Based on this product's specifications, here are some alternatives and similar models
Battery Ansmann 2500mAh AA maxE plus E-Block Nickel-Metal Hydride NiMH
Summary description:
The Ansmann 2500mAh AA maxE plus E-Block battery features Nickel-Metal Hydride (NiMH) technology, providing a voltage of 8.4 V. With dimensions of 26.5 x 17.5 x 48.5 mm, this battery is designed for high performance and reliability. Ideal for various devices, it offers long-lasting power and is rechargeable, making it an eco-friendly choice for your energy needs.