Must PC28-10025F 100A MPPT 245V Solar Charge Controller

Must PC18-10025F 100A MPPT Solar Charge Controller | 245V PV Input | 12V/24V/48V Auto | LCD, RS485 & USB | Lithium, Gel & Lead-Acid Compatible

Stop losing solar power you already paid for.

The Must PC18-10025F is a 100A MPPT solar charge controller built to pull the maximum energy from your panels and deliver it safely to your batteries. It tracks the maximum power point at up to 99% efficiency, so you get more usable power per panel, especially in the early morning, late afternoon and cloudy conditions.

With a 245V maximum PV input, you can wire panels in higher-voltage strings, which means thinner cables and lower losses. It auto-detects 12V, 24V and 48V battery banks (36V by manual setting), and charges lithium, gel, AGM and flooded lead-acid batteries with a multi-stage profile that extends battery life.

Whether you’re cutting generator and fuel costs, backing up your home or office against power outages, or running a small business off solar, this controller is a dependable core for your system.

What’s in it for you:

• More energy from the same solar array

• Longer battery life through multi-stage and equalized charging

• Easy monitoring on the LCD, with RS485 and USB for connectivity

• Safer operation with built-in electrical and thermal protection

Certified to CE and UKCA safety standards (IEC 62109-1). Wall-mount design, with fan cooling for steady performance.

Key Features

• 100A MPPT, 99% tracking efficiency: Harvests more power from your panels than a PWM controller, with 98% peak conversion efficiency. That means faster battery charging and fewer wasted sun hours.

• 245V max PV input: Wire panels in longer series strings (24V, 36V and 48V battery systems) for lower cable losses and a cleaner install. Supports arrays up to 6,250W on a 48V battery bank.

• 12V / 24V / 48V auto-detect, 36V manual: One controller for home, shop, office and small commercial solar setups.

• Works with lithium, gel, AGM and flooded lead-acid batteries: 3-stage charging, parallel charging and equalized charging protect battery life.

• Smart monitoring and control: LCD screen, battery remote temperature sensor terminal (BTS), and RS485 and USB ports for system integration.

• Full protection suite: PV short circuit, PV and battery reverse polarity, overcharge, output short circuit, high-voltage and high-temperature disconnect.

Technical Specifications

• Model: Must PC18-10025F (PC1800F Series)

• Max charging current: 100A continuous @ 40°C ambient

• Battery voltage: 12V / 24V / 48V auto-detect; 36V by setting

• Max PV input voltage: 100V (12V battery); 245V (24V, 36V, 48V battery)

• MPPT voltage range: 15-95V (12V); 30-230V (24V); 45-230V (36V); 60-230V (48V)

• Max PV input power: 1,560W (12V); 3,120W (24V); 4,680W (36V); 6,250W (48V)

• Efficiency: 98% peak conversion; 99% MPPT

• Max DC load current: 100A

• Battery types: Lithium, gel, AGM, flooded lead-acid

• Communication: RS485 and USB

• Display: LCD

• Operating temperature: -10°C to 55°C

• Cooling / mounting / rating: Fan cooling; wall mount; indoor use, IP20

• Certification: CE (LVD, EMC), UKCA

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FAQ

Q: How many panels can the Must PC18-10025F handle?
A: On a 48V battery bank it accepts up to 6,250W of PV input. Keep the open-circuit voltage of your series string under 245V (100V on a 12V battery).

Q: Can I use it with lithium batteries?
A: Yes. It charges lithium, gel, AGM and flooded lead-acid batteries.

Q: Is it MPPT or PWM?
A: MPPT, with up to 99% tracking efficiency.

Q: Is it for indoor or outdoor use?
A: Indoor wall-mount (IP20). Install it in a ventilated indoor space.

Q: What battery voltages does it support?
A: 12V, 24V and 48V with auto-detection, plus 36V by manual setting.