A dry cell when drained completely cannot be used again, however , some other cells can be used again by charging them .Name two such cells .

Explanation

To answer the question about rechargeable cells, let's break it down step by step.

### Step-by-Step Solution:

1. **Understanding the Question**: The question states that a dry cell, when drained completely, cannot be reused. However, it asks for two types of cells that can be recharged and reused.

2. **Identifying Rechargeable Cells**: Rechargeable cells are types of batteries that can be used multiple times by recharging them after they have been drained.

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