Wasabi Power Battery and Charger Kit for Pentax D-LI7 and Optio 450, 550, 555, 750, 750Z, MX, MX4 This Wasabi Power Battery and Charger Kit includes: 1) Two (2) Wasabi Power batteries; each with 3.7V, 1900 mAh, Japanese cells 2) One (1) Wasabi Power Mini Rapid A/C Charger with fold-out plug 3) European plug and car adapter 4) 3-year manufacturer warranty