Does come with wall charger
# High-output, large capacity ACCU 2 ULTRA rechargeable battery pack (Lithium Ion 2000 mAh)
# ULTRA quick charger: 100/240 V EUR/US compatible quick wall charger
# Degree of protection: IP 66
# 3-year guarantee
This is from Petzls web site http://www.petzl.com/en/outdoor/ultra-series/ultra
Sorry Jon maybe you got one that was missing the adapter.