SMC1500C Features. It can provide 146 minutes of use at 50W, 90 minutes of use at 100W, 49.2 minutes of use at 200W, 32.5 minutes of use at 300W, 23.5 minutes of use at 400W, 18 minutes of use at 500W, 14.2 minutes of use at 600W, 11.5 minutes of use at 700W, 9.4 minutes of use at 800W, and 7.8 minutes of use at 900W.
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