Questions tagged [battery-storage]

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Battery (e.g, LA, SLA, L-ion) usage recommendation

For the same Capacity requirement, which of the below options is better? 1. Single battery with full capacity (AH) 2. Multiple battery (in parallel) with total same capacity (same AH). For example, ...
2
votes
2answers
75 views

Emergency Shutdown

I am designing a system that is always on. It is powered via POE and it is doing some task that is not mission critical. The system has an embedded system inside that runs Linux. The storage etc are ...
0
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1answer
61 views

Theoretical rechargeable battery capacity question

I have very little energy usage/storage knowledge but my question will hopefully prove to be a simple one. If I have a 120 volt appliance that uses roughly 0.50 kWh a day and 600 watts at peak draw, ...
9
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6answers
3k views

Why don't we think about battery storage for all sources of electricity on a utility scale instead of just renewables? [duplicate]

One of the repeating solutions that comes up when talking about renewable energy power generation and the intermittency of it is battery power storage. This has got me thinking, it takes hours or ...
0
votes
2answers
112 views

Charge AGM battery from car alternator

What is the most efficient way of charging an AGM battery using a car alternator? I have a 12V plug connected to alligator clips which can be used in the 12V sockets inside the vehicle. Is this the ...
0
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0answers
15 views

Maximum battery bank capacity chargeable with a 2000W inverter generator

Using a 2000W inverter generator, what is the maximum capacity of a 12V battery bank that it is capable of replenishing if left on constant charge? In theory I assume that at 12V, a 2000W generator ...
0
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1answer
2k views

Can I store lawnmower Li-Ion batteries in cold storage during the winter? [closed]

I purchased a Li-Ion battery powered lawnmower. I'm not entirely sure what the actual exact battery chemistry is, but I believe it is not lithium iron phosphate due to its voltage typical of non-...
6
votes
2answers
390 views

Stair like discharge voltage profile in AGM battery

please help: I have a string of 14 AGM batteries in series, when discharged at constant current, the voltage has a stair-like shape with respect to time. What does this mean? The batteries are new ...
1
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2answers
53 views

How to calculate battery ratings for your solar panel?

If I want to choose a battery for my solar panel which is required to run a load of 5 kWh/day. Then I will be needing a battery with a rating of above 23 ampere hours since 5 kWh/220 V (since 220 V we ...
1
vote
1answer
476 views

Guide for piezo charging?

İ am currently working on a smart shoe( Dont ask why...) and I am using a 3.7 V 300 mAh li po battery with no drop out during transmissin. But the battery life doesnt last as long as I need it to be. ...
0
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2answers
59 views

Rechargeable Lead Acid Charging [duplicate]

I am planning on using a rechargeable lead acid battery for my tennis ball pitching machine. Is it feasible to hook them up to motors and run the motors until the battery is empty, and then come home ...
0
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3answers
487 views

Conversion of 11,200 MWh to a XX MW facility [closed]

How large of a battery storage facility (in MW) would be needed to supply 11,200 MWh of electricity for 4 hours before becoming completely discharged. The facility would be comprised of lithium ion ...
4
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1answer
1k views

Long term storage of sealed lead acid battery

I was given some brand new sealed lead acid batteries. I have no real need for them right now, but I don't want them to go to waste. I'm trying to figure out the best way to store them, unloaded, for ...