Description
WelsonPower’s Lihiutm ion battery include 3.2V Prismatic Cell, cylinder cell, pouch cell and 18650 NMC cells certificates BIS CE, UL, MSDS, and UN38.3 have been approved. our battery cells were already passed all safety tests(overcharge, over-discharge, over-temperature, short circuit, drop, crush, needle puncture tests, etc.).
Product Specifications
| Item Description | Specification |
| Model | WSP-LFP72174207-280Ah |
| Rated Capacity | 280Ah@0.5C |
| Minimum Capacity | 280Ah@0.5C |
| Nominal Voltage | 3.2V |
| Charging Method | CC/CV |
| Charging Voltage | 3.65V |
| End-of-Charge Current | CV Mode:0.02C（5.6A） |
| Discharge Ending Voltage | 2.5V |
| Standard Charge Current | 0.5C(140A) |
| Standard Discharge Current | 0.5C(140A) |
| Maximum Pulse Discharge Current | 1C(280A) |
| Recommend SOC Window | 10%~90% |
| Operating Temperature Range | Charging Temperature:0~50℃ |
| Discharging Temperature:-20~60℃ | |
| Storage Temperature（3 months）:-20~45℃ | |
| Storage Temperature（1year）: -20~25℃ | |
| Optimal Temperature：15~35℃ | |
| AC Impedance | ≤0.25mΩ， (AC Impedance, 1000Hz) |
| Weight | 5400±100g |
Characteristic:
1. Long cycle life:
2. High safety
3. High Energy nsity
4. Good charging and discharging performance;
5. Wi working temperature range
Dimension
| Items | Units: mm |
| Battery width W | 174.5±0.5 |
| Battery height H (No Pole) | 204.5±0.5 |
| Battery height H1 (Including Pole) | 207.5±0.5 |
| Battery thickness T (Free state) | 72.5±0.5 |
| Plate spacing W1 | 123±0.5 |
Discharging Curve
Stud Terminal:
All standard batteries are shipped without stud terminals, but we do offer the option of separate stud terminals at an additional cost to the customer. The customer purchases the separate stud terminals and then welds the studs to the cell themselves using laser welding equipment.
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