Power Bank PCBA Mainboard
Complete Assembled Circuit Board for DIY Portable Power Bank
Product Overview
This finished power bank PCBA is fully pre-soldered with all electronic components, serving as the core control board for DIY portable power banks. Equipped with Type-C + Micro USB input and dual USB-A output, it supports 3.7V lithium battery packs with full multi-protection circuit design. Adopts high-quality FR4 substrate, stable conversion efficiency, ideal for power bank manufacturers and DIY assembly projects.
Key Features
- Complete pre-assembled PCBA with full components
- Dual USB + Type-C multi-port charge & discharge
- Full protection: overcharge/over-discharge/short circuit
- Supports 3.7V lithium-ion & lithium polymer cells
- Industrial FR4 high stability circuit substrate
- Suitable for DIY and mass power bank production
Core Specs
- Input: 5V 2A (Type-C + Micro USB)
- Output: Dual USB 5V 2.1A Max
- Battery Input: 3.7V Li-ion Battery
- Base Material: FR4 PCB
- Protection: Full set of safety circuits
- Application: DIY power bank production
Product Details
