Easily recognised by its rectangular shape, Indispensable in every household, A battery with power and endurance, This rechargeable 9 volts battery is not only the ideal battery for your smoke detector, fire alarm and fire alarm, It also works perfectly in audio equipment and wireless microphones, Why? It is ready to use immediately and is based on superior battery technology, This nickel-metal hydride battery contains significantly more energy than other rechargeable batteries and is a lot more durable, You can charge it up to a thousand (!) times, or for 6 years! Also unused, this juggernaut lasts much longer, After a year the capacity is still eighty percent or more, The capacity is 200 mAh, From GP of course,