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: Li-polymer - Capacity: 300 mAh - Voltage: 3.7 V - Energy: 1.11 Wh To ensure compatibility, please check to see whether the battery you are currently using is listed below. REPLACEMENT FOR: - Dogtra BP37F, BP37R vhbw - High-quality replacement parts and accessories to prolong the service life of your electronic devices.