4 Easy Ways to Charge a Laptop Battery Without a Charger - wikiHow
Amazon.com: Voltaic Systems - V88 Portable Laptop Power Bank 24,000mAh / 88Wh with USB-C PD Power Delivery | Solar Optimized External Laptop Battery Travel Charger for Laptops : Electronics
help me decipher the bms of these two laptop batteries. could i just use these bms as regular bms and just input 12v in the p+ and p- to charge the batteries :
External Laptop battery charger | Laptop battery, Universal power adapter, Solar kit
Can a laptop charger be used to charge a LiFePO4 battery?