Intelligent current-limiting feature prolongs battery life.
Compatible battery charger: Spark Battery Charger (F1C50 Version 2) Compatible battery model: MB1; 1480 mAh, 11.4 V Operating temperature range: 32°F to 104°F (0°C to 40°C) Input voltage: 13.05 V Input current: 3.83 A Weight: 0.14 lbs (67.2 g) Charge time*: Approx. 90 minutes (with three batteries and Spark Battery Charger F1C50 Version 2). *Charging time was tested in a lab environment at room temperatures of 77°F (25°C). To be taken as reference only.