Artisan Power Vocera Communications Badge B2000 & B1000A: Black Replacement Battery. 800 mAh Black Vocera Communications Badge B2000 and B1000A Replacement Battery. Replaces battery number 230-00532 and 230-00531. Lithium Ion Rechargeable Battery Pack | 3.7 Volt | 800 mAh Capacity Rating Manufactured by Artisan Power, a leader in premium quality replacement battery packs. Cells Made in Japan