Petzl Core Rechargeable Battery Professional Includes a 2 L /

Includes a 2 L / 70 oz Hydrapak® bladder with quick-release valve

Shield your eyes from sun and rain

Ridged Design

Adjustable - Fits head circumferences of 55 - 59 cm

Petzl Core Rechargeable Battery Professional Includes a 2 L /Rechargeable battery compatible with Petzl HYBRID headlamps High capacity Lithium Ion 1250 mAh rechargeable battery guarantees high performance lighting for Petzl HYBRID headlamps. It recharges directly with the integrated USB port. The CORE rechargeable battery offers an economical and sustainable solution as the main power supply, or as a back up battery. Simple universal charging via the USB port Charging indicator on the battery (red = charging;