HQRP Battery is 100% compatible with Dogtek EF-4000 Electronic Dog Fence, EF-4025 Extra Collar. General Features: - Battery Voltage: 3V; Capacity: 800 mAh; Lithium; - 100% Compatible with Original Battery, - Warranty: 200 days warranty.
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Item# : SPM7029465513
Model # : 88777411261204