Laptop battery HP 90Wh Li‑ion 808398-2B2, primary replacement for compatible HP notebooks

Rechargeable Li‑ion laptop battery HP 90Wh (model 808398-2B2) is a primary replacement battery designed for compatible HP notebooks. With a nominal energy capacity of 90 watt‑hours, this battery restores extended runtime to portable computers that require standard laptop power delivery and a direct swap with the original battery compartment. The battery is intended for users who need longer unplugged operation, perform repairs, or replace degraded OEM packs to recover device mobility.

Advantages

This 90Wh Li‑ion battery provides extended runtime compared with lower‑capacity packs, enabling longer use between charges without altering system performance. It is built to match the voltage and connector interface of compatible HP notebooks for straightforward installation. The chemistry offers a balance of energy density and cycle life typical for laptop Li‑ion batteries, while the form factor is designed to fit into the original battery bay without modification.

Suitable for

• Replacing a degraded or failed OEM battery to restore original runtime
• Users needing longer mobile use for productivity, presentations, or travel
• Repair shops performing battery replacement services for compatible HP notebooks
• Owners who require a primary replacement battery with standard laptop power delivery

Key specifications

• Battery chemistry: Lithium‑ion (Li‑ion)
• Energy capacity: 90 watt‑hours (Wh)
• Intended use: Primary replacement for compatible HP notebook models
• Form factor: Internal laptop battery designed for direct fit into the original bay
• Power delivery: Standard laptop voltage and current profile compatible with HP notebook charging systems
• Typical applications: Mobile computing, office productivity, travel, repair replacement

How to use

Power down the notebook, disconnect external power and any peripheral devices, then remove the original battery according to the notebook manufacturer’s service instructions. Install the replacement battery in the same orientation as the original, ensuring connectors are properly aligned and secured. Reconnect AC power and allow the system to recognize the new battery; an initial full charge is recommended before regular use. Follow the notebook’s battery and charging indicators to verify proper installation and operation.

Recommendations

To maximize lifespan and performance, use the laptop on a stable power source when available, avoid deep discharges whenever possible, and store the battery at partial charge (around 40–60%) if it will be unused for extended periods. Do not expose the battery to extreme temperatures or physical damage, and follow manufacturer safety guidelines for handling and disposal of lithium‑ion batteries.