.
The added 3mm is a new protection circuit Ī shorter one was on the page pictures when I order on AliEx, but I did not have the option to select it and I didn’t ask the seller. They still fit, but the spring is crushed to its minimum and the cover will not fit nicely unless I trim its inning a bit, with a knife.
Recently I received from AliExp two 18650 3000mAh batteries to replace the aging original XHDATA for my D-808.Īs you can see they are ~3mm longer than the original. Many thanks to SWLing Post contributor, Adi, who writes:
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