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Frequently Asked Questions (FAQ)
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Question 
Below you find a list of Frequently Asked Questions. Please read them all and any references that may be linked. This will help a lot in the understanding and language used in this forum.

If there are any suggestions, tweaks, additions, etc that you think should be added, please add them here: FAQ Suggestions

Please note that clicking on the links below currently will open the link in a new tab. If you just want to scroll down through the questions, they are in numerical order according to the following order.

1. Definition of Battery, Pack, Module, Cell - What are they?

2. What is a serial connection (connection in series) and a parallel connection (connection in parallel)?

3. Electrical units / Electrical characteristics of a battery:
- What is V (Volt), A (Ampere), W (Watt), Ah (Amperehour) and Wh (Watthour)?
- What is capacity and energy?
- What is their relation to each other?


4. Why are 12V, 24V and 48V widely used defaults?

5. What lithium configuration do I use for 12V? 3S or 4S?

6. I see 14s80p or 7s16p, what does S and P stand for? 
- What is xS, yP or xSyP with x and y being numeric digits?
- Is there a difference between 14s80p and 80p14s?


7. Charge Controllers and Solar Panel Specifications:
- What are MPPT and PWM solar charge controllers and what is the difference?
- What is better?
- What should I go for?
- How to read the specification of solar panels?[/b]


9. What size of wire / fuse wire should I use?

10. What do I do if I want a 1kWh battery?

11. What's all this about the different chemistries?

12. Inverters:
- What type of inverter should I use?
- What is a hybrid/grid-tie inverter?


13. Inverter: What size inverter should I get?

14. Fuses:
- Do I need them?
- What kind/type to use?
- Where to use them?


15. Active Balancing vs Passive Balancing

Courtesy:
DarkRaven who put together the majority of this FAQ


Quote:DISCLAIMER: I am by no means an expert on any one or all of these fields/questions/topics. The results of this FAQ is a collaboration of multiple different members to come up with a common list of questions that would be asked and we have tried to answer. I was the member who was chosen to post the FAQ. If you have question that goes beyond the FAQ, please post your questions in the relevant section pertaining to your inquiry. Thank you and have a nice day
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