Wasabi Power Battery and Charger Kit for Sigma BP-31, DP1, DP1s, DP1x, DP2, DP2s, DP2x This Wasabi Power Battery and Charger Kit includes: 1) Two (2) Wasabi Power batteries for BP-31; each with 3.7V, 1400 mAh, Japanese cells 2) One (1) Wasabi Power Mini Rapid A/C Charger for BP-31 with fold-out plug 3) European plug and car adapter 4) 3-year manufacturer warranty