High-Efficiency Power: Boasts a nominal voltage of 3.7V and a limited charging voltage of 4.2V for efficient energy use and quick recharging Compatibility: The Pentax D-Li96 Rechargeable Lithium-Ion Battery is designed for the Pentax WG-1000, ensuring a perfect fit and optimal performance Extended Shooting Time: With a rated capacity of 890mAh, this battery offers prolonged usage, letting you capture more memories without interruption