# CM BATTERIES > As a technology\-driven battery manufacturer, CM Batteries provides custom battery pack design, engineering, and testing services\. Generated by Yoast SEO v28.2, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [CMB WHITE PAPERS](https://cmbatteries.com/cmb-white-papers/) - [CMB Engineering \& Design Guide](https://cmbatteries.com/cmb-engineering-design-guide/) - [HOME](https://cmbatteries.com/) - [Contact](https://cmbatteries.com/contact/) - [Custom Lithium Battery Pack Design \& Manufacturing](https://cmbatteries.com/custom-battery-packs/) ## Posts - [What Will Happen If The Lithium Ion Battery Is Submerged In Water?](https://cmbatteries.com/what-will-happen-if-the-lithium-ion-battery-is-submerged-in-water/) - [How To Connect Two 12 Volt Batteries In Parallel \& Series?](https://cmbatteries.com/how-to-connect-two-12-volt-batteries-in-parallel/) - [Lithium Battery Calculator Guidance](https://cmbatteries.com/lithium-battery-calculate-guidance/) - [AA Battery Guide: Chemistry, Capacity, Charging \& How to Choose](https://cmbatteries.com/aa-battery-guide/) - [AA vs AAA Batteries: Differences in Size, Voltage, Capacity \& Usage](https://cmbatteries.com/aa-vs-aaa-batteries/) ## Projects - [48V 30Ah Low\-Temperature Sodium\-Ion Battery Pack](https://cmbatteries.com/project/48v-30ah-sodium-ion-battery/) - [48V 105Ah Sodium\-Ion Battery Pack](https://cmbatteries.com/project/48v-105ah-sodium-ion-battery-pack/) - [Custom Sodium Ion Battery Pack](https://cmbatteries.com/project/custom-sodium-ion-battery-pack/) - [Custom 12V Sodium\-Ion Battery](https://cmbatteries.com/project/custom-12v-sodium-ion-battery/) - [Waterproof Lithium Battery Pack](https://cmbatteries.com/project/waterproof-battery-pack/) ## Optional - [Sitemap index](https://cmbatteries.com/sitemap_index.xml)