6Lithium Ion Rechargeable Battery System (included) consists of Lithium IonRechargeable Batteries, Battery Cap, and AC Adaptor.BATTERY LIFEP/N MODE BATTERY LIFEPL-2-445FULL POWER120–150 minutes*PL-5-445 60–75 minutes*PL-9-445 40–45 minutes*PL-3-525 120 minutesPL-410-445 60 minutesPL-445-520 60 minutes*Battery life may vary according to capacity of the charged battery pack, age and ambient conditions.RECHARGING BATTERIESLithium Ion Battery System takes approximately 4 hours to charge fully.While connected to the AC Adaptor, the GREEN light on the rear of the PL isON. Its function is only to advise that you are attempting to charge.The AC adaptor also has a light which is GREEN when plugged into a wall. Assoon as you connect it to the PL for charging, it turns RED. Full is shown by anon-blinking GREEN LED on the AC Adaptor.For PL-2-445 and PL-5-445:The typical usage range to the surface beinginvestigated is 4 -12 in (100 - 305 mm) but is useful for general search at upto 5 - 8 ft (1.5 - 4.6 m) or pattern photos at up to 30 ft (9 m) with fluorescentreactant aid.For PL-9-445: The typical usage range to the surface being investigated is 10- 15 in (254 - 381 mm) but is useful for general search at up to 5 - 15 ft (1.5 -4.6 m) or pattern photos at up to 30 ft (9 m) with fluorescent reactant aid.For PL-3-525: The typical usage range to the surface being investigated is 10 -15 in (254 - 381 mm) but is useful for general search at up to 5 - 8 ft (1.5 - 2.4m) or pattern photos at up to 30 ft (9 m) with fluorescent reactant aid.For PL-410-445: The typical usage range to the surface being investigated isBATTERY INFORMATIONUSAGE RANGES