The 3.5 Ah Max 82v Lithium-Ion BSB3AHB2 Rechargeable Lithium Ion Battery by Nepowill is a powerful and reliable power tool accessory suitable for various applications. This black battery features a compact design with dimensions of 6 inches in length, 3 inches in height, and 3.5 inches in width, making it easy to handle and transport. With a voltage of 82 volts and a battery capacity of 3.5 Ah, this rechargeable lithium-ion battery provides long-lasting power for your tools and equipment. Backed by a 1-year manufacturer warranty and made in Thailand, this battery is a high-quality and durable option for any DIY enthusiast or professional tradesperson.