As a premier provider of replacement laptop batteries and AC adapters for leading OEM brands - every Axiom battery and AC power adapter is uniquely engineered for its designated system. Manufactured under stringent quality standards, Axiom Power accessories are guaranteed 100-percent compatible.Axiom ensures proper function, performance, and optimal product safety backed by our no-cost product support and professional customer service. All Axiom power accessories are compliant with industry safety and system control standards to ensure superior performance and longer product life. Compatibility: Microsoft Tablets: Surface 2 Surface Pro Surface Pro 2 Surface RT W9S-00001-AX