Panasonic NN-SN686S Microwave: Even Cooking & Fast Defrost

Panasonic NN-SN686S Microwave

amazon.com
4.2 (8.5K reviews)
In Stock
$167.95
Updated: August 3, 2026
Price as of Aug 3, 2026. We earn from qualifying purchases.

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On busy evenings, pulling frozen chicken from the fridge for dinner often means dealing with uneven thawing and last-minute adjustments. This 1.2 cubic foot microwave changes that with Inverter Technology for steady power that cooks evenly from edges to center, plus Turbo Defrost to speed things up without overcooking. After a few days, the Genius Sensor starts feeling spot-on for presets like soup or pizza, keeping meals fresh via the Keep Warm option-though setting the 12-hour clock and child lock takes a quick initial run-through.

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Who Is This Product For?

This microwave suits people in their mid-30s to mid-50s who manage work and home cooking in compact suburban kitchens or urban apartments. Think couples with one or two kids rushing weeknight dinners, or empty-nesters reheating leftovers without much counter space to spare. It fits those frustrated by microwaves that leave food with icy centers or dry edges during defrosting, or who need quick, reliable results for breakfast oatmeal or after-school snacks amid tight schedules.

Key Features & Benefits

Inverter Technology

This delivers a steady stream of power at all levels, unlike traditional on-off cycling that causes uneven results. In daily use, it means reheated meals stay moist from edge to center, especially useful when warming soups or casseroles after a long day, reducing the need to stir midway.

Genius Sensor

The sensor detects steam from cooking food and automatically adjusts power and time, with 14 presets for items like pizza, popcorn, or pasta. It simplifies mornings by handling oatmeal without timing guesswork, freeing you to start coffee while it works.

Turbo Defrost

This speeds up thawing by providing consistent power tailored for frozen items. For weeknight prep, it cuts time on chicken or ground beef compared to standard models, so meat is ready to cook sooner without partial cooking on the outside.

Compact Design

With a 13.4-inch turntable and external dimensions of 12-1/4 x 20-11/16 x 15-13/16 inches (H x W x D), it’s thinner and lighter for countertop or built-in setups. In smaller kitchens, it leaves more room for other appliances, though larger platters might need cutting food to fit.

Keep Warm Function

It maintains gentle heat for soups, gravies, or desserts until serving. Practical after school runs, when dinner sits without drying out, keeping flavors fresh over 20-30 minutes.

Child Lock and Delay Start

The child lock prevents accidental operation, while delay start schedules cooking. Families notice fewer interruptions from kids on counters, and it lets you set oatmeal to finish when you wake up.

What to Consider When Buying

Focus on how it matches your space and routine. Check if the 1.2 cubic foot capacity and 1200-watt power handle your portion sizes-it’s solid for 1-4 people but might require batches for crowds.

  • Measure counter or cabinet cutout precisely; the depth of 15-13/16 inches can surprise in tight spots.
  • Think about daily wipe-downs, as fingerprints show on stainless steel.
  • Avoid overlooking power draw at 1480 watts-ensure your outlet handles it without tripping breakers.
  • Common mistakes include assuming all inverters defrost equally fast, or skipping child lock demos if kids climb counters.
  • Durability holds up over years, but membrane keypad wears from heavy pressing.

How to Choose the Right One

Start by listing your top needs: even defrost for meats, sensor for presets, or slim profile. Compare turntable size to your dishes, and test presets mentally against weekly meals. Checklist: Does it fit your space? Match power to outlet? Include lock for safety? If defrost speed and steady heating top your list from past uneven results, this aligns well. Prioritize built-in trim kits if remodeling.

Why This Is a Smart Choice

Over months, the inverter and sensor lead to fewer ruined reheats, saving time on adjustments during busy evenings. Users in small kitchens appreciate the space efficiency, and features like keep warm fit irregular schedules without extra effort. It handles routine tasks reliably, with gradual consistency building trust-defrosts improve from first use, though monitoring large items still pays off.

Care & Maintenance Tips

Regular cleaning keeps it running smoothly, focusing on vents and door for steam buildup.

  • Wipe interior weekly with a damp cloth and mild soap after greasy foods; avoids odor carryover.
  • Run a bowl of lemon water monthly to freshen and loosen spots.
  • Avoid metal utensils on the turntable-use glass or microwave-safe plastics.
  • Lock it when not in use if kids are around, and unplug during storms.
  • After heavy use, the keypad buttons firm up slightly, but a soft press works fine long-term.

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FAQs

Q: How evenly does it heat compared to my old basic microwave that always leaves cold spots?

A: The Inverter Technology provides a steady stream of power instead of pulsing, so reheated leftovers or casseroles come out even from edges to center without the usual hot-cold patches. Users in busy households notice this especially when prepping weeknight meals like frozen pizzas. It takes a bit of getting used to the presets, but results stay consistent over time.

Q: Will this fit in a tight spot under my kitchen cabinets?

A: External dimensions are 12-1/4 inches high by 20-11/16 inches wide by 15-13/16 inches deep, making it slimmer and lighter than bulkier models for countertop or built-in setups. The 13.4-inch turntable handles standard plates fine, though very oversized trays might need trimming. Internal space measures 9 15/16 by 13 15/16 by 14 3/8 inches, leaving room for most daily dishes.

Q: What’s defrosting like for chicken straight from the freezer on a rushed evening?

A: Turbo Defrost uses the Inverter to speed up thawing evenly, cutting time on items like chicken without partial cooking or icy centers. It works well for ground meats or poultry up to a couple pounds, fitting family dinner prep. Expect to check midway for thicker cuts, as with any microwave.

Q: Can I rely on it to keep soup or gravy warm while waiting for the kids after practice?

A: The Keep Warm feature holds temperatures steady for soups or desserts without drying them out, ideal for those 20-30 minute delays in evening routines. It pairs nicely with the delay start if you’re heading out briefly. Just stir before serving to refresh the top layer.

Q: How simple is cleaning up after a popcorn spill or boiled-over oatmeal?

A: Wipe the stainless steel exterior and membrane keypad with a damp cloth, as the smooth surfaces resist sticking. The interior handles steam cleaning cycles from the Genius Sensor, loosening splatters for easy sponging. Over months of use, it shows minor wear inside from heavy steaming but stays functional.

Q: Does the child lock actually prevent curious toddlers from starting it during breakfast rush?

A: Yes, the child lock engages easily via the controls, blocking operation until unlocked, which gives peace of mind on countertops kids reach. It’s a quick toggle that becomes routine after a week or so. Note the push-button door might need a firm press if hands are greasy.

Q: For quick morning oats or reheating coffee, how hands-off is the Genius Sensor?

A: It detects steam to auto-adjust power and time for 14 presets like oatmeal, popcorn, or soup, often nailing portions without tweaks. This saves steps during commutes or school runs, though manual overrides work for odd sizes. The 10 power levels offer flexibility when presets fall short.

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