48V MPPT Solar Charge Controller
Item Title: KOMCO KZA Series High Efficiency Industrial MPPT Solar Controller
Core Logic: Microcomputer Governed Maximum Power Point Tracking Topology
Primary Application: Off Grid Generation Plants, Large Roof Arrays, and Commercial Micro Grids
Interface Readout: Large Screen Chinese and English LCD Status Dashboard
Lead Time: 20 to 25 working days factory production turnaround
Product Introduction
Huizhou Qiangfeng Power Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of 48V MPPT Solar Charge Controller in China. Please feel free to buy durable 48V MPPT Solar Charge Controller made in China here from our factory. All customized products are with high quality and competitive price. Contact us for quotation and free sample.
This 48V MPPT Solar Charge Controller covers 12V, 24V, 36V and 48V banks with automatic detection, charging sealed, gel and flooded lead-acid packs at 40A or 60A. PV input accepts up to 150V open-circuit; rated solar input is 2160W at 48V on 40A, 3200W on 60A. A backlit LCD shows PV voltage, mode, capacity and temperature; charging runs constant current, constant voltage, float. OEM/ODM open worldwide.
Product Details
PV input maximum open-circuit voltage is 150V - this is an upper limit, not the normal operating voltage range. For a 48V battery bank, you can use longer solar panel strings. Before installation, verify your solar array Voc against the 150V limit, and account for Voc rise in cold weather (open-circuit voltage increases as temperature drops). The PV working voltage window is battery voltage +5V up to 150V.
This controller adopts 3-stage charging: constant current, constant voltage and float charging. At 25°C, the charging setpoints (on 12V base) are: 14.4V bulk / 13.6V float for sealed batteries, 14.2V bulk / 13.6V float for gel batteries, 14.6V bulk / 13.6V float for flooded batteries.
It supports oversized solar arrays with built-in current limiting, capping output at rated 40A or 60A. This lets you extend charging time without overloading the unit. For system sizing: match your battery bank to 12/24/36/48V, keep array Voc below 150V, select 40A or 60A controller at 10–20% of battery capacity. Max PV power input: 2160W @ 48V (40A), 3200W @ 48V (60A). 40A matches 200Ah battery packs, 60A matches 300Ah packs.
Built-in protections include input & output over/under voltage, reverse polarity, over-temperature, and load over-current. Install indoors only, maintain 20cm side clearance and 30cm vertical clearance. Every unit is tested for PV input, charging function and protection circuits before shipment. OEM & ODM service is available for custom logo, housing, packaging and parameters. 12-month warranty, 20–25 days lead time.
Technical Parameters
| Item | Specification | |
|---|---|---|
| Model | MV4415FN 40A / MV6415FN 60A | |
| Type | MPPT | |
| Rated battery voltage | 12/24/36/48V auto | |
| Rated charging current | 40A/60A (80A/100A series) | |
| Max PV input | 150V DC open circuit (138V at 25C) | |
| PV input voltage | battery +5V to 150V | |
| Max PV input power | 2160W (40A/48V); 3200W (60A/48V) | |
| MPPT efficiency | >=99% | |
| Conversion efficiency | >=98.5% | |
| Batteries | sealed, gel, flooded; custom parameters for others | |
| Charging | 3-stage CC/CV/float | |
| Display | LCD voltage/mode/capacity/temperature | |
| Communication | local LCD; no RS485 | |
| Protection | in/out over/under voltage, reverse polarity, over-temp, load over-current | |
| Temp | -20C to +50C; storage -40C to +70C | |
| Humidity/altitude | 0-90%RH; 0-3000m; <=50dB | |
| Size/weight | 180 x 300 x 110 mm; 4.3 kg | |
| Warranty | 12 months; lead time 20-25 days |
Our Company
KOMCO is the power hardware line of Huizhou Qiangfeng Power Technology Co., Ltd., founded in 1993 in Guangdong, China - chargers, inverters, stabilizers, MPPT controllers, solar systems; OEM/ODM worldwide.
Our Advantages
Wide PV Voc Window
150V Max PV Open-Circuit - longer 48V strings; check Voc plus cold rise.
Simplified Wiring
Fewer Cable Runs - 150V strings cut re-cabling.
3-Stage Smart Charging
Three-Stage Charging - 14.4/13.6V sealed, 12V basis.
Current Limiting Protection
Current-Limited Output - oversized arrays keep 40A/60A.
Onboard LCD Display
Local LCD - voltage, mode, capacity, temperature.
FAQ
Q: Max PV open-circuit voltage?
A: 150V DC.
Q: MPPT range?
A: Battery +5V to 150V.
Q: Max charging current?
A: 40A/60A; 80A/100A series.
Q: Max PV input power?
A: 2160W at 48V (40A); 3200W (60A).
Q: Battery types?
A: Sealed, gel, flooded; custom for others.
Q: Load without a battery?
A: No - load output follows battery voltage.
Q: Panels in series?
A: Keep Voc under 150V with cold rise; 3 x 60-cell on 48V.
Q: Required charging current?
A: 10-20% of Ah; 200Ah suits 40A, 300Ah 60A.
Q: How to select?
A: Match bank voltage, Voc under 150V, current to Ah.
Q: OEM/ODM?
A: Yes - logo, housing, packing, parameters.
Q: Datasheet before ordering?
A: Yes.
Q: Warranty?
A: 12 months.
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