Good Morning everyone ! bank of 48 volts and 200 amp

That's good!

I can surely suggest you to start from this: become a guru of capacity and voltage calculations, and talking about batteries... lets take any random type of battery, the 18650. Please do read the whole

So, to start with: terminology, abbreviations, measurement units. I'd say, it's no good to talk about BMS without knowing what's underneath it.

So, getting back to what OGITC was correctly saying... these are the first things to know:

A = Ampere, we love amperes. We measure current with amperes. So we could measure how many amps (current) are passing though a wire, a nickel strip, a copper bar by using, for e.g., a DMM (multimeter). That measurement will only give us an instantaneous measurement. "Now the TV is using 0.9A"... "Aww good to know"... "0.9A at 230 volts!"... "wow" (obviously the answers are from our other significant person LOL). My whole house in this moment is using:


1.62A of current at 220V. It's an instantaneous measurement.

Ah = Ampere per hour. Oh, this is good, we can measure a capacity with this. We measure our battery capacity with this. Now I'm checking cells capacity, actually it's been my main activity since May. My wife, sun, family, friends and random people met in the street really don't understand why I'm charging cells to discover their effective capacity (LA = Lithium Addiction, search it please). The last cells I checked gave me a capacity of 2047mAh measured today June 25th with an IR of 31, checked in charger n.2 (I have only 3, that's why I'm so slow! But I'm a bit of a noob still). So this cell, a 3.7V cell connected to a load (a load which runs at 3.7V) could give 2.047A for one hour. Obviously if the load only requires 1/10th of 2.047A (0.2047A) to run, then this cell should last 10 hours!

OGITC is OffGridInTheCity

These were some of the first things I learnt! (What about V volts, oh you must know everything of volts and Ohm law; power; resistance, and watts, oh I love watts, it says a lot of things, for e.g. with one number you can rapresent two other numbers, and watts/hour, Wh) ... (Ah, and "battery jargon", SD, SOH, SOC, ...).

And, yes, do ask a load of questions, post diagrams, schemas and photos!

Enjoy,
jes

Hi there Emmanijoa, oh you have a lot of questions I seeThat's good!I can surely suggest you to start from this: become a guru of capacity and voltage calculations, and talking about batteries... lets take any random type of battery, the 18650. Please do read the whole FAQ section here , you can find a good starting kit.So, to start with: terminology, abbreviations, measurement units. I'd say, it's no good to talk about BMS without knowing what's underneath it.So, getting back to what OGITC was correctly saying... these are the first things to know:, we love amperes. We measure current with amperes. So we could measure how many amps (current) are passing though a wire, a nickel strip, a copper bar by using, for e.g., a DMM (multimeter). That measurement will only give us an instantaneous measurement. "Now the TV is using 0.9A"... "Aww good to know"... "0.9A at 230 volts!"... "wow" (obviously the answers are from our other significant person LOL). My whole house in this moment is using:1.62A of current at 220V. It's an instantaneous measurement.. Oh, this is good, we can measure a capacity with this. We measure our battery capacity with this. Now I'm checking cells capacity, actually it's been my main activity since May. My wife, sun, family, friends and random people met in the street really don't understand why I'm charging cells to discover their effective capacity (LA =, search it please). The last cells I checked gave me a capacity of 2047mAh measured today June 25th with an IR of 31, checked in charger n.2 (I have only 3, that's why I'm so slow! But I'm a bit of a noob still). So this cell, a 3.7V cell connected to a load (a load which runs at 3.7V) could give 2.047A for one hour. Obviously if the load only requires 1/10th of 2.047A (0.2047A) to run, then this cell should last 10 hours!is OffGridInTheCityThese were some of the first things I learnt! (What about V volts, oh you must know everything of volts and Ohm law; power; resistance, and watts, oh I love watts, it says a lot of things, for e.g. with one number you can rapresent two other numbers, and watts/hour, Wh) ... (Ah, and "battery jargon", SD, SOH, SOC, ...).And, yes, do ask a load of questions, post diagrams, schemas and photos!Enjoy,jes

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