vhbw - the clever way - High-quality, compatible battery with high capacity for use in your dog collar and dog trainer or e-fence (all suitable models can be found below) - Our batteries and cells fulfil all operational safety guidelines CONTENT OF DELIVERY: - 1x battery TECHNICAL DETAILS: - Battery type: NiMH - Capacity: 300 mAh - Voltage: 4.8 V - Energy: 1.44 Wh COMPATIBLE WITH: - Dogtra 2000B Receiver - Dogtra 180NCP transmitters - Dogtra 2000 beeper receiver To ensure compatibility, please check to see whether the battery you are currently using is listed below. REPLACEMENT FOR: - Dogtra 28AAAM4SMX, 40AAAM4SMX, BP-RR, DC-1 vhbw - High-quality replacement parts and accessories to prolong the service life of your electronic devices.