Best Compensation Controller

Solar Power DIY Handbook: So, You Want to Connect Your Off-Grid Solar Panel to a 12 Volts Battery?

BMS-capable: Most Lithium batteries require BMS boards to protect the battery but the controller itself is able to operate with BMS-less batteries through its diverse set of protection capabilities including over-voltage, over-charge, low-voltage, deep discharge, and over-temperature compensation..

Test, measure and control (doser) pH and nutrients (tds) in solution to make precise up and down adjustments with lab quality probes for use in hydroponic system and grows with reservoirs.
multi-part nutrient dosing with Peripods.
EASY two point calibration for pH sensor, and auto temperature compensation, with backlit LCD display and calibration reminders.
Data logging with Bluelab Connect software (Connect stick sold separately).
24/7 meter for your nutrient and ph level to maximize your grow and ensure plants get the balanced feed they need.
high and low alarm when outside parameters.
tester parameters can be viewed on mobile phone.
Other features: flexible mounting options, replaceable probes, high RF tolerance, units for temperature and conductivity.
KIT INCLUDES Pro Controller, pH/EC/temperature sensor (Peripod pumps sold separately).
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment.
2 Year Limited Warranty with proof of purchase on the controller (6 month warranty for pH probe).

The Celestron focus motor for SCT and EdgeHD enables electronic focusing using a computer or Celestron Computerized mount hand controller for remote/hands-free observing.
Self-powering when connected to a Celestron Computerized mount the mount provides the power When connected directly to a computer USB provides the power.
Compatible with a wide variety of Celestron Schmidt-Cassegrain EdgeHD and Rowe-Ackermann Schmidt Astrograph optical tubes Check description for full list.
Motor controls include multiple speed rates automatic goto indexed Focuser position and Focuser backlash compensation.
Focuser Utility software for Windows provides a simple user interface Also compatible with Celestron PWI.

BMS-capable: Most Lithium batteries require BMS boards to protect the battery but the controller itself is able to operate with BMS-less batteries through its diverse set of protection capabilities including over-voltage, over-charge, low-voltage, deep discharge, and over-temperature compensation..

100A MPPT solar charge controller:12/24VDC automatically identifying system voltage.Support 3 charging(constant current, constant voltage, floating charge) lead-acid battery options: Sealed, Gel, Flooded,Parameter user can reset.
MPPT controller MAX.PV input power:1300W(12V system),2600W(24v system),Battery capacity configuration ≥800AH,Maximum power current 100A,Maximum open circuit voltage (V) ≤96V.
All the Various Real-time data show on one display ,Convenient user to check，the power supply uses ultra low power chip ,reducing static standby power consumption ,reduce energy loss,Automatic temperature compensation function.
Dual USB 5V Output charge 2.4A for phone charging, with function button to "manually" open load or manually close the load. Long press and hold this button for 5 seconds to restore the factory settings.
Full protection:Battery reverse discharge protection,Battery reverse polarity protection,Battery under voltage protection,Overload, short-circuit protection.Aluminum heat sink allows for efficient heat dissipation..

BMS-capable: Most Lithium batteries require BMS boards to protect the battery but the controller itself is able to operate with BMS-less batteries through its diverse set of protection capabilities including over-voltage, over-charge, low-voltage, deep discharge, and over-temperature compensation..

BMS-capable: Most Lithium batteries require BMS boards to protect the battery but the controller itself is able to operate with BMS-less batteries through its diverse set of protection capabilities including over-voltage, over-charge, low-voltage, deep discharge, and over-temperature compensation..

BMS-capable: Most Lithium batteries require BMS boards to protect the battery but the controller itself is able to operate with BMS-less batteries through its diverse set of protection capabilities including over-voltage, over-charge, low-voltage, deep discharge, and over-temperature compensation..

Advanced MPPT technology High tracking efficiency no less than 99.5% Peak conversion efficiency of 98% Accurately recognizing and tracking of multiple power point.
12V/24VDC automatically identifying system voltage.User programmable for 3 battery types: sealed, gel and flooded. Multiple load control method, automatic limit for maximum PV input power, ensuring no overload, more safty for using.
Come with remote meter MT-50, be convenient for real-time data viewing and parameter setting. Battery temperature compensation function, real-time energy statistics function.
Electronic protections: PV reverse polarity protection, PV short circuit protection, PV over current alarm protection, Battery overcharge protection, Battery over discharge protection, Battery reverse polarity protection, Load short circuit protection, Load overload protection, Controller overheating protection.