![Panasonic 3.6V NiMH Rechargeable Cordless Telephone Battery (HHR-P402A)](http://ecx.images-amazon.com/images/I/51WZ9ADHB8L._AA200_.jpg)
Average Reviews:
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(More customer reviews)The battery worked as good or better than the original battery. The battery actually changed -- it was probably upgraded by panasonic. I tried generic batteries and they did not work well. This battery works well.
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Ni-Mh battery is made for Panasonic KX-TG 2227 - 3700 - 5700 Series Cordless Telephone models. 1000mAh/3.6V