CDC68D Dual Charger for Topcon BDC70 and Sokkia BDC46, BDC58, BDC70 batteries Equivalent to SokkiaCDC68D charger Input: 100-240V; 50-60Hz Output: 8.4V Charges two batteries at the same time Works with Topcon BDC70 and Sokkia BDC46, BDC58, BDC70 batteries