General description High-quality, compatible battery with long-lasting cells for use in your power tools. This battery is also ideal as a second battery. EXTENSILO batteries and cells fulfill all operational safety guidelines and provide high performance. Technical specifications Weight: 352 g Battery type: Li-Ion No memory effect Capacity: 2500 mAh Voltage: 18 V Energy: 45 Wh Colour: black Number of cells: 5 Compatibility and accessories Compatible with AL-KO GTLi, GTLi 18V Comfort, GT 2025 (113535), HS 2015 (113625) Replacement for WA3511, WA3512, WA3512.1, WA3516, WA3520, WA3523, WA3525, WA3575, WA3578, RW9351.1, WA3528, WA3551.1, WA3549.1, WA3572, WA3553.2 Other information Content of delivery: 2x battery