Replacement 4000mAh Battery Pack compatible with Einhell GECM 36 and GECR models, Part Numbers 4511516 4511553 4511600 511395 Product overview A directfit replacement battery pack with 4000mAh capacity designed to restore runtime and reliable power to compatible cordless garden equipment. Designed for straightforward installation and consistent performance during mowing, trimming, and other outdoor tasks. Key benefits Restores runtime: 4000mAh capacity provides extended operating time so you can finish jobs without frequent battery swaps. Direct replacement: Engineered to match the original battery form factor and connector layout for plugandplay installation with listed models. Consistent power delivery: Stable output suited to the power demands of cordless garden tools and outdoor equipment. Practical and convenient: Lightweight, easy to install, and ready to use as a spare or replacement pack. Clear compatibility: Saves time and uncertainty by matching specific model numbers and part numbers. Features and attributes Function: Replacement battery pack for cordless outdoor equipment, intended to provide power and runtime for compatible models. Capacity: 4000mAh for prolonged use between charges. Compatibility: Designed to fit the following models and part numbers GECM 36 36 GECM 36 37 GECM 36 43 GECM 36 48 GECM 43 GECR 18 20 Part numbers 4511516 4511553 4511600 511395 Fit and finish: Built to align with the original battery mounting points and electrical connections for a secure fit. Materials and construction: Durable plastic housing and internal cells configured to meet the form factor of compatible equipment. How it solves common problems Worn out battery: an aging or underperforming pack to regain original runtime and performance. Downtime during tasks: Keep a spare battery on hand to avoid interruptions during yard work. Compatibility uncertainty: Clearly listed models and part numbers reduce the risk of buying the wrong replacement. Use scenarios Weekend lawn care: a depleted battery in a cordless lawn mower to complete a midsize yard without recharging midjob. Garden maintenance and trimming: Power a compatible cordless trimmer or hedge tool for longer continuous trimming and edging sessions. Equipment refresh: Swap in this pack to restore performance on older compatible gear before a maintenance or landscaping project. Buying guidance Verify compatibility: Confirm your tool model or original battery part number matches one of the listed models or part numbers before . Installation: Intended as a direct replacement. Install following the tool manufacturer instructions for battery replacement and safe handling. Technical reminder Capacity: 4000mAh Compatible models and part numbers: GECM 36 36 GECM 36 37 GECM 36 43 GECM 36 48 GECM 43 GECR 18 20 Part numbers 4511516 4511553 4511600 511395 Choose this replacement battery pack when you need a reliable, straightforward way to restore runtime and performance to compatible cordless outdoor equipment.