• Battery Life: 3 hours of continuous probe use, 6 hours of typical probe use
• Charge Time: 4 hours minimum
• LED Status: Red: Charging, Green: Fully Charged, Red/Green Alternating (check for wrong type of batteries (NiCad, LiON) are installed)
• Replace the rechargeable batteries after 5 years of moderate use or 2 years of heavy use

FI-500 Fiber Inspector ships with two rechargeable NiMH batteries (1.2 V, 2700 mAh) and a charging cable assembly. It will also run on two AA Alkaline batteries, but the charger will only charge the NiMH type batteries. No other battery types are supported. Do not attempt to recharge non-rechargeable batteries in the FI-500.