Overview
| Color | Black |
| Brand | HQST |
| Voltage | 48 Volts (DC) |
| Display Type | LCD |
| Operating Temperature | 113 Degrees Fahrenheit |
- Bluetooth APP Control & LCD Display：With a built-in Bluetooth module, you can download the “”ChargePro 2.0″” (new version) or “”PVChargePro”” (old version) app for real-time monitoring, which stores 300 days of historical data. The LCD screen and buttons on the machine allow you to check device operating data and modify controller parameters. Note: Bluetooth connection is effective within a 10m/33ft range (in an unobstructed area).
- Low-Temp Cut-Off Protection for LiFePO4：This HQST 100A MPPT solar charge controller features low-temp charging (below 32℉) and discharging (below 5℉) cut-off protection for LiFePO4 batteries, preventing damage to your valuable batteries. You can manually switch on and off this function. This controller can also activate dormant LiFePO4 batteries that have turned off due to over-discharging.
- Improved High-Efficiency Charging：The HQST 100A MPPT charge controller uses advanced MPPT technology, achieving a high tracking efficiency of up to 99% and a peak conversion efficiency of 98.7%, which is about 30% higher than PWM. This maximizes energy from your solar panels to charge your system. It supports 12V, 24V, 36V, and 48V battery systems and is compatible with lithium iron phosphate (LiFePO4), sealed, AGM, GEL, flooded, and user-customized battery types.
- Parallel Charge Extension Function：To increase the charging current for your single battery bank system, you don’t need to reinstall the entire solar panel system. You can connect up to 9 of our MPPT controllers (M4880F/M48100F models) together using parallel charge cables (not included) to charge the same battery pack, meeting high power charging requirements. Ensure all controllers are set to the same battery voltage.
- Active Cooling Fan System & Comprehensive Safety Protection：Two built-in fans start cooling automatically when the charge controller runs at high power or exceeds 113℉, ensuring consistent efficiency. Our negative grounding controller offers 10 protections against overcharging, over-voltage, over-current, overheating, and reverse polarity, maximizing protection against system faults and installation errors.
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Review lord Verified Buyer –
Absolutely love it, simple and to the point, stackable and does a good job.
If it had a higher max pv voltage it would be a 5 star mptt charger.
David Price Verified Buyer –
It runs BUT IS realistically NOT a 100A charger – or maybe only if you are using 48V batteries. The most charging amperage I could get with 1800W of panels running in series for a “strong” 900W of available power was a mere 45 Amps for a 12V system in clear-day direct early afternoon sun. The wire connectors are tiny and not robust – 2AWG seems over-optimistic. The fan wails loudly almost constantly. My Renogy Rover 60A controller is probably twice as robust as this and operates quietly under same conditions. This unit really doesn’t really have very many parameters you can set compared to my Rover 60A. I doubt this unit will make it the 5 years I have run my Rover 60A but I was sucked in by the B.S. 100A claim. I’ll need to return this and get another Rover 60A and run them in parallel.
Alex Verified Buyer –
Anonymous Verified Buyer –
The host balancing cable only works for 20a, 40a, 60a hqst controllers. The hqst balancing cable does not work for 80a and 100a models. Hqst says you have to diy your own but hqst has no schematic for the connectors and wiring. Hqst doesn’t know how to do this becuase hqst just rebranded the 80a and 100a controllers and have no technical support for it.
Bryan Spicer Verified Buyer –
Much more information and adjustment options
Wayne Smith Verified Buyer –
UniversalMindSpace Verified Buyer –
This solar controller seems to do really well. The app could use more features. You have to be fairly close to connect to it via Bluetooth. But it is nice to get data on it live. I might use an old cheap smart phone connected to it in my bedroom and mounted on the wall for easy reference and viewing.