GRABO Extra high-capacity BatteryThese batteries are as powerful as the ones supplied with the tool. A full battery charge delivers up to 900 operating cycles or 1.5 hours of uninterrupted run time. The high-capacity battery can be used with all models except GRABO H.Specifications: Type: Li-ion 2600 mAh / 14.8 V (4x cells 3.7 V) L x W x H: 3.5 x 2.8 x 2.2” (90 x 70 x 55 mm) Weight: 0.7 Lbs (0.28 kg) Rated Capacity: 2.6 Ah Nominal Voltage: 14.8 V Charge Voltage: 16.8 V Charge Current: 520 mA Operating Temperature: 32 – 115 F (0 – 45 C) Charge, -4 – 140 F (-20 – 60 C) Discharge Storage Temperature: -40 – 257 F (-40 – 125 C) Overcharge Protection: 4.25V Features: Overcharge / Over discharge / Over current protection Fits all Grabo models: Long Term Storage: For storage over 3 month store in dry and cool place at 40 – 70 F (~5 – 20 C) charged to 14.4 – 15.6 V (80 – 90%% of full charge)