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A-grade quality rechargeable CATL 3.2V LiFePO4 battery cells with capacities of 280Ah and 310Ah, designed for backup power systems and marine applications.
Technical Specifications
Normal Capacity
280Ah
Normal Voltage
3.2V
Standard Charging Voltage
3.65V
Internal Resistance
≤0.3Ω
Standard Charge Method
0.5C constant current charge to 3.65V
Standard Discharge Current
0.5C
Max Discharge Current (Continuous)
1.0C
Weight
5.4kg
Cell Size
72×174×200mm
Cycle Life
3500 times
Additional Specifications
Typical Capacity
280 Ah
Refer to standard charge and discharge procedure
Typical Energy
896 Wh
Refer to standard charge and discharge procedure
Operating Voltage
2.5-3.65V (T>0°C) 2.0-3.65V (T≤0°C)
Cell temperature dependent
Impedance (1KHz)
0.17±0.05mΩ
Fresh cell (40% SOC)
Shipping Capacity
112±1 Ah
40% SOC
Cycle Performance
≥6000 Cycles
25±2°C, 300±20Kgf preload
Important Notes
Battery is CATL 280Ah, brand new with stud design
Busbars size: 90×20×2mm (copper plated with nickel), Screw size: M6
All batteries tested for voltage, internal resistance, and capacity before delivery
Secure packaging with thicker carton boxes and foam for safety
LiFePO4 Battery Advantages
Long cycle life: 5000 cycles, 80% capacity remaining after 1200 cycles at 100% DOD
Compact and lightweight: 1/3 the size and weight of lead-acid batteries
Low self-discharge rate: <1%
Cost-effective: 2.5 times the price of lead-acid batteries with superior performance
Advanced BMS compatibility: CANBUS, SMBUS, RS485, RS232, UART communication systems
Built-in protection: Over-charge, over-discharge, over-current, and over-temperature control
Compatible with most standard lead-acid chargers
Environmentally friendly green energy solution
Product Images
Charge Power Specifications
Cell Temperature (°C)
Max Charge Power (0%-100% SOC)
0
0
5
0.05
10
0.10
15
0.20
20
0.35
25
0.5
45
0.5
50
0.5
55
0.5
60
0
Applications
Shipping & Delivery
USA Delivery
Method: Sea + Express (DDP, Tax free)
ETD: 5-8 days
ETA: 25-35 days after sailing
Tracking updates available after local express pickup
EU Delivery
Method: Railway + Express (DDP, Tax free)
ETD: 5-8 days
ETA: 30-45 working days after shipping
Tracking updates available after local express pickup
For remote areas not listed, please provide shipping address and zip code for verification.
About Our Company
Changsha Deligreen Power Co., LTD, founded in 2010, is a "Green Energy Solution Service Provider" specializing in lithium rechargeable batteries, BMS, balancers, chargers, and related products.
Applications: Electric bicycles, scooters, motorhomes, AGVs, solar/wind systems, energy storage systems, trucks, and more.
Our Promises:
Real lithium capacity as specified
100% refund for any quality problems
100% replacement for any shipping damage
Lifetime fast technical support
Frequently Asked Questions
What is the life expectancy of a Lithium battery?
The typical estimated life of Lithium Iron Phosphate (LiFePO4) batteries is 5-15 years or 2000 to 8000 charge cycles. One charge cycle represents use from fully charged to fully discharged and fully recharged again.
Where can I get the price?
Please contact us or request a quote. We will provide the best quote within 24 hours after receiving your product specifications including voltage, capacity, and application requirements.
How can you guarantee your quality?
We typically send samples for confirmation before production. All orders are manufactured exactly as requested. We offer 1-year warranty for small battery packs and 2-3 years for larger battery systems.
What is your term for payment?
We accept T/T, L/C, PayPal, Western Union, Money Gram, Ali Express, Cash, and other payment methods.
What kind of certificates do you have?
We provide CE, ROHS, MSD, and shipping certifications.
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...
