| 电 |
diàn xīn | battery cell |
| 电 |
diàn | lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc |
| 芯 |
xīn | (bound form) the pith of the rush plant (used as a lampwick) |
| 芯 |
xìn | used in 芯子 / Taiwan pr. [xin1] |