Overview Product Description Petzl ACCU NAO + Rechargeble Battery Pack Red Onesize Features Simple universal charging in the field via the micro-USB port Charge indicator on the battery Red LED signals its location Performs well at low temperatures NAO+ headlamp sold separately Product Videos Custom Field Product Reviews Write a Review Write a Review × Petzl Petzl ACCU NAO + Rechargeble Battery Pack Red Onesize Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *