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HiTech's avatar
HiTech
Explorer
Feb 23, 2013

Initial test manual home brew $8 MPPT controller

The $8 (plus shipping) laptop DC to DC Power Supply (i.e. the guts of a laptop power supply) quick initial results: Early morning sun it puts out a few hundredths of an amp into the battery but i...
Salvo's avatar
Salvo
Explorer
Feb 24, 2013
How do you figure? I can only visualize reduced current compared to pwm. From a price/performance point of view, it's hard to beat pwm.

Sal

ktmrfs wrote:


and for $8 I'll bet it is a worthwhile improvement in current over a PWM controller and $200 less than a MPPT controller.

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