Greetings group, I'm developing a system for manned electric aircraft and was hoping someone could offer their experiences with Li-poly suppliers. I've read...
Hello Joshua. Thought I would mention that it was the Li-Polymer chargers that were of a very low quality. (Heat sinks flapping around, wires fell out, case...
Yeah they seem to have improved, my contact likely went further back when employees were dropping like flies, something like 5 in one month. Neil Zeng seemed...
Hello David, They are being shipped directly from gmb china. I had to pay in advance and I am waiting for the packs know. It's true the dhl-taxes are quiet...
Hi Phillip GMB was the lowest cost Li-Po batts I could find back in March when I went hunting for them. GMB did not seem to know anything about Li-Po batts...
Hello again, Since I got only one response to the request for experiences with ABF li-polys, anyone care to comment on the GMB Li-polys? What is their max...
Greetings Jonathan, I've just received an order of 30 Kokam 8Ah LiPo cells part number: SLPB68106100 at a cost of $1600 USD or ~$2 per Watt-Hour. You should be...
Hi Someone named Timothy was doing a group buy of some ABF cells a few weeks ago…supposedly with fast delivery and I have heard zip on how that went (anyone...
No, but judging by the condition of their chargers, they have a weird sense of humor ... From: Philipp Hofer [mailto:phiho333@...] Sent: Friday, September...
Hello Jonathon. As mentioned off-line, the GMB Li-Polymer battery packs do not come with a BMS, and recommended discharge rate is around 1C. The 16AH 36V pack...
Good grief, GMB told me “of course a BMS is included”. The $304.00 was likely just before the price increase or because of quantity discounting/ ... From:...
... Dear Jonathan We developped a motorglider with NicD batteries, wich was type certified in 1998 and are now updating the battery (Lithium Polymer). We also...
Hello All Reading all you interesting observations I'd say I was in your shoes a few years ago. I have no idea to GMB ior ABF is so may someone please give me...
ENERGY NRGCELLS
nrgcells@...
Sep 6, 2004 5:02 pm
742
Hello John, Let me add my vote to your requirements for BMS on Li-ion and Li- polymer batteries. This is critical! Some of the issues you raise may not...
Interesting (in a good way) to see the manufacturers of batteries showing up on this message board. Hope to see more of this happening here and in the Power...
Hi everyone, Update on the ABF Li-Poly & Ni-MH cells... I wired the money to ABF on Aug 23rd. The goods are in Chicago, currently going through Customs. I...
Thanx for the reply Tim My own experience with getting Thunder-Sky Lions was not very good, from the moment the wire transfer went through to the day I opened...
Hello Jonathon. The main problem that I can see with the ABF BMS/Li-Polymer batteries is that the BMS does not have over temperature protection. This may be a...
That is Really Terrible Things for GMB Battery, As Far as I know they are just company SELL products from China. really Bad Reputation. They do NOT even has...
Hello People, GMB as far as I know,They do not have factories, what they do is only source for Cheap Cells and doing business in a very changeable way to get...
Hello People From Worley I have been heard, you company is only Trade company, We been find for example the large li-ion Cells,however as far as we know it is...
As far as We Know GMB,They do business in a strange Way. The Fact is they do not have factory as claimed Here Will be some infos for the lithium ion Polymer...
hello Jonathan any new on ABF Li-Polys but GMB do not have factories even just one girl doing business in strange way. for the high discharge rate,I never saw...
Hello LiPo freaks, I don't know much about the PCM and the charger. I think the charger only needs to control the max voltage of 4.2 V each cell and switch off...
You have just stated the Demming method of management . The single most important factor in the rise of japanese in the 70s and 80s. Truely a girlfrind...
Hello Tim, Congrats on the battery order! 14 gauge wire on your batteries? What is the current rating on that wire? Did you request this wire? <joke> Are...
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