SKU: 51269506050

MidNite Solar Classic 250-SL MPPT Charge Controller - CLASSIC 250-SL

$371.08 $412.31
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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30

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Description

MidNite Solar Classic 250-SL MPPT Charge Controller - CLASSIC 250-SLThe MidNite Solar Classic 250 is a high power MPPT charge controller designed for off grid solar, wind, and hydro systems up to 250VDC input. With Arc Fault and Ground Fault protection built in, free web monitoring via the MidNite Local Application, and exclusive HyperVOC for cold climates, it delivers up to 63 amps of charging current for 12V to 72V battery banks. Ideal for large off grid residential, cabin, or remote renewable energy installations,

The MidNite Solar Classic 250 is a high-power MPPT charge controller designed for off-grid solar, wind, and hydro systems up to 250VDC input. With Arc Fault and Ground Fault protection built in, free web monitoring via the MidNite Local Application, and exclusive HyperVOC for cold climates, it delivers up to 63 amps of charging current for 12V to 72V battery banks. Ideal for large off-grid residential, cabin, or remote renewable energy installations, especially those with long wire runs. Made in the USA.

Key Features & Benefits

High Output Current: Delivers up to 63A depending on battery voltage (see power table below).

Wide Battery Voltage Support: Works with 12V, 24V, 36V, 48V, 60V, and 72V battery banks.

Battery Types: Flooded, AGM, Gel, Calcium SMF, Lithium (with BMS), Custom

250VDC Operating Voltage + HyperVOC: Exclusive HyperVOC extends VOC limits for cold climates up to 298V (non-operating safety zone). Ideal for long PV wire runs (over 180 feet) and higher voltage arrays.

Multiple DC Input Sources: Supports solar, wind, and hydro MPPT modes – versatile for any renewable energy source.

Built-In Arc Fault Protection (AFCI): Meets NEC 2014/2017/2020 690.11 requirements with 0.25 second detect and trip speed.

Built-In DC Ground Fault Protection (GFP): Integrated, resettable GFP meets NEC requirements – no external GFP device needed.

Free Web Monitoring: Use the MidNite Local Application or MyMidNite secure service to monitor your Classic remotely.

High Efficiency (98%): Maximizes energy harvest from your renewable source.

Built-In Data Logging: Stores 380 days of daily history and 24 hours of data at 5-minute intervals.

Dual Programmable Auxiliary Outputs: Two AUX outputs for load control, generator starting, low battery disconnect, or logic input from a lithium BMS.

Terminals Rated for 75°C: Accepts #14 to #4 AWG copper wire.

5-Year Warranty: Backed by a 5-year standard warranty with an extended service program available.

Made in the USA: Designed and assembled in Arlington, Washington.

Technical Specifications

Specification Detail
Manufacturer MidNite Solar
Model Classic 250
Nominal Battery Voltage 12V, 24V, 36V, 48V, 60V, 72V
PV Open Circuit Voltage (VOC) 250V + HyperVOC (up to 298V non-operating)
Max Output Current Rating 63 Amps
Power Conversion Efficiency 98% (typical system)
Stand-By Self-Consumption (12V) 2.8W – 4W
Reverse Current at Night Zero (internal relay)
DC Input Modes Solar, Wind, Hydro
Charging Regulation Bulk, Absorb, Float, Equalization (Auto or Manual)
Battery Voltage Set Points 10 – 100 VDC
Equalization Charging Adjustable voltage and duration (Auto or Manual)
Battery Temp Compensation Automatic with included BTS, adjustable mV/°C
Arc Fault Protection Built-in (adjustable sensitivity, 0.25 sec detect)
Ground Fault Protection Built-in, resettable, no fuse to blow
Operating Temperature -40°C to +50°C (auto-derates above 25°C)
Environmental Rating Indoor Type IP30 (IP22 with optional Drip Shield)
Conduit Knockouts One 1" left/right, two 1" bottom, two 3/4" back
Warranty 5 Years

Maximum Output Current by Battery Voltage

Battery Voltage Maximum Output Current
12V 61 Amps
24V 62 Amps
48V 55 Amps
72V 43 Amps

Electrical & Connectivity

Feature Detail
Programmable Aux Outputs 2 (Aux1: 12V or dry contact, Aux2: 12V or logic input)
Whiz Bang Jr. Port Yes
Networking (Follow-Me) Standard 4-conductor phone cable, no hub needed
Communications ModBus over Ethernet and RS232 (open protocol)
Remote Monitoring Local Application, MyMidNite (free, secure web service)
Remote Display MMGP included – can be relocated or second added
Data Logging 380 days daily history, 24 hrs at 5-min intervals
Positive Ground Applications Requires 2-pole input and output breakers
Terminal Rating 75°C

Mechanical Specifications

Specification Detail
Dimensions (L x W x H) 14.9 x 6 x 4 in (378 x 152 x 102 mm)
Weight 12 lbs (5.45 kg)
Wire Gauge (PV/Battery) #14 to #4 AWG copper, 75°C minimum
Wire Gauge (AUX) Up to #18 AWG
Torque Connections 25-50 in-lbs (depending on wire gauge)

Agency Approvals

Standard Compliance
UL 1741 Distributed Energy Resources
CSA C22.2#107.1 General Use Power Supplies
FCC Part 15 Class B
CE Certified Yes
ETL Listed US & Canada

Included with Classic 250

Item Quantity
Classic 250 charge controller 1
MMGP graphical display 1
Battery temperature sensor (MNBTS) 1
Printed user manual 1
Knockout covers 3
Parts bag (stickers, terminal cover, silicone grease) 1

Product Documents

Sizing Tool: Online Tool Link

Spec Sheet (Front/Back): Download PDF

User Manual: Download PDF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51269506050

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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
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Verified Purchase
LRL
West Palm Beach, US
★★★★★ 3
Great Product, But Non-Existent Seller Support
Size: 6 Panel-119"W, Color: Black, Size: 6 Panel-119"W, Color: Black
The Good: Well Designed: Sturdy and aesthetically pleasing. Effective: Perfectly obstructs the afternoon sun glare from my monitor screens. Moderate Assembly: Straightforward and easy for the most part. The Bad: Defective Part: One crossbar end was missing threads, preventing the assembly of the sixth panel. Zero Communication: I emailed the seller as instructed and waited 8 days with no acknowledgment. Return Logistics: Amazon offered a return, but the box is heavy, and disassembly/repackaging would be a major task. Final Verdict I really like this product, but I’m deducting two stars for a total lack of customer service. I’ve decided to buy tools and fix it myself rather than deal with a heavy return. I hope the seller sees this and reaches out. The lesson learned is to check every part of a product before assembly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
A
Verified Purchase
Andrea Jagarnauth
Draper, US
★★★★★ 5
This is definitely a buy
Size: 6 Panel-119"W, Color: Black
Excellent product.Good Quality.Very sturdy .Easy to assemble.Provide privacy and keeps the light out just what I needed.I am happy to recommend this divider .Do not hesitate to buy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 7, 2024
S
Verified Purchase
Shae G
Lake Worth, US
★★★★★ 5
Clean Look, Sturdy — can’t ask for more!
Size: 6 Panel-119"W, Color: Grey, Size: 6 Panel-119"W, Color: Grey
Really like how it folds so I can create kind of a doorway with two of these. Pretty easy to assemble and has an uncluttered clean look due to the smooth fabric and nice color. Oh and it’s sturdy enough for pets.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2024
W
Verified Purchase
WW
West Palm Beach, US
★★★★★ 5
Very useful
Color: Black
I’ve been using this room divider to separate my space from my daughter’s, and it has worked out really well. It provides just the right amount of privacy while still keeping the room feeling open and comfortable. The design is simple yet stylish, so it blends nicely with our decor. It’s also lightweight and easy to move when needed, which is a big plus. The material feels durable and well-made, not flimsy at all. Overall, it’s a practical and attractive solution for shared spaces, and I’m very happy with this purchase. I would definitely recommend it to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
A
Verified Purchase
Amy
Carnegie, US
★★★★★ 5
Great Room Divider
Color: Black
This product is a great room divider that decent quality and worth the price tag. The look is sleek and fits seamlessly into any room without complaint. The assembly was easy to follow and the quality is long lasting. Not only that, I need it as my sons share a room and we’re looking for some privacy. The divider is able to extend across a decently large area really divide the room as it has 4 panels. Overall, this is a great product for its cost and if your looking for a room divider that’s not too costly, this is the pick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026

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