UltraPro Battery for Nikon EN-EL9a / EN-EL9 and Nikon D40, D40x, D60, D3000, D5000 High-Capacity battery GUARANTEED to function identically to the Nikon original (OEM) EN-EL9a / EN-EL9 Premium Japanese cells for longer battery life with no memory effect Fully compatible with the Nikon camera and Nikon charger Backed by FantaSales 30-Day 100% Satisfaction Guarantee. No-Hassle Returns and Refunds.