Store Solar Energy into Battery / Inverters

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Shubham_41

Commendable
Nov 24, 2016
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I'm having 2 Solar Panels. Both Having Following Config:-

Power (Pmax):- 12 W
Voltage (Vmax):- 17.5 V
Current (Imp):- 0.68 Amp
Open Circuit Voltage (VOC): -21 V
Short Circuit Tolerance(Isc) : 0.74 A

I connected them Serially and I am getting following Output:-
Total Power:- 24 W
Voltage:- 35 V
System Current 0.6857 Amp
Panel Efficiency:- 0.132

While in Parallel the following Output:-
Total Power:- 24 W
Voltage:- 17.5 V
System Current 1.3714 Amp
Panel Efficiency:- 0.132

Now I want to Store this Energy into Batteries or Solar Inverters for Future Use.
Can you help me Pick up the right Battery and Inverter?
 
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Shubham_41

Commendable
Nov 24, 2016
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1,530

But Should I Connect them in Serial or Parallel
 
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kanewolf

kanewolf

Titan
Moderator
May 29, 2013
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It will depend on the controller. Generally, you want solar panels in parallel so that if one fails the entire array is not out.
 
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Shubham_41

Commendable
Nov 24, 2016
48
0
1,530

And What Capacity Batteries should i choose

 
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kanewolf

kanewolf

Titan
Moderator
May 29, 2013
37,237
3,248
156,790
With 24W total, you don't have very much capacity. What I saw advertised for 12W solar was about the size of a laptop. Something that size would usually charge a gel cell like is used in a security system or UPS. Something about the size of a large book. So you could charge cell phones or a laptop, but I wouldn't expect too much with 24W solar capacity.
 
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