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Just looking at industrial batteries in general does make you wonder about the quality leisure of batteries. The Deep discharge seems to be to much where as Cyclic standards seem to be about right. As normal nothing is easy as they seem fussy about charging.

I'm not stating this is the case now, my experience was a long time ago and I think they were relatively new on the scene. It does make you wonder what the policy is with old stock batteries? I know when I was in the military computer world, domestic equipment was not really tested as it was...

Now being passed from pillar to post by Battery Megastore. Each new person never bothers reading the history of pervious emails. Still insisting that an engine start battery is valid for checking leisure battery capacity. The prices may be good from Battery Megastore, but I suspect they buy...

This is why I set up a capacity test Geoff, as all common battery tests are based on the ability to start an engine. Funnily looking at the NCC battery ratings and gradings, nothing less of their grade A is suitable as a leisure battery. The lesser grades, you'd expect the same from a engine...

Latest update from Battery Megastore, they don't understand what a series connection is :(

Some people have no idea of the responsibility you might be taking on by retailing someone else’s products. Batteries have to be the worst. I imagine that any kind of sealed battery must have a short shelf life. I can’t imagine that they are all stored connected to battery maintainers. Then...

Is it me? !!!!! Battery Megastore are struggling to understand the information sent to them. They seem to think a Mercedes 811D operates on 12 volts and the batteries are wire in parallel.

Is this hot enough to ward off legionars disease?

Left them on a little longer than intended, so At 12.00hrs today 21hrs testing. Battery 1 with load removed 11.61 volts. Battery 2 11.52 volts. After 1 hour to recover. Battery 1 11.77 volts and Battery 2 11.69 volts. So I'm thinking that took them to 20-30% charge, much deeper than I...

Both Batteries in storage mode this morning showing 13 volts and dropping when disconnected. After a 4 hour rest, both batteries at 12.74 volts. So now for a simple load test. I soldered a 21W 12 volt bulb to some wires and connected the same to each battery. 1.78 Amps being drawn and Battery 1...

This is the daft thing, I sent them the results from devices designed to check if it's up to starting an engine. No matter how much the volts have dropped it starts the engine with ease. So not surprisingly it passes those tests. So based on the last email from them, I'm charging them again...

So this morning I took advantage of Halfords free battery check. The young lad told me both Varta LFD90 were fine, though one wanted charging. Both were fully charged Saturday. I asked if I could touch his box of tricks and he agreed with a confused look on his face. The box was cold. I asked...

As with most converters their god is profit, not quality.

The idea was not about buying a used one Trevor. New they are so cheap it would make a good base vehicle.

I'm not as posh as you I'm only using Bluetooth. The Shunt is a precision resistor and the BMV measures the voltage across it. From ohms law the current can be calculated flowing through it. The BMV has to learn what is fully charged based upon the numbers you gave it about the battery. You can...

Also I'm not sure how you would clear all collected data, say after doing an upgrade. Under those conditions it would be nice to start fresh. I have some rubbish info on my first BMV from when I was trying to figure it out.

I'm must admit it caught me with my pants down when I installed my last BMV. I wasn't prepared for the updates, it seemed like I had no or little warning about the effects of what it was doing. I was right on the limits of my wifi too.

Unless I've got the wrong end of the stick, surely the BMV has to learn? You have to tell it the parameters it's working with. Then when you've been through some full charge and partial discharge cycles it will learn and give useful information. Also I'm not sure which battery you are trying to...

I don't expect it's only me, but it hard to get your head around the idea of a load being on the negative side of the battery. I just keep reminding myself that everything must go through the shunt to be recorded.

They are part of the Daimler group, what would you expect?