electrical:12v:parallel_serial
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electrical:12v:parallel_serial [2017/07/31 07:01] frater_secessus |
electrical:12v:parallel_serial [2020/07/03 22:50] frater_secessus [parallel-serial] |
====== parallel-serial notation ====== | ====== parallel-serial ====== |
| {{ http://www.12voltbattery.info/images/content/batteryWireDiagram.jpg?150}} |
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| Electrical components like [[electrical:12v:deep_cycle_battery|batteries]] and [[electrical:solar:panels|solar panels]] can be used independently or combined. If combined, they are connected //in series// or //in parallel//.((more complicated arrangements are possible; see below)) |
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| **Series** connections **double the voltage** while the current (or capacity in Ah when dealing with batteries) remains unchanged. |
| * common example: 2 6v, [[electrical:12v:battery_capacity|200Ah]] [[electrical:12v:deep_cycle_battery#v_golf_cart_batteries|golf cart batteries]] in series = a 12v, 200Ah battery //bank//.((a bank acts as a single unit, not as two separate batteries)). This is a recommended configuration. |
| * less common example: 2 12v, 90Ah batteries in series = a 24v, 90Ah battery bank. |
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| **Parallel** connections **double the current** while the voltage remains unchanged. |
| * common example: 2 12v, 90Ah batteries in parallel = a 12v, 180Ah battery bank. This is not a recommended configuration. It is not due to any shortcoming of parallel connections; [[electrical:12v:deep_cycle_battery#chain_store_batteries|12v "deep cycle" or marine batteries]] are rarely real deep cycle batteries and suffer from the treatment van life dishes out. |
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| [[https://caravanchronicles.com/guides/how-to-connect-two-batteries-in-parallel/|{{https://caravanchronicles.files.wordpress.com/2013/02/connecting-two-batteries-in-parallel.jpg?400}}]] |
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| Wide parallel configurations (like 4S) are difficult to [[https://www.impactbattery.com/blog/post/how-to-charge-marine-and-rv-batteries-in-parallel|charge/discharge evenly]] without exotic cable configurations. |
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| ===== notation ===== |
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When discussing multi-battery banks it is common to describe the electrical layout with a particular notation. | When discussing multi-battery banks it is common to describe the electrical layout with a particular notation. |
electrical/12v/parallel_serial.txt · Last modified: 2024/01/03 14:15 by frater_secessus