![Big Leash Replacement Battery](http://store.fidosfences.com/cdn/shop/products/big-leash-battery-replacement_large.jpg?v=1458751958)
Big Leash Replacement Battery
This replacement battery fits in all BigLeash transmitters and receivers. The DogWatch 3.7v 300mAh (1.1Wh) Li-Polymer battery provides a long charge, exceptional battery life and a circuit to prevent overcharging.
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