Wortmann laptop battery 6-87-NL4CS-43G01 — 49Wh, 3100mAh, 15.2V

Replacement laptop battery Wortmann 6-87-NL4CS-43G01 provides a rated energy capacity of 49Wh (3100mAh) and a nominal voltage of 15.2V. It is manufactured to serve as a direct power source for compatible portable computers, restoring battery runtime for mobile work and travel. The battery is intended for users who need to replace worn cells or keep a spare to extend device operation away from mains power.

Advantages

This battery offers a balance of energy density and compact design to maintain portability while extending runtime. Built to meet standard safety and performance expectations for laptop power packs, it delivers stable output at 15.2V and a usable capacity of 49Wh to support typical office, web browsing and light multimedia tasks. The form factor and connector compatibility are designed to match specified Wortmann laptop models for straightforward replacement and minimal installation steps.

Suitable for

• Replacing an aging or degraded laptop battery to recover original runtime
• Keeping as a spare battery for business travel or extended field use
• Sustaining productivity during presentations, meetings or remote work
• Powering laptops for light office tasks, web browsing and video playback

Key specifications

• Rated energy: 49Wh
• Rated capacity: 3100mAh
• Nominal voltage: 15.2V
• Form factor: replacement internal laptop battery (model-specific fit)
• Intended use: portable computer power source for specified compatible models

How to use

Power down the laptop and disconnect any external power source before beginning replacement. Remove the battery compartment cover or bottom case following the device manufacturer’s disassembly instructions. Disconnect the depleted battery from the internal connector and remove any securing brackets or screws. Install the replacement battery by seating it in the compartment, reconnecting the internal connector, and reattaching any fasteners and covers. After reassembly, connect the mains adapter and charge the battery fully before first use to allow the battery management system to calibrate.

Recommendations

Store the battery at moderate temperature and partial charge if not used for extended periods. Avoid exposure to extreme heat, moisture or mechanical shock. Use the laptop manufacturer’s power management settings to prolong battery life and perform periodic full charge-discharge cycles only if recommended by the device vendor.