(Including M4 screw + copper connection)

Note: Long-term storage at -30°C-60°C should not exceed half a year, and it must be charged once every half a year. The battery with a protective plate is charged once every 3 months. Assembling Battery Pack:  Do not allow impact, high temperature or contact with sharp parts during battery assembly 1. It is strictly forbidden to directly solder leads or equipment to the battery· 2) The pole piece should be spot-welded to the battery first when welding the lead wire. It is directly welded to the electric heat. The heat generated will damage the electrical isolator and insulator. 3. There should be enough insulating layer for safety protection between battery and lead. The packaging of the battery should not cause a short circuit that could cause a fire in the garden. 4. It is forbidden to dismantle, do not dismantle any electrical port. Demolition of the power plant will cause short circuit inside the battery, lead to fire, explosion, harmful gas or other problems. 2) The electrolyte has apricot 5. In case the electrolyte gets on your skin, you should immediately rinse with clean water and ask for help.