optimumnano
Why Choose This 12.8V 7.5Ah LiFePo4 Battery
Looking for a small, lightweight and reliable 12V lithium battery to replace traditional lead-acid batteries?
The 12.8V 7.5Ah LiFePo4 Battery from Jiangsu OptimumNano Energy Co., Ltd. is engineered for stable performance, high safety and long service life.
It is an ideal solution for compact power systems, backup power, and portable energy applications where space, weight and reliability matter most.
Built by a State-Owned Aerospace Battery Manufacturer
Jiangsu OptimumNano Energy Co., Ltd. is a lithium battery business platform under China Aerospace Science and Technology Group.
Headquarters: Gaoyou, Jiangsu, China
Production base: 3,000 mu industrial park
Planned capacity: 50GWh
Fully automated cylindrical battery production lines
Aerospace-grade manufacturing standards
When you choose OptimumNano, you are not buying from a trading company —you are sourcing directly from a large-scale, state-owned battery manufacturer.
Product Highlights
Safe & Stable LiFePO4 Chemistry
Built-in PCB/BMS provides protection against overcharge, over-discharge, short circuit and overheating.
Long Cycle Life
Up to 2000 charge-discharge cycles, delivering 8× longer lifespan than lead-acid batteries.
Lightweight & Compact
Only about 1/3 the weight of lead-acid batteries, ideal for space-limited installations.
Low Self-Discharge
Less than 3% per month, perfect for standby and backup power applications.
High Temperature Performance
Stable operation under demanding environments.
Environment Friendly
Non-toxic, no heavy metals, no memory effect.
Technical Specifications
Battery Type: LiFePO4 Battery
Nominal Voltage: 12.8V
Capacity: 7.5Ah
Max. Charge Voltage: 14.6V
Standard Charge Current: 7.5A
Max. Continuous Discharge Current: 7.5A
Charging Temperature: 0℃ ~ 45℃
Dimensions: 98.5 × 40 × 151 mm
Cycle Life: Up to 2000 cycles
Brand: OptimumNano
Origin: Jiangsu, China
Typical Applications
Backup power systems
Solar energy storage (small systems)
Consumer electronics
Control systems and monitoring devices
Replacement for sealed lead-acid batteries
Portable power solutions
If you are unsure whether this battery fits your application, our engineers can help you confirm.
Supply & Delivery
Monthly Capacity: 30,000 pcs
Lead Time:
Small orders: approx. 15 days
Bulk orders: negotiable
Shipping Ports: Shanghai / Shenzhen
Global Shipping Supported
OEM / ODM Customization Available
We support full customization, including:
Logo printing
Battery size & capacity adjustment
BMS configuration
Cable & connector selection
Packaging design
MOQ is flexible. Sample orders are welcome.
Quality Assurance & After-Sales Support
100% inspection before shipment
24-hour online technical support
Professional engineer assistance
Stable long-term supply for repeat orders
FAQ
1. Is this battery a direct replacement for lead-acid batteries?
Yes. It is designed as a direct replacement with longer lifespan and lower weight.
2. Do you support OEM and private labeling?
Yes, OEM and ODM services are fully supported.
3. Are the batteries tested before shipment?
Yes, all batteries undergo full QC inspection before delivery.
4. What is your minimum order quantity?
Small MOQ is acceptable. Samples are available for testing.
5. What payment terms do you accept?
T/T and L/C. Standard terms: 30% deposit, 70% before shipment.
6. What delivery terms do you offer?
FOB, EXW, CFR, CIF, DDP, DDU.
7. Can you provide technical support after purchase?
Yes. Our engineers provide remote technical and video support.
8. How long is the warranty period?
Standard warranty applies. Details can be confirmed based on application.
