Replacement battery fits 7 Seiko compatible models. Specifications: 700mAh, 8.4V, Nickel. Compatible with: QR-350, QR-375, QR-395, QR-6550, QR-6560, Lathem 7000e and 1 more compatible models. Replaces: Seiko QR-35004, Seiko QR-35004N, Lathem HHR-60TH7A5. Seiko replacement battery designed for Time Clock devices. Dependable performance you can count on.