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I saw some similar breakers to those on Amazon.? The ones you mention below have a 50V rating.? The peak charging voltage for a 48V battery system is ~56V.? ? I'm reluctant to use a breaker

Maybe these will work for

I'm using a 48V E-bike battery pack in a proof of concept type experiment.The battery pack is rated at 20Ah, with a discharage of 50A, and max discharge of 100A. The electric motor can pull up to

The distributor is General Electronics. I found them on Alibaba.com. I have attached the spec sheet. My batteries are due in to Toronto in the next day or so and when I get them I will post something

Hey Phil, Can you share your China source of LifePo4? That looks like a great price! If I’m doing my math right that’s over 800 AH at 12v? Or am I missing something? Thanks, g

Interesting discussion. I hadn't considered the current draw of a balancing BMS on a LiFePO4 pack. I had thought about the (slight) risk of a balancing MOSFET failing and bringing down the pack, so I

Thank you for the infoEverybody was telling me to just keep the bms powered all the timeI wasn’t sure so I added switches to the bms power so I can switch them offSince I’m usually gone a lotBut

To clarify, I meant you should always use the correct charger with the correct settings and not solely rely on a BMS as your only means of not overcharging on at the pack level. Individual cell

I’m not so sure that “the BMS should only be used in case the charger fails”---if the charger fails ON, even a BMS will probably be useless to stop it. Same story for a charger that fails by

To piggy back on what Tom said,? Its best practice to have two means of protecting batteries. On the charge side, the charger have the correct charge profile and the BMS is secondary and should only

MARTIN: Since you have expertise, I hope you'll agree that the acronym 'BMS' stands for battery management system, but that what some people are referring to as a BMS is actually a battery protection

Some bms can be customized to have a high and low bms cut offs like the ant bms I useBut since I draw too many amps I cannot use it unless I add an external contactor (maybe one day...)So I just use

Martin, Thank you.? You have answered a lot of my questions.? Regarding my AGM charger, it may be even worse than "sub-optimal".? That charger finishes its charging cycle with a desulfation

I've been working on a team in Germany developing some lithium batteries and BMS for outdoor and marine usage. There are huge differences in BMS quality and feature sets but what almost every Lithium

Wow!? Thank you for all the responses.? I will investigate all your suggestions further.? One topic that came up but has me confused is the BMS needed for LiFePo4 batteries.? From past research, I

Valence 12.8V are going for $350ea at Thunderstruck. The BMS is $250. For the batteries, this seems high.

I still use flooded lead acid --- on a 1920 Milburn electric car I own. Its Interstate golf cart (T105 style) batteries are pushing 9 years now (time flies). Last year I wanted to drive the ol' car

look at the used valence batteries, thunderstruck and others have them. they are a super value plus the bms is easy to use.

I'm in the same position, after 10 years my Trojan flooded T145s are showing 'voltage depression' rather rapidly. They will have to be replaced before next season. I'm sort of in the sane position,

It was explained to me by a local battery authority that Charging method changes. Constant voltage is agm charge method.? ?Constant current -constant voltage is lifepo4 charge method. It can charge