Well packed and seem to be genuine, at least they are the same weight as other Samsungs I have, they have been on the charger for about two hours now at 0.5A charge and still sucking it up
In the same order I got 8 Panasonic 3400mah 18650 NCR18650B which weigh about right as well, they arrived at 3.4v and will stay that way until the BLF-GT is about due to arrive here
Shipping through Bpost was slow, but hey they beat the Q8
Mine were bought from this same store, 40 something days to arrive in Brazil, but sometimes shipping is unavailable, and when it comes back the shipping is usually more expensive than before. My 30Qs are legit, but my lii-35As might either be GAs (according to the product description), which they don’t sell without rewrapping, or 35Es (by actual product appearance) which they do sell without rewrapping
Batteries I ordered from the Littokala AX shop took One month and three days to arrive from ordering recently. They shipped next day from placing the order.
i got ripped off by the LittoKala Official Store on Aliexpress . and they wont talk to me about them not arriving after a second go at sending them to me . this is when freight to Aus was $3 for a pair of the new dark coloured 26650 50a just before freight went up to like $30 +
As far as I know there's no “official” LiitoKala store in AliExpress; stores can change their store name anytime (?). Just because you call yourself “Butt-head” does not magically turn yourself into a butt-head. :-D
can anyone tell me the best method of how to test a batteries continuos discharge amperage?
so for example i just recently received some sanyo 3500mah NCR18650GA and want to make sure they are what was advertised which is a discharge rate of 10amps
is it as simple as grabbing a multimeter setting it to amps an touching the terminals?
The continuous discharge rating is defined by the manufacturer, and it is quite complex to determine as many variables come into play for the determination.
If you want to check them perhaps you could check their mAh capacity by discharging them with an analysing charger.
I also just yesterday received my Liitokala lii-500 engineer from gearbest, so i ran acapacity test and they came up at around 3300mah. have i been jipped? or is this a reasonable capacity for a 3500mah battery?
I can’t remember how long it took for the cells to arrive, but probably less than a week. The cells were packed individually in thin cardboard boxes, inside another thin cardboard box, in a padded bag.
I don’t know how to tell whether they’re legit, but my Opus BT-C3100 measured ~3,600mAh capacity. I haven’t used them yet.
You didn't got jipped… unfortunately, even the big brands are to blame for overstating the official capacity figures (discharge at ≈0.2C so, in this case, we should look at the 0.5A and 1A curves). This is a 3200mAh class cell.
The Opus BT-C3100 is an analyzing charger known to overstate measured battery capacities. If you were to test skinny_tie's cells in your charger, DoNkEyConN, I am pretty sure the figures would be very close to the ones you already got.
Thanks for that clarification Barkuti. These two cells were actually the first two I’ve ever tested, and I don’t have another charger or other NCR18650GAs to compare. I should also have mentioned that they were tested at 1A.
I’m working through all my cells, and just this morning a couple of Eneloop Pro AAs measured higher than than their rated capacity. I might need a Lii-500 too.
I posted submitted my measurements before I saw DoNkEyConN’s, and I didn’t mean to suggest that there was anything wrong with the cells he had received. As both of our chargers are reporting something in the ballpark of the rated capacity I think we can feel confident that the cells are probably genuine, or at at least very usable fakes.
I got those last numbers using the fast test settings on the liitokala - lii 500. I did another capacity test using the NOR function and 500ma and the results were better than expected. all the cells were between 3450mah and 3550mah so pretty stoked.