Replacement Battery for Texas Instruments TI-84 Plus CE Graphing Calculator, 1500mAh 3.7V Li-ion Battery, Compatible with P11P35-11-N01 / 3.7L12005SPA

Keep your TI-84 Plus CE graphing calculator powered up and ready for class, exams, or standardized testing with this high-capacity 1500mAh replacement battery. Engineered as a direct replacement for the original Texas Instruments battery (Part No. P11P35-11-N01 / 3.7L12005SPA), this 3.7V lithium-ion battery restores your calculator's runtime to like-new performance.

Over time, rechargeable calculator batteries lose capacity and hold less charge — if your TI-84 Plus CE is draining faster than it used to, shutting off unexpectedly, or no longer holding a charge overnight, it's likely time for a replacement. This battery is a precise fit, designed to match the original OEM specifications for voltage, capacity, and connector type, ensuring safe and reliable operation.

Key Features:

• High Capacity: 1500mAh capacity for extended use between charges — perfect for long school days, back-to-back exams, or standardized testing sessions (SAT, ACT, AP exams)
• Exact Fit: Designed specifically for the Texas Instruments TI-84 Plus CE; matches original part numbers P11P35-11-N01 and 3.7L12005SPA
• 3.7V Lithium-Ion Cell: Stable voltage output for consistent calculator performance
• Easy Installation: Simple swap-in replacement — no soldering or special tools required
• Reliable Power: Reduces the frustration of a dead calculator mid-lecture or during timed tests
• Safety Certified: Built with protective circuitry against overcharge, over-discharge, and short circuits

Compatible With:
Texas Instruments TI-84 Plus CE graphing calculator (rechargeable models using the P11P35-11-N01 / 3.7L12005SPA battery)

What's in the Box:
1 x Replacement Battery (1500mAh, 3.7V)

Ideal For:
Students, teachers, math and science classrooms, and anyone relying on their TI-84 Plus CE for coursework, homework, or testing who needs a dependable power source.