Suitable for all kinds of RC racing boats, remote control racing boats, electronic toys, and other lighting equipment SM-2P Connector,Please select the appropriate connector before ordering Cyclic charging and discharging, easy to use, long life, is the best partner for your remote control toys In some products, the original battery does not have a plug or the plug does not match, you can just cut off the plug and solder it After receiving the product, if you have any questions, you can contact us