NinjaBatt HP 807956-001 Replacement Laptop Battery 14.8V

NinjaBatt 807956-001 is a high-performance 4-cell 32Wh (2200mAh) replacement battery designed to restore reliable runtime to compatible HP notebooks.

If your HP laptop shows reduced battery life or won’t hold charge, swapping in a certified replacement battery can return predictable runtime without needing a full laptop upgrade. NinjaBatt builds this pack to match OEM voltage and capacity specifications — 14.8V, 32Wh — using premium Grade A Li-ion cells and built-in safety protections. The result is a plug-and-play battery that fits specified HP models and includes a 12-month warranty for peace of mind.

Which HP models is this NinjaBatt battery compatible with?

This battery was manufactured to replace several HP part numbers and fit a wide range of 14"–17" Pavilion and ProBook series machines. It lists direct replacements for HP service part numbers and works with G4/G5 variants and many AY/AF/AC model codes.

• Compatible HP part numbers: 807956-001, 807957-001, 807611-421, HSTNN-LB6U.
• Common model families: 240 G4/G5, 245 G4/G5, 250 G4/G5, 255, 256 G4/G5.
• Also fits specific SKUs like 15-AY039WM, TPN-I119 and numerous 14/15/17 series model codes.

How long will the NinjaBatt replacement battery last compared to OEM?

Built with Grade A cells and a tested chemistry, this battery aims to deliver performance close to the original HP pack. NinjaBatt rates the cell life at up to 500 charge cycles when used and charged under normal conditions. Real-world runtime depends on workload, power settings, and system age, but the battery is engineered for consistent capacity over months of typical use.

• Rated capacity: 32Wh (2200mAh) at 14.8V for predictable runtime.
• Expected cycle life: up to 500 full charge/discharge cycles.
• Performance maintained through quality cells and circuit protection.

What safety features and protections are included?

Safety is built into the pack with multi-layer protection circuitry and quality manufacturing practices intended to reduce common risks. The battery includes safeguards to protect against short circuits, overheating, and overload, and is assembled on stable circuit boards to ensure reliable operation while installed in your laptop.

• Overheat, short-circuit, and overload protection circuitry.
• High-quality PCB and Grade A Li-ion cells to lower failure risk.
• Manufactured and tested to meet OEM-like charging behavior.

What warranty and support come with this NinjaBatt battery?

Every NinjaBatt replacement battery ships with a 12-month warranty covering manufacturing defects, giving you a safety net if the pack fails under normal use. Support channels are available from the seller for troubleshooting and warranty claims, and the battery is accompanied by installation notes to help you swap packs safely.

• 12-month limited warranty against defects.
• Customer support for installation and compatibility questions.
• Simple return process if the battery is DOA or mismatched.

Who this is for: This replacement battery suits HP laptop owners whose systems match the listed part numbers and model families, and who want a cost-effective way to restore mobile runtime without buying a new machine. It’s aimed at students, professionals, and anyone using 14"–17" HP notebooks who needs a reliable, safety-certified battery with a one-year warranty.