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20A PWM Skyking solar charge controller
{{item.currency}} {{pricing}} - Out of Stock
| SKU:SK20 | |||||||||||||||
20A 12/24V PWM Controller with USB. |
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| Why do you need a solar charge controller? A solar charge controller (frequently called regulator) is similar to a regular battery charger, i.e. it regulates the current flowing from the solar panel into the battery bank to avoid overcharging the batteries. (If you don't need to understand the why's, scroll to the end for a simple flow chart). As with a regular quality battery charger, various battery types are accommodated, the absorption voltage, float voltage can be selectable and sometimes the time periods and/or the tail current are also selectable. They are especially suited for lithium-iron-phosphate batteries as once fully charged the controller then stays at the set float or holding voltage of around 13.6V (3.4V per cell) for the remainder of the day. The most common charge profile is the same basic sequence used on a quality mains charger, i.e. bulk mode > absorption mode > float mode. |
What does a PWM solar charge controller do? |
| Solar Charge Controller. |
| Charge Type: | PWM |
| System Voltage: | 12V/24 |
| Max. charge current: | 20A |
| Max. Input Voltage of solar panel: | 55V |
| Max. discharge current: | 20A |
| Self-consumption: | 10mA |
| LVD: | 11.0V ADJ 9V....12V; .2/24V |
| LVR: | 12.6V ADJ 11V....13.5V, .2/24V |
| Float Voltage: | 13.8V ADJ 13V....15V; .2/24V |
| Boost charging: | 14.4V ; x2/24V; Battery Voltage less than 12Vstart boost charging 2 hours |
| Battery Over Voltage Protection: | 16.5V ; x 2/24V |
| Reverse Connection Protection: | Yes |
| Load Over Current Protection: | Yes, each two minutes restart once |
| Dimensions: | 88mm x 160mm x 37mm |
| Weight: 230g | Weight: 230g |
| Warranty: | 1Year |