They are listed here as Panasonic/Sanyo cells. Are Sanyo cells better than Panasonic? I have no idea to be honest. All I can say is I’ve been using Panasonic cells for years without issues.
Panasonic owns sanyo, each cell has its own name. Panasonic’s 3400 cell is the NCR only good for around 6 amps. But sags heavily after 4 amps. The sanyos 3400-3500 cell is the sanyo GA. 10 amp rated cell. Its developed by sanyo, sanyo never recovered from a major earthquake and Panasonic owns it now. Might not see to many new cells with a sanyo label on it. Essentially they are the same company now. All the high drains are comparable. Sanyo/lg/Samsung 10amps you couldn’t tell a difference in the 3 lights you have. And the 20+amp cells are all similar. 30q/HG2/VTC6/ etc
You won’t go wrong with Panasonic or sanyo cells. I recommebrd the sanyo cells since they are the same price as the Panasonic outdated NCR B cells. And said if you ever get more powerful lights that draw over 3 amps you already have cells now for it. Panasonic makes good cells all the big manufacters do. Sanyos plant was hit during a massive quake. And just never recovered fiancialy completely. Panasonic bought them out to get their battery formulas and technology. They let sanyo keep operating with its name for the time being but that may change in the future.
Like Walmart and samsclub two different companies but both owned by walmart
To the OP I have 3 of these lights & for the money they are great little lights :+1:
I tested the claimed 3000mah “crapfire” cells that came with them & got 600-800mah iirc & very high resistances & after charging voltage dropped like a stone
They are very very poor cells.
I recycled mine.
I see one of the “tips” in the SV2 Rocket manual is to manually reduce the charge rate from 2A to 0.50A when the battery is “almost full”. I suppose this gives a more accurate termination point?
Reading the translation is half the fun of getting new Chinese product! The instructions don’t say you have to reduce the charge rate, it is automatic, but reducing it is a “tip”. Otherwise the instructions seem common to other charging practices. I’m pretty new to this and needed a faster charger for the 26650s in a couple of new lights I bought and I found the SV2 on sale. :money_mouth_face:
They’re all the same, made in the same factory. Sanyo has been a subsidiary of Panasonic since 2009. Sometimes they put Panasonic logo on the product and sometimes they put Sanyo logo, but it’s essentially the same product beneath the label.
:+1: Those are the ones! It doesn’t mean that the cell has internal protection, but a lack of them would indicate that it does not.
If you are using these in a light that draws 3 amps or more, you will certainly benefit from a better cell such as panasonic sanyo samsung sony lg.
Better meaning higher voltage under load, higher capacity, higher amp capability, lower internal resistance, resulting in more lumens.