Need a new battery for your laptop? This nimh battery is for gateway 2000 colorbook 2 series, gateway 2000 colorbook 486dx/33, 486dx/35, gateway 2000 colorbook 486sx/25, 486sx/33, gateway 2000 colorbook dx2/50, dx33, dx4/75, gateway 2000 colorbook series laptops / notebooks. This battery works well as either a replacement for your original one, or as a spare battery for when you are traveling. Why be limited by power? There is nothing worse then having your notebook die when you need it the most. A spare battery is also great to extend the usability of your laptop since with two you can charge one battery while using another.Features: nimh battery. 12.0 Volt. 3500Mah. Brand: energy+.