18V 4000mAh Liion Replacement Battery Part numbers: 4511516, 4511553, 4511600, 511395 Overview A capacity 18V 4000mAh lithium ion battery pack engineered as a direct replacement for the listed tool models. Designed to restore runtime and productivity for cordless tool applications without modifying the tool or charger. Key benefits Extended runtime: 4000mAh capacity gives noticeably longer run time compared to lower capacity packs, reducing interruptions on the job. Direct replacement fit: Compatible with the listed tool models for straightforward installation and secure connection. Consistent power delivery: Stable voltage and current suitable for demand tasks with brushless and standard motor tools. Handy spare or swap: Keep a charged spare to minimize downtime during extended projects. Compatibility Compatible with the following models: TPAP 18/28 TPBS 18/357 TPCD 18 Li Brushless TPCI 18 Li BL TPCQ 18 Li Features and specifications Capacity: 4000mAh for longer operating time between charges Chemistry: Lithium ion compatible with Li tool systems Voltage class: 18V tool range compatibility Form factor: Pack designed for a dropin replacement with the compatible models listed above Part numbers: 4511516, 4511553, 4511600, 511395 Performance and reliability Provides reliable power for demanding tool tasks and supports brushless motor performance where applicable. Intended to restore original tool runtime and maintain consistent torque and speed under load. Use as a replacement for worn or aging batteries or as an additional pack to extend work sessions. Typical use scenarios Renovation and construction: Keep a charged replacement on site to finish drilling, screw driving, and fastening tasks without prolonged breaks for charging. Workshop and assembly: Use as a swap battery for continuous operation of drill drivers and other cordless tools during repetitive assembly or component fitting. Outdoor and maintenance work: Maintain trimming, cutting, or cleaning tasks with uninterrupted power by swapping packs as needed. What to expect A ready to install battery pack that matches the voltage class and connects directly to the compatible tool models listed above. Designed for users who need dependable runtime recovery or an extra battery to keep projects moving. Note Confirm model compatibility with your tool model number before to ensure correct fit and operation.