lavaslippers
Newly Enlightened
- Joined
- May 10, 2015
- Messages
- 2
Hi! I just wrote out a long post only to have it disappear in a page that claimed I wasn't logged in. So here is a short version:
I want to build a battery to take bicycle camping this summer. It needs to have around 12v to charge my portable speaker, and to work with automotive 12v to 5v USB chargers for my phone.
I plan to get a battery like this: http://www.hobbyking.com/hobbyking/store/__16225__ZIPPY_Flightmax_8000mAh_3S1P_30C_Lipo_Pack.html
which is 11.1v 3S lithium polymer.
To make things simply and clean, I want to avoid having multiple plugs such as those with typical balance chargers, so I am looking at this CMB (charge management board) at Battery Space: http://www.batteryspace.com/CMB-for...ck-10A-limit-RoHS-Compliant-with-DC-char.aspx
I like that is protects the battery, it balances the cells and it has a fuel gage. I don't like the wimpy 2.5A charge limit, since this battery is stated as being able to charge at 2C. Being able to fully charge in under an hour is ideal, since where I'll be camping the only AC outlets are at the public area.
I have a couple of questions. What is the difference between a CMB and a BMS? Are there any CMBs that I could expect to pay the same or less for that allow higher current charges of 8+ amps?
Thanks!
I want to build a battery to take bicycle camping this summer. It needs to have around 12v to charge my portable speaker, and to work with automotive 12v to 5v USB chargers for my phone.
I plan to get a battery like this: http://www.hobbyking.com/hobbyking/store/__16225__ZIPPY_Flightmax_8000mAh_3S1P_30C_Lipo_Pack.html
which is 11.1v 3S lithium polymer.
To make things simply and clean, I want to avoid having multiple plugs such as those with typical balance chargers, so I am looking at this CMB (charge management board) at Battery Space: http://www.batteryspace.com/CMB-for...ck-10A-limit-RoHS-Compliant-with-DC-char.aspx
I like that is protects the battery, it balances the cells and it has a fuel gage. I don't like the wimpy 2.5A charge limit, since this battery is stated as being able to charge at 2C. Being able to fully charge in under an hour is ideal, since where I'll be camping the only AC outlets are at the public area.
I have a couple of questions. What is the difference between a CMB and a BMS? Are there any CMBs that I could expect to pay the same or less for that allow higher current charges of 8+ amps?
Thanks!