![Jelmer Tiete on Twitter: "If you were wondering about the battery controller in a macbook air. It's the #bq20z451 and 4 14Wh Sanyo cells. http://t.co/V51QkjiGPf" / Twitter Jelmer Tiete on Twitter: "If you were wondering about the battery controller in a macbook air. It's the #bq20z451 and 4 14Wh Sanyo cells. http://t.co/V51QkjiGPf" / Twitter](https://pbs.twimg.com/media/CKIMOxKVEAACMcK.jpg)
Jelmer Tiete on Twitter: "If you were wondering about the battery controller in a macbook air. It's the #bq20z451 and 4 14Wh Sanyo cells. http://t.co/V51QkjiGPf" / Twitter
![iLead Replacement Laptop Battery for Apple MacBook Unibody 13″ A1342 (Late 2009 Mid 2010) fits 020-6582-A MC233LL/A MC207LL/A A1331 – ldtech iLead Replacement Laptop Battery for Apple MacBook Unibody 13″ A1342 (Late 2009 Mid 2010) fits 020-6582-A MC233LL/A MC207LL/A A1331 – ldtech](https://ldtech.co.nz/wp-content/uploads/2021/08/qqssssa333.png)
iLead Replacement Laptop Battery for Apple MacBook Unibody 13″ A1342 (Late 2009 Mid 2010) fits 020-6582-A MC233LL/A MC207LL/A A1331 – ldtech
![Incorrect SoC (State of Charge) reported by a laptop battery with BQ20Z451 – Page 3 – Laptop Battery Chip Reset, Reprogram and Repair – Laptop Battery Analyzer and Repair Forum Incorrect SoC (State of Charge) reported by a laptop battery with BQ20Z451 – Page 3 – Laptop Battery Chip Reset, Reprogram and Repair – Laptop Battery Analyzer and Repair Forum](https://www.laptopu.ro/wp-content/uploads/wpforo/attachments/196/742-Bateria-001.jpg)
Incorrect SoC (State of Charge) reported by a laptop battery with BQ20Z451 – Page 3 – Laptop Battery Chip Reset, Reprogram and Repair – Laptop Battery Analyzer and Repair Forum
![11.1V A1322 Battery for MacBook Pro 13 Unibody - A1278 - Mid 2009 / Mid 2010 / Early 2011 / Late 2011 / Mid2012 11.1V A1322 Battery for MacBook Pro 13 Unibody - A1278 - Mid 2009 / Mid 2010 / Early 2011 / Late 2011 / Mid2012](https://res.cloudinary.com/subtel/image/upload/h_200/q_auto:eco,f_auto/eahp9zloapd0roaruyqb.jpg)