Synergy Digital Camera Battery, Works with Fujifilm Finepix Z1 Zoom Digital Camera, (li-ion, 3.7V, 710 mAh) Ultra Hi-Capacity, Compatible with Fuji NP-40 Battery - Walmart.com
Fujifilm FinePix Z1: Digital Photography Review
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Synergy Digital Camera Battery, Works with Fujifilm Finepix Z1 Zoom Digital Camera, (li-ion, 3.7V, 710 mAh) Ultra Hi-Capacity, Compatible with Fuji NP-40 Battery - Walmart.com