Using this CR2330 3V lithium battery is easy. First, make sure your circuit board is powered off. Then, connect the battery to the board using the solder tags. Just align the tags with the right spots on the board and carefully solder them in place. When handling the battery, avoid dropping it or exposing it to extreme temperatures. Keep it away from water and fire. For long - term storage, store it in a cool, dry place. Also, don't try to recharge it as it's a non - rechargeable battery. If you notice any signs of damage, don't use it and replace it with a new one.