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Battery not fully charged

Battery not fully charged — Recharge the battery

Stihl · AP System

What does Battery not fully charged mean?

The battery has insufficient charge to power the product for an adequate runtime. It needs to be fully recharged.

Common Causes

  • Battery was not fully charged previously
  • Charger may have stopped charging prematurely

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Connect the battery to a compatible STIHL charger (AL 101, 301, 301-4, or 501).

  2. 2

    Allow the battery to complete its full charging cycle.

  3. 3

    Check the charger's LEDs for status indicators.

  4. 4

    Once fully charged, reinsert the battery into the product.

Browse all codes in this manual (12)
Verified technical data. Last updated: April 2026

Related Faults

1 LED flashes green1 LED flashes green — Battery charge is too low1 LED lights up steady red1 LED steady red — Battery is too warm or too cold2 lit green LEDs2 lit green LEDs — Battery charge between 40% and 60%
Source: Stihl AP System
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