Description
Overview:
The AK 20 Battery is a genuine STIHL Lithium‐Ion battery for the Compact Cordless (AK) System, supplying dependable power across compatible garden and light construction tools. Built around high‐quality Li‐Ion cells in a rugged black/orange plastic housing, it is designed for regular outdoor use and easy handling. Rated at 36 V with a 2.0 Ah capacity and an energy content of 144 Wh, it supports efficient run times while keeping weight to a practical 1.2 kg. A 4‐LED status display makes it simple to check remaining charge at a glance. It is suitable for a wide range of AK System tools such as cordless trimmers and hedge cutters, and works seamlessly with STIHL chargers including the AL 101 and AL 300.
Key Features:
- Genuine STIHL part for guaranteed fit and performance within the AK System
- 36 V, 2.0 Ah, 144 Wh specification for balanced power and runtime
- Lightweight 1.2 kg pack helps maintain tool balance and reduce fatigue
- 4‐LED status indicator shows charge level and operating state quickly
- Compatible across all STIHL cordless tools in the Compact Cordless (AK) range
- Fast charging options: approx. 150 minutes with AL 101, about 45 minutes with AL 300
- Robust, impact‐resistant housing suited to typical site and garden conditions
- Simple slide‐in fitting with secure latch for quick battery changes
- Low self‐discharge Lithium‐Ion chemistry supports reliable, ready‐to‐use performance
Typical Applications:
Powering STIHL AK System cordless machines for garden care and on‐site tasks, including grass trimming, hedge cutting, leaf clearing, light pruning, and general maintenance. Suitable for homeowners, groundskeepers, and tradespeople needing a compact, reliable battery that can be shared across multiple AK tools for efficient day‐to‐day work.
Also known as:
STIHL AK 20 Lithium‐Ion Battery, AK20 Battery Pack, 36 V 2.0 Ah AK Series Battery, STIHL Compact Cordless AK 20, AK System 144 Wh Battery.
Fits Models:
Compact Cordless System
Alternate Part Numbers:
4520-400-6518, 4520 400 6518, 45204006518
Product Specifications
| L&S Part No. | 4520 400 6535 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 45204006535 |
| Unit of Sale | 1 |
| Machine Type | Batteries, Cordless Blowers, Cordless Chainsaws, Cordless Hedgetrimmers, Cordless Pole Pruners, Cordless Trimmers |
| Fits Brands | Stihl |
| Key Features | - 36 V, 2.0 Ah, 144 Wh battery for balanced power - Compatible with all STIHL Compact Cordless (AK) tools - Lightweight 1.2 kg for reduced user fatigue - 4‐LED display for easy charge status check - Fast charging: 45 minutes with AL 300 charger |


