The MidNite Classic 200 is the better charge controller overall, rated 3.1 to 2.8. The MidNite Classic 200 leads on value and features. The MidNite Classic 250-SL costs $17.84 less ($662.16 vs $680).
For off-grid homes and cabins that want a rugged, made-in-USA controller with network monitoring and longer strings than a 150 V unit. Also handles wind and hydro.
Amazon $709 NAZ Solar Electric $680For solar-only off-grid systems that want MidNite’s proven 250 V Classic for less money and can live without Ethernet and arc-fault protection.
Amazon $685 NAZ Solar Electric $662.16Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every MPPT solar charge controller; a clear win is highlighted. How we rank explains each one.
| Factor weight | MidNite Classic 200 | MidNite Classic 250-SL |
|---|---|---|
| Overall rating | 3.1/5 | 2.8/5 |
| Value 35% | 19 $8.61 per amp of charge current | 0 $11.04 per amp of charge current |
| Features 25% | 40 temperature sensor, 200 V PV input; no Bluetooth | 30 temperature sensor, 250 V PV input; no Bluetooth |
| Efficiency 20% | 50 efficiency not published (neutral score used) | 50 efficiency not published (neutral score used) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
| MidNite Classic 200 | MidNite Classic 250-SL | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 79 A | 60 A |
| Battery voltage | 12/24/36/48/60/72 V | 12/24/36/48/60/72 V |
| Lithium profile | No | No |
| Custom profile | Yes | Yes |
| Temperature sensor | Included | Optional extra |
| Inputs | ||
| Max PV voltage (Voc) | 200 V | 250 V |
| Max PV power (12 V) | 1,137 W | 878 W |
| Max PV power (48 V) | 4,550 W | 3,212 W |
| Monitoring and build | ||
| Bluetooth | No | No |
| Display | Yes | Yes |
| Load output | No | No |
| Parallel units | Yes | Yes |
| Cooling | fan | fan |
| Water resistance | Type 1 (indoor) | Type 1 (indoor) |
| Dimensions | 378 x 151 x 102 mm (14.87 x 5.95 x 4.00 in) | 378 x 151 x 102 mm (14.87 x 5.95 x 4.00 in) |
| Warranty | 5 years | 5 years |
| Released | 2011-11 | - |
