octelect bl-5c 3.7v 2000mah battery rechargeable battery octelect <br><br>warrenty:<br><br> <br>period is 12 months from the date of manufacture; october technology co., ltd. is not responsible for accidents caused by failure to operate in accordance with the provisions of this specification.<br> <br><br> attention:<br><br> <br>do not put the battery into the water or get it wet;<br> <br>do not use or store batteries near heat sources such as fire or heaters;<br> <br>please use a special charger for lithium batteries;<br> <br>do not reverse the positive and negative poles;<br> <br>do not connect the battery directly to a wall outlet or a car cigarette lighter socket;<br> <br> do not throw the battery into fire or heat the battery;<br> <br> it is forbidden to shortcircuit the positive and negative terminals of the battery with wires or other metal objects. it is forbidden to transport or store the battery together with necklaces, hairpins or other metal objects; prohibiting impact, throwing or subjecting the battery to mechanical shocks;<br> <br> do not pierce the battery case with nails or other sharp objects, and prohibit hammering or pedaling or squeezing the battery;<br> <br> direct soldering of battery terminals is prohibited; prohibiting the battery from being broken down in any way;<br>