Replacement Battery Pack for Polarion PH40 and PF40 HID Helios Searchlights. Lithium-Ion Rechargeable Battery Pack for your Polarion PH40 / PF40 HID Spotlights/Searchlights. Battery Lasts 90+ Minutes / Runtime Fully Recharge from complete depletion in ~ 4 hours or less Battery good for 500+ complete charge/discharge cycles LED indicators to visually assess state of the battery.(5 LED's indiates full power, 4 LED's indicates 80% and so on)