General description High-quality, compatible battery designed for use in AL-KO power tools. This battery is ideal as a second battery, featuring long-lasting cells that ensure maximum operating time. EXTENSILO batteries and cells fulfill all operational safety guidelines. Technical specifications Battery type: Li-ion Capacity: 5000 mAh Voltage: 20 V Energy: 100 Wh Colour: black / orange Number of cells: 6 Compatibility and accessories Compatible with AL-KO HTA 2050 (113539) Compatible with AL-KO HT 2000 (113700) Compatible with AL-KO HT 2050 (113536) Replacement for WA3553, WA3511, WA3512, WA3512.1, WA3516, WA3523, WA3551.1, WA3572, WA3549.1, WA3551, WA3553.1, WA3553.2, WA3553.3, RW9351.1