EVE C46PH-V1.1 3.2V 21Ah LFP Cylindrical Cell | 13000 Long Cycles, 30C Peak High Rate Discharge
EVE C46PH-V1.1 is 4680-size cylindrical LiFePO4 cell with nominal 3.2V 21Ah, ultra-long 13000 cycles at 25℃ & 50%DOD (70% capacity retention). It delivers outstanding high-rate performance: max 8C continuous discharge, 30C 10s pulse peak output, 5C steady charge. Ultra-low DCR 1.4±0.1mΩ minimizes heat loss. Wide working temp from -35℃ charge to -40℃ discharge, stable output under extreme cold. Passes GB38031 & UN38.3 safety tests, low self-discharge ≤3%. Perfect for ESS, low-speed EV, industrial power, heavy-duty UPS with strict cycle & high-current demands.
1.Basic Parameters

| Battery Type |
C46PH-V1.1 |
| Nominal Voltage |
3.2V |
| Nominal Capacity |
21Ah |
| Working Voltage |
2.0V–3.7V |
| Max Charge Curent |
5C |
| Max Discharge Current |
8C |
| Peak Discharge Current |
30C |
| Internal Resistance |
≈0.4mΩ |
| Charge Temperature |
-30-65℃ |
| Discharge Temperature |
-40~65℃ |
| Storage Temperature |
−20~55℃ |
| Cycle Life |
≥13000 cycles |
| Battery Size |
φ46.8*146.4mm |
| Battery Weight |
0.51kg |
| Warranty |
2 Years |
EVE C46PH-21Ah
High-Capacity LFP Cylindrical Power Cell — Industry Benchmark
⚡ 70C Pulse Discharge (Lab Verified)
⚡ 1,604A ACC Cranking Current (Customer Field Tested)
🔋 ACR: 0.48 mΩ (Lab Verified)
🚀 5C Fast Charging
♻️ 13,000 Standard Cycle Life (Official Spec)
🔥 5,000 High-Temperature Cycles (Official Spec)
❄️ Retains 79% Energy Output at -30°C

⭕ 46mm Large Cylindrical Form Factor
Uniform heat dissipation
Stable performance under high-rate operation
Minimal swelling risk
Dual positive & negative terminal safety burst valves
2. Why Cylindrical LiFePO4 Cells
Widely adopted for ESS, portable power and EV battery packs, Grade A cylindrical LFP cells stand out among prismatic & pouch lithium batteries with comprehensive structural and cost merits as below:
High Safety: Rigid steel casing resists swelling explosion, safer than pouch/prismatic cells under overcharge or collision.
Stable Quality & Cost-effective: Standard sizes enable fully automatic production, uniform cell performance and lower bulk cost.
Great Thermal Management: Round shape leaves natural gaps for air circulation to disperse heat efficiently.
Durable Performance: Wound electrode structure delivers strong shock resistance and longer cycle life.
Flexible Assembly: Easy series-parallel combination; faulty single cell can be swapped separately to save maintenance cost.
Widely Applications: Portable power station, home energy storage, electric vehicles.
Battery Module/Pack Customization
NOGIPower provides full customization service including semi-finished battery pack customization & finished battery OEM/ODM. For 21700 cells, NOGIPower adopts advanced laser welding technology for cylindrical cell assembly via 3 standardized steps: cell grading & arrangement, precision laser spot welding and modular forming. Featuring ultra-low internal resistance, robust welding joint and flexible customized layout, our semi-finished modules or pack serve energy storage, e-vehicle and industrial power supply industries with high precision, reliability and production efficiency.

3.Real Customer Reviews
Our growth comes from every customer’s recognition. NOGIPower team are committed to delivering reliable batteries to our customers.

4.Customer FAQ
Q: What certifications do your batteries have?
A: Our batteries are certified with UN38.3, CE, FCC, RoHS, IEC62133, UL and other regional certifications as required.
Q: Can you provide MSDS, test reports and transport documents?
A: Yes, we can provide full documentation including MSDS, UN38.3 test report, cargo transport assessment report, and certification files.
Q: What’s your MOQ (Minimum Order Quantity)?
A: No strict MOQ requirement. Small samples are available for testing.
Q: Can you ship to our port/warehouse directly?
A: Yes, FOB/CIF/DAP/DDP are all available for most countries. DDP (door to door and duty paid) is preferred by a larger number of customers.
Q: Do you support OEM/ODM customization?
A: Yes, battery pack/OEM/ODM available.
5.Who We are?
NOGIPower focus on high-performance lithium battery solutions.We have established long-term in-depth cooperation with renowned battery manufacturers including CATL, CALB, EVE and Farasis etc. Our product lineup includes LFP batteries, NMC ternary lithium batteries and energy storage systems, alongside professional OEM & ODM customization services.
All products comply with international standards, featuring superior safety and long service life. Our reliable solutions are widely applied in solar energy storage, vehicles and industrial power sectors. We partner with clients worldwide to advance sustainable energy development.
