TI-84 Plus CE Battery Replacement Fit Texas Instruments TI-84 Plus CE C Graphing Calculator, TI NSpire CX/CX II/CX CAS, P11P35-11-N01 & 3.7L12005SPA Battery, Fix Dead Power Issue & Error Validating OS
PERFECT COMPATIBILITY – Designed for Texas Instruments TI-84 Plus CE, TI-84 Plus CE Python, TI Nspire CX, CX II, CX CAS & CX II CAS graphing calculators. Compatible replacement for P11P35-11-N01, 3.7L12005SPA, 3.7L1200SPA battery models.
FIX DEAD POWER & VALIDATING OS ISSUES – Replaces old, swollen, weak, or non-charging batteries that cause boot loops, charging failure, sudden shutdowns, frozen screens, and “Error Validating OS” problems on TI calculators.
HIGH-CAPACITY & STABLE PERFORMANCE – Premium rechargeable lithium-ion battery delivers longer standby time, reliable power output, and stable charging performance for school, exams, engineering, and daily calculator use.
STABLE CHARGING - High charging efficiency, small self-discharge. Rechargeable batteries that can be recycled multiple times provide a reliable, long-lasting power source for your calculator.
BUILT-IN SAFETY PROTECTION – Integrated smart protection chip helps prevent overcharging, overheating, over-current, and short circuits for safer, dependable operation and extended battery lifespan.
EASY INSTALLATION IN MINUTES – Includes precision repair tools for quick replacement without professional repair. Simply swap the old battery and restore your TI graphing calculator back to normal operation.
