Forum Discussion
Almot
Feb 10, 2017Explorer III
brulaz wrote:
My Rogue (and PD charger) only does 2 stage.
But at least the Rogue allows me to set the amps cut-off for absorb stage as well as the time.
If this is the Rogue I know - it is a 3-stage controller.
Bulk - amps and volt rise, Absorb - volts are constant and amps are tapering slowly, and Float. It would switch to Float when either a) amps hit preset value (user adjustable), or b) timer expires (also user adjustable). The timer is allowed to override the current-based transition.
IIRC, Rogue can be set to allow to overshoot the setpoints, - or it won't exit the stage until the parameter exceeds preset value by certain amount, and this amount can be user-adjustable. Check the manual, it's very well written. Myself haven't read it for long time, following the rule "it works - don't fit it". The system just works.
Panel wattage is the king, normally. Never worried about +100% charge thing, or even getting a monitor - batteries go into Abs before noon. An array of 12V panels in parallel and with partial shading is a difficult scenario, something needs to be sacrificed, isn't going to be perfect no matter what.
Bogart PWM works nice when paired with Bogart battery monitor, and only when paired so. Having their monitor is a requirement.
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