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electrical:12v:battery_capacity [2017/05/26 19:46] frater_secessus created |
electrical:12v:battery_capacity [2022/09/22 12:19] (current) frater_secessus [C notation] |
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====== C notation ====== | ====== C notation ====== | ||
- | Battery capacity in Amp-hours is written as **C**. | + | **Battery capacity** in Amp-hours is written as **C**. |
+ | |||
+ | C notation | ||
+ | |||
+ | |||
+ | Note: most deep cycle manufacturer' | ||
+ | |||
+ | |||
+ | |||
+ | ===== Examples ===== | ||
- | Examples: | ||
If you have a 200AH battery bank then C = 200AH. | If you have a 200AH battery bank then C = 200AH. | ||
- | If the manufacturer recommends max //chargign// at C/5 the rate should be at or below 40A (200/5). \\ | + | If the manufacturer recommends max //charging// at C/5 the rate should be at or below 40A (200/5). \\ |
- | If the manufacturer recommends | + | |
- | Note: the **usual charge rate** for deep cycle batteries is C/10. Sometimes manufacturers express that Absorption stage is complete((and therefore Float should commence)) when the bank is holding Vabs with C/100 or C/200 of current. | + | If the manufacturer recommends |
If the manufacturer recommends max // | If the manufacturer recommends max // | ||
- | Note: most deep cycle manufacturer' | + | |
+ | If the manufacturer | ||
+ | |||
+ | ===== other than 20hr rates ===== | ||
+ | |||
+ | Because of the Peukert effect, lead bank // | ||
+ | |||
+ | Example: | ||
+ | 1 Hour = .3 \\ | ||
+ | 2 Hour = .5 \\ | ||
+ | 3 hour = .6 \\ | ||
+ | 4 hour = .65 \\ | ||
+ | 5 hour = .7 \\ | ||
+ | 6 hour = .75 \\ | ||
+ | 8 hour = .8 \\ | ||
+ | 10 hour = .85 \\ | ||
+ | 12 hour = .9 \\ | ||
+ | 16 hour = .95 \\ | ||
+ | 20 hour = 1 \\ | ||
+ | 24 hour = 1.05 \\ | ||
+ | 36 hour = 1.1 \\ | ||
+ | 72 hour = 1.25 \\ | ||
+ | 100 hour = 1.30((vhttps:// |