Battery Replacement For Sennheiser DW 30 HS, SDW Pro 1, SDW Pro 2, | vintrons.com
Replacing the Battery in the DW Pro 1 Headset*
Sennheiser - D10 and DW Pro 1/2/30 Battery Replacement
Sennheiser MB PRO 2 Wireless Headset Battery (Li-Pol 3.7V 200mAh) - Replacement For Sennheiser 504374 , DW PRO 1 and PRO 2 Wireless Headset Batteries - Walmart.com
Synergy Digital Wireless Headset Battery, Works with Sennheiser DW PRO 1 Wireless Headset, (Li-Pol, 3.7, 180mAh) Ultra High Capacity, Compatible with Sennheiser 504374, BATT-03 Battery - Walmart.com