The Li-Ion 20Ah/12V Portable Battery Pack BP-042 is a high quality, rechargeable battery pack perfect for powering your portable radio or other electrical device in an emergency. With 4000+ cycles and a long cycle life, this battery pack is perfect for different needs and can be found in many applications in your life. Made of ABS material and with a broad operating temperature range, this battery pack is charging temperature: 0~55°C and discharging temperature: -20~60°C. Size: 172 x 180 x 77 mm. Weight: 2.7 kg.