UPNRG Professional 12.8V 300Ah Ultra-Capacity Battery
Powerhouse Facts: 300Ah Storage | 1300 CCA Start | 4S4P Scalable
Factual Specifications (Model 300Ah Series)
| Voltage | 12.8V (LFP) | Reality Capacity | 300Ah |
| Starting Power | 1300 CCA | Cycle Life | 3000 Times (80% DOD) |
| Continuous Current | 150A | Max Scalability | 4S (48V) / 4P (1200Ah) |
| Cell Tech | Great Power Prismatic Cells | Weight | 27kg (59.52 lbs) |
UPNRG Engineering Advantage
Protection & Scalability Physical Proof:
Professional Application Scenarios
Optimized for: Solar ESS, Marine Boats, RV Campers, Home Backup Power, and Heavy Electric Vehicles.
Packaging & Logistics Security
Every 27kg UPNRG battery is secured with custom-fit high-density foam and heavy-duty corrugated cartons to ensure zero damage during international shipping.
UPNRG Manufacturing Excellence
Official Certifications (CE / UN38.3 / MSDS):
Frequently Asked Questions
1. Who is UPNRG?
We are a professional lithium battery factory based in Guangdong, China (Est. 2012). We provide premier solutions for new energy applications, from yacht engine starting to residential solar storage.
2. How is quality guaranteed?
We implement a strict ISO standard process. Always a pre-production sample before mass production and 100% final inspection before shipment.
3. Why choose UPNRG over lead-acid?
Our 300Ah LiFePO4 battery offers 10x the cycle life of lead-acid with the same physical footprint. It is significantly safer, fireproof, and weighs 70% less.
4. What are the delivery terms?
We support FOB, CFR, CIF, EXW, and DDP with 24-month warranties standard on this flagship model.





