This replacement Blackberry Charger/AC Adapter is compatible with Blackberry 7100 and 8700 series PDAs. Our batteries and accessories are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% quality control assurance. The replacement Blackberry Charger/AC Adapter includes a 1 year warranty to guarantee that it has no manufacturing defects.