Replacement battery for Revitive Medic Plus. Specifications: 1500mAh, 3.7V, Li-ion. Compatible with: Revitive Medic Plus, Revitive Medic PLUS Circulation Booster, Lifeline Vi, Lifeline Vi+. Replaces: Revitive D3706008a, Tunstall D3706008a. Tunstall replacement battery designed for Medical devices. A precise, secure fit you can rely on.