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--- electrical:12v:parallel_serial [2017/05/26 19:30]
frater_secessus created
+++ electrical:12v:parallel_serial [2024/07/11 12:38] (current)
frater_secessus [parallel-serial]
@@ Line 1: / Line 1: @@
-====== parallel-serial notation ======
+====== parallel-serial ======
+{{ http://www.12voltbattery.info/images/content/batteryWireDiagram.jpg?150}}
+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))  For the following examples we will consider //two items// -- batteries, solar panels, etc.
+**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.
+**Parallel** connections **double the current** while the voltage remains unchanged.
+  * common example:  2 12v, 90Ah batteries in parallel = a 12v, 180Ah battery bank.
+[[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}}]]
+Wide parallel configurations (like 4P) 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.
+===== notation =====
 When discussing multi-battery banks it is common to describe the electrical layout with a particular notation.
@@ Line 7: / Line 24: @@
 Examples:
-  * **2p1s** - two batteries in parallel, as one finds in the common 2x6v GC battery setup
-  * **1p2s** - two batteries in series, as one finds in 2x12v 24v systems
-  * **2p2s** - two batteries in parallel, linked in series to another set of batteries in parallel, as one finds in higher-capacity 2x2 6v setups
   * **1p1s** - a single battery
+  * **1p2s** - two batteries in series, as one finds in the common 2x6v GC battery setup
+  * **2p1s** - two batteries in parallel
+  * **2p2s** - two sets of batteries in parallel linked in series as one finds in higher-capacity GC-based setups

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