• TWINHEAD 23-050231-00 notebook batteries pack  for Twinhead F17 F17PT Series
• TWINHEAD U12C notebook batteries pack  for DURABOOK U12C series
• TWINHEAD R14KT1 notebook batteries pack  for TWINHEAD DURABOOK R14K#8750 R14KT1 U14 R14 Series
• TWINHEAD R15B notebook batteries pack  for Twinhead Durabook R15D R15B S15 SERIES
• TWINHEAD notebook batteries pack  for Twinhead efio A1000 series
• TWINHEAD 50-004140-07 notebook batteries pack  for 1010CT MD9303
• TWINHEAD 23-05000023 notebook batteries pack  for Twinhead efio 2A00 2B00 N222S N222S1 N222S8 P14N P14NB P14S R14S Series
• TWINHEAD 23-050000-18 notebook batteries pack  for Twinhead efio 2300 2300 CTZ Combo 2300 CTZ Mobile 2310 PTZ Moblie 2365 2370 2390 2600 series
• TWINHEAD 23-050000-12 notebook batteries pack  for Twinhead efio 141i Twinhead efio 142i series
• TWINHEAD 50-080092-00 notebook batteries pack  for P98

1. Your new Twinhead 23-050231-00 notebook Battery comes in a discharged condition and must be charged before use (refer to your computer manual for charging instructions). Upon initial use (or after a prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity.
2. When charging 23-050231-00 Battery for the first time your computer may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Simply remove the notebook rechargeable batteries pack from the computer and repeat the charging procedure.
3. If Twinhead 23-050231-00 Battery packwill not be in use for a month or longer, it is recommended that it be removed from the device and stored in a cool, dry, clean place.
4. It is normal for 23-050231-00 laptop computer Battery to become warm during charging and discharging.
5. A charged Twinhead 23-050231-00 laptop Battery will eventually lose its charge if unused. It may therefore be necessary to recharge the battery after a storage period.