Replacement 4000mAh Battery Pack compatible with Einhell GESC 35/1, GESC 36/35, GESP 18, GEST 36/40, GEUB 18/250, GEUS 18 Part numbers: 4511516, 4511553, 4511600, 511395 Product overview This 4000mAh battery pack is a directfit replacement designed for the listed Einhell models and part numbers. It restores power to compatible cordless tools when the original battery is depleted or worn, providing a reliable spare or replacement option. Key benefits Restores tool operation quickly: Use as a replacement to bring your compatible tool back into service without lengthy downtime. Extended runtime option: 4000mAh capacity provides increased run time compared with lowercapacity cells, helping you complete longer tasks between charges. Directfit compatibility: Built to match the connector and form factor of the listed models and part numbers for straightforward installation. Practical spare battery: Keep a charged spare on hand to avoid interruptions during extended work sessions. Durable external housing: Designed for everyday use in handheld and portable equipment environments. What it does and how it helps Function: Replaces the exhausted battery pack in compatible cordless tools to restore batterypowered operation. Problem solved: Eliminates the need to stop work because of a depleted battery and avoids delays while waiting for a charge cycle. Standout attribute: Combines a practical 4000mAh capacity with direct compatibility to the listed model numbers and part numbers for a straightforward replacement experience. Key attributes Capacity: 4000mAh Compatibility: GESC 35/1, GESC 36/35, GESP 18, GEST 36/40, GEUB 18/250, GEUS 18 Part numbers supported: 4511516, 4511553, 4511600, 511395 Form factor: Directfit replacement pack designed to align with the original connector and mounting arrangement Intended use: Replacement or spare battery for compatible cordless power equipment Typical use scenarios Yard maintenance extended session: Swap in this 4000mAh battery to continue trimming and edging when the original battery runs low. Onsite work with limited charging access: Keep a charged spare battery available to avoid downtime when charging is not convenient. a worn battery: Restore a cordless tool that no longer holds sufficient charge by installing this replacement pack. Installation notes Remove the depleted pack from the tool following the tool manufacturers recommended procedure, then install the replacement pack until it locks in place. Charge the replacement battery before first use according to the charger and tool instructions for the compatible models. Compatibility reminder Confirm compatibility by matching your tool model or the original part number to the list above before .