Laptop battery Lenovo 61Wh lithium-ion 5B10Z49518, compatible models as specified by manufacturer

Laptop battery Lenovo 61Wh lithium-ion 5B10Z49518, compatible models as specified by manufacturer is a rechargeable replacement pack that restores portable power to supported Lenovo notebooks. With a nominal capacity of 61 watt-hours and standard lithium-ion chemistry, the battery is intended to provide reliable runtime for everyday mobile use, travel, and work away from mains power. It is supplied as a direct replacement or spare to maintain device availability when the original battery has reduced capacity.

Advantages

The battery offers a 61Wh energy capacity designed to balance runtime and physical size for thin-and-light laptop designs. Lithium-ion technology ensures consistent discharge characteristics and predictable charging behavior with compatible Lenovo charging systems. Designed to meet manufacturer compatibility lists, the pack allows users to quickly replace a depleted cell assembly and resume normal notebook operation without modifying the device.

Suitable for

• Everyday office and productivity tasks when away from a power outlet
• Business travel and commuting where extended battery life is needed
• Fieldwork and meetings that require reliable laptop runtime
• Replacing an aged or degraded original battery to restore battery life

Key specifications

• Chemistry: Lithium-ion
• Nominal energy capacity: 61 Wh
• Form factor: internal notebook battery pack
• Typical operating temperature range: manufacturer-recommended ambient conditions for laptop use
• Rechargeable: yes, designed for repeated charge/discharge cycles
• Compatibility: compatible with Lenovo notebook models listed by the manufacturer

How to use

Install the battery according to the notebook manufacturer’s instructions: power off the laptop, disconnect external power, remove the service hatch or rear cover if required, and replace the old battery with the new pack ensuring correct alignment and connector seating. After installation, connect the AC adapter and allow the system to recognize and charge the battery fully before first use. Observe the laptop’s battery status and charging indicators to confirm proper operation.

Recommendations

Use the battery with the laptop models specified by the manufacturer and charge only with the original or compatible AC adapter. Store unused batteries in a cool, dry place at moderate state of charge (around 40–60%) and avoid prolonged exposure to high temperatures. For safety, follow the notebook vendor’s instructions for disposal or recycling of the original battery and do not attempt to disassemble the pack.