Custom 2 Layer PCB FR-4 1oz Copper Gold Fingers for Energy Storage with HASL/ENIG Option
2 layer FR-4 PCB with gold fingers
,double sided PCB for energy storage
,custom PCB with HASL or ENIG
XingQiang Custom 2-Layer PCB FR-4 Battery Protection Board:
As a professional custom PCB manufacturer, XingQiang provides high‑quality 2‑layer rigid PCBs for BMS and battery protection applications. Made of premium FR‑4 material with excellent heat resistance and long service life. We offer OEM/ODM services, flexible prototyping, and mass production. Our PCBs ensure stable performance for e‑bikes, portable chargers, and energy storage systems.
Product Highlights & Advantages:
| Item | Details |
|---|---|
| Board Type | 2-layer rigid PCB, double-sided design |
| Material | High-performance FR-4 substrate, stable insulation |
| Surface Finish | ENIG / HASL available, good solderability |
| Temperature Resistance | Excellent heat resistance, high reliability |
| Customization | Full OEM/ODM support, customizable layout |
| Production | Flexible prototyping & mass production |
| Application | BMS, battery protection, e-bikes, energy storage |
| Quality | Stable performance, long service life |
Files & Details Needed for Your PCB Project:
.
- Gerber files (including layers, drill files, and outline)
- PCB fabrication drawing with specifications (layer count, thickness, material)
- Bill of Materials (BOM) if assembly service is required
- PCB dimensions, tolerances and special technical requirements
- Surface finishing request (ENIG, HASL, OSP, etc.)
- Quantity, delivery time and certification requirements

Factory showcase

PCB Quality Testing

Certificates and Honors


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JNot a fancy shop, but a solid, dependable partner for standard double-sided PCBs. Technically sound, commercially honest, and operationally consistent.
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MThe solder mask exhibits excellent heat resistance; even after performing multiple rework cycles with a 350°C soldering iron, the green mask showed no signs of blistering or peeling.