Back to blog
Article

Car Office Chair Battery

Admin October 19, 2026

When modifying a car seat into an electric office chair, it is recommended to use a 12V 5000mAh to 10000mAh polymer lithium battery, matching the capacity according to the seat's power requirements, and prioritizing lithium polymer batteries for safety and lightweight design.

Battery Specification Selection

  1. Basic Capacity Reference: In the modification case of the front passenger seat of the Xiaopeng X9, a 12V 5000mAh polymer lithium battery (Delipu brand) with a DC interface was used. This capacity supports the seat's electric adjustment functions (such as forward and backward movement, backrest angle adjustment, etc.) and reserves room for future upgrades, making it suitable for daily office scenarios.
  2. High Endurance Requirements: If you need to extend single-use time (e.g., reduce charging frequency), you can choose a battery with a capacity of 12V 10000mAh or more. A large-capacity battery provides longer-lasting power support, but note that its volume and weight may increase, requiring a balance based on the seat's installation space and portability needs.

Key Modification Points

  1. Interface Matching: The battery needs to be connected to the seat's power supply via a DC interface, ensuring compatibility with the original car's or modified seat's power interface. When connecting, strictly follow the wiring diagram in the modification tutorial to avoid reversing the positive and negative poles, which could damage the circuit or pose safety risks.
  2. Power Adaptation: The electric adjustment power of seats varies across different car models (e.g., motor power, number of adjustment functions, etc.), so choose the battery capacity according to actual needs. For example, a 5000mAh battery is sufficient if the seat only supports basic adjustment functions; if heating, ventilation, or complex adjustments are also required, it is recommended to choose a battery with a capacity of 10000mAh or more.

Application Scenario Expansion

  1. Mobile Office Support: The modified seat can be electrically adjusted forward and backward, accommodating users of different heights or desk heights, enhancing comfort.
  2. External Discharge Function Integration: If the vehicle itself supports external discharge (e.g., BYD, Li Auto, etc.), an inverter can be used to convert the battery's direct current into alternating current to power laptops, mobile phones, and other devices, further expanding office scenarios. However, note that the inverter's power must match the battery's output capacity to avoid overloading.

Safety and Lightweight Design

Prioritize lithium polymer batteries, which have high energy density, are lightweight, and offer better safety than traditional lithium batteries (e.g., puncture resistance, explosion-proof design). During modification, ensure the battery is securely fixed to avoid damage from vibration or collision, and keep it away from high-temperature environments (e.g., direct sunlight or the engine compartment).