Premium LiFePO4 batteries and complete solar systems. US-assembled for quality and speed.
Final assembly and testing in US or EU for faster shipping and better quality control vs direct China imports.
Grade A cells from EVE and CATL. Every assembled pack tested before shipping. 10-year warranty.
In-stock items ship in 3-5 days. Pre-orders ship in 2-4 weeks. Free shipping on orders over $500.
Assembled 48V LiFePO4 battery packs from 5kWh to 30kWh. US-assembled with EVE or CATL Grade A cells.
Complete off-grid solar systems. Battery + inverter + monitoring in one package. Professional installation available.
Individual LiFePO4 cells, BMS systems, cables, and accessories for DIY battery builds.
Mining containers, cooling systems, racks, and complete off-grid mining packages.
Unlike direct Chinese imports, our battery packs are assembled and tested in the US or EU. Faster shipping, better quality control, and local support.
We use only Grade A cells from top manufacturers EVE and CATL. Every cell tested and matched for optimal performance and longevity.
30-day money-back guarantee. 10-year warranty on assembled packs (vs 5 years from Chinese direct). Comprehensive testing before shipment.
Source Parts has 10+ years of manufacturing experience. Technical support via phone and email. Installation consultation available.
In-stock items ship in 3-5 business days. No 30-60 day waits like direct China orders. Track your shipment every step of the way.
Competitive with US-stock Chinese suppliers, with better quality and warranty. Volume discounts available for contractors and installers.
Browse our complete selection of batteries, solar equipment, and components. Need help choosing? Contact our team for expert consultation.