D cells with 10,000 milliamp

[Old Timer]

Not exactly bikes but about batteries which is pretty topical.

I have several dab radios, unlike the very latest dab radios the early ones really needed either to be mains operated or the expensive purpose made rechargeable assemblies.
I like to listen to the radio when doing a bit of gardening so looked around for some decent rechargeable batteries ( 4xD cells) rated at 10,000 milliamp (10amp) cost £20 for 4 post free. Stuck them in the radio before even charging them and with the volume turned down low the radio ran for 12hrs, it didn`t run out of power but it was bed time. Anyway, the radio seems to go on for hrs on fully charged batteries. I did a test with my Mag-Lite torch that takes 3 x d cells. The bulb is a crypton and I`m not sure of the wattage but it is very bright. It ran for 12hrs before i had to turn it off at bedtime, the brightness was still very good maybe 80% of the start brightness but i didn`t want to let the batteries run right down so not sure how long it would have lasted. these batteries are very heavy as you would expect but boy what performance. Four of those would make a decent motorcycle battery. I purchased another set as they are so good.
I use an Annsman energy 16 intelligent charger BTW

http://www.ebay.co.uk/itm/290587396063?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2648

Dave

 

[Fordulike]

Four of those would make a decent motorcycle battery. I purchased another set as they are so good.
I use an Annsman energy 16 intelligent charger BTW

http://www.ebay.co.uk/itm/290587396063?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2648

Dave

Interesting find
Do these have the potential for making a customized electric bike battery then?

If I calculated correctly, a 36v battery could work out at £150

 

[Old Timer]

Interesting find
Do these have the potential for making a customized electric bike battery then?

If I calculated correctly, a 36v battery could work out at £150

Not sure but it would be very heavy

Nice to hear from you again after all this time.

Dave

 

[flecc]

Interesting find
Do these have the potential for making a customized electric bike battery then?

If I calculated correctly, a 36v battery could work out at £150

Given the weight these seem very high density, and that can sometimes lead to slower discharge rates. So they might be unwilling to discharge at the high 15 to 20 amp rates that most e-bikes need at times.

I'd be more confident about them if tagged rather than button cells, since tagged are mostly made with good discharge rates in mind.

 

[Old Timer]

Given the weight these seem very high density, and that can sometimes lead to slower discharge rates. So they might be unwilling to discharge at the high 15 to 20 amp rates that most e-bikes need at times.

I'd be more confident about them if tagged rather than button cells, since tagged are mostly made with good discharge rates in mind.

Hiya flecc
Yeh! I wouldn`t think they would suffice for the bike or similar but for normal small appliances etc they are superb.

Trust you are keeping well Flecc

dave

 

[flecc]

Yes indeed Dave, thank you for asking. In hospital Monday for an operation, but it's one I welcome having done and not critical. The surgeon says it will be very painful afterwards, but he didn't say it with an evil chuckle so I'm not put off.

With the wonders of the internet I found a couple of online videos of that particular operation being performed and have watched them, so know what to expect!

 

[Old Timer]

Yes indeed Dave, thank you for asking. In hospital Monday for an operation, but it's one I welcome having done and not critical. The surgeon says it will be very painful afterwards, but he didn't say it with an evil chuckle so I'm not put off.

With the wonders of the internet I found a couple of online videos of that particular operation being performed and have watched them, so know what to expect!

All the best and hope all goes well for you

Take care
Dave