This product has been tested for safety. Note the following precautions:
| WARNING Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates safety standards of design, manufacture, and intended use of the product. Vaisala assumes no liability for the customer's failure to comply with these requirements. |
| WARNING Do not substitute parts or modify the product. Improper modification can damage the product or lead to malfunction. |
| WARNING If the equipment is used in a manner not specified by Vaisala, the protection provided by the equipment may be impaired. |
| WARNING Only licensed experts may install electrical components. They must adhere to local and state legislation and regulations. |
| WARNING Do not replace components when the system is powered up. Disconnect all power sources before performing maintenance procedures. |
| WARNING Only use the device for charging undamaged 12 V lead-acid type rechargeable batteries with electrolyte solution (WET), electrolyte absorbing mats (AGM), or gel-type electrolyte (GEL). The device is not suitable for charging lithium-ion batteries. |
| CAUTION The device is intended for use inside an IP65 weatherproof metallic or plastic enclosure. |
| WARNING Make sure that the battery is installed in a weather-proof and ventilated enclosure. |
| WARNING Do not use the device for charging non-rechargeable batteries. |
| WARNING Do not throw the battery into a hot oven or fire, or mechanically crush or cut the battery. Improper disposal can cause an explosion. |
| WARNING Do not leave the battery in an environment surrounded by extremely high temperatures. Extremely high temperature can result in deflagration or leakage of flammable liquid or gas. |
| WARNING Make sure that the battery is not subjected to an extremely low air pressure. Extremely low air pressure can result in deflagration or leakage of flammable liquid or gas. |
| CAUTION Do not connect too high DC input voltage to the device. If the maximum input voltage is exceeded, the device will stop operating. |