Power up your tools with these high-capacity 4V replacement batteries. Each pack delivers 3000mAh of reliable power, ensuring your tools stay running longer between charges. These batteries are compatible with multiple models including AP4001, AP4302, AP4700, CSD42l, and RGS series tools. The 2-pack configuration offers convenience and value, letting you keep one battery charging while using the other. These replacement batteries maintain consistent performance throughout their charge cycle, helping you complete your projects without interruption. Perfect for DIY enthusiasts and professionals who rely on their tools daily, these batteries are designed to meet the power demands of your compatible devices. Keep your tools ready for action with these dependable power sources.