
To know when your Bosch GCU18V-30 pack is fully charged, follow these steps. First, insert the battery pack into a compatible Bosch 18V charger, such as the BC1880, BC1836, BC3680, BC660, GAL18V-20, GAL18V-40, GAL18V-160C, GAL18V6-80, or GAX1218V-30, until it clicks securely into place. Next, plug the charger into a power outlet. The charger will then indicate the charging status. Typically, indicator lights or a display will show the progress. These indicators might change color or blink to signal different charging stages. Once the battery pack is fully charged, the indicator light often turns green, or a full charge symbol appears, depending on the charger model. For best results, use the GCU18V-30 tool after a full charge. Refer to your charger's manual for specific details on interpreting the charging status indicators. Allowing a full charge helps to maximize both performance and battery life. Avoid both overcharging and undercharging to help maintain the battery pack's longevity.


