Charge up to 12 Inmarsat Isatphone Pro batteries in this rugged case on the go. The SatStation Battery Charger is perfect for those who will be at remote locations for long periods of time who require multiple batteries. An ideal accessory for any user who absolutely needs a charged battery at all times. The charger can stay plugged in for years and maintain the charge of your battery Whether you work in the Public Service sector or the private sector, your ability to be effective depends on the reliability of your communications systems. And while your Inmarsat IsatPhone Pro satellite phone keeps you connected when no one else can, we have all experienced the frustration of having devices run "out of juice" when we need them the most. The SatStation Battery Charger is the only standalone charging solution for the Isatphone Pro. It is the perfect solution for those who need to charge multiple IsatPhone batteries simultaneously Vehicular mounting kits and DC chargers are available as options. Product Features: -Capable of conditioning and rapid charging Iridium batteries in the same unit, in a single process without ever draining the battery -Charge at current rates recommended by the battery manufacturer. -Suitable to operate in harsh conditions using a water tight custom case -Switches to a maintenance mode once the battery is fully charged. In the maintenance mode the battery is kept at peak condition for as long as it is left on the unit, without ever overcharging or overheating Product Specifications: • Voltage Input 12 to 24VDC • Frequency: 50-60Hz. • Current out per bay: 800 mAh. • Output voltage: 4.2V ±0.4% • Operating battery temp: 0° C to +45° C • Storage temp: -40° C to +85° C • Weight: 19 lbs. • Size: 10.40" x 18.11" x 6.57"