Pignose 7-200 HOG-20 Amplifier Perfect for playing anywhere! Recharges its own batteries when you plug it into a wall outlet. Battery Life:6 to 10 hours between charging (during use) Runs for 6 to 10 hours on a single charge or on AC power Heavy-duty 6-1/2" speaker is powered by a 20W amp Also features squeal overdrive control, two instrument inputs, and a headphone jack Runs for hours on a single charge Headphone outlet Clean & crunchy tones Runs on ac power, too Adapter / recharger included