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Amazon [amazon.com] has Energizer Pro400 LED Headlamp for $ 15.21 – 50% when you ‘clip’ the coupon on product page = $ 7.61. Shipping is free with Prime or on $ 35+ orders.

Price:
$ 9.39 lower (55% savings) than the list price of $ 17
$ 4.55 lower (37% savings) than the previous price of $ 12.16