For battery cells, review the product description for real-world current recommendations, testing notes, and application guidance. Manufacturer maximum ratings should be treated as limits, not the best target for long-term pack health.
Description
EVE 33V 18650 Cell – 3200mAh – High-Energy Lithium-Ion Battery - Check availability
Continuous discharge: 10A
The EVE 33V 18650 is a high-energy lithium-ion cell designed for applications that need strong runtime in a compact 18650 format.
With 3200mAh nominal capacity (3100mAh minimum), 3.60V nominal voltage, and up to 10A continuous discharge, the EVE INR18650/33V is well suited for portable battery packs, flashlights, backup power packs, and other moderate-drain 18650 builds.
EVE lists the 33V (18650) as a 3.2Ah cylindrical NCM cell with 1C max continuous charge and 3C max continuous discharge. It is best used in properly engineered battery packs or host devices with suitable protection and thermal management.
Specifications:
| Model | EVE INR18650/33V |
| Size | 18650 |
| Typical Capacity | 3200mAh |
| Minimum Capacity | 3100mAh |
| Nominal Energy | 11.52Wh |
| Minimum Energy | 11.16Wh |
| Nominal Voltage | 3.60V |
| Max Voltage | 4.20V |
| Min Discharge Voltage | 2.50V |
| Max Continuous Discharge | 10A |
| Standard Charge Current | 1550mA (0.5C) CC/CV to 4.20V, 62mA cut-off |
| Max Charge Current | 3100mA (1C) CC/CV to 4.20V, 62mA cut-off |
| Standard Discharge | 620mA (0.2C), 2.50V cut-off |
| Chemistry | NCM / INR (Lithium-ion) |
| Rechargeable | Yes |
| Initial AC Impedance | ≤30mΩ at 1kHz |
| Approx. Weight | 46.0±2.0g |
| Dimensions | 18.35±0.10mm diameter × 65.00±0.15mm height |
| Operating Temperature | Cell surface — Charge: 0 to 15°C ≤0.2C (620mA), 15 to 50°C ≤1.0C (3100mA) / Discharge: -20 to 60°C |
| Storage Condition | At shipping SOC — 1 year: 0 to 25°C; 3 months: 0 to 45°C; 1 month: 0 to 60°C |
| Cycle Life | ≥70% capacity after 800 cycles (0.5C charge to 4.20V with 155mA cut-off; 1C discharge to 3.00V) |
| Datasheet | Datasheet |
Applications:
- ✅ Long-Range E-Bikes
- ✅ Energy Storage Modules
- ✅ Portable Power Stations
- ✅ Solar Backup Battery Packs
- ✅ Endurance-Focused Custom Builds
DIY500AMP.COM Design – Compact High-Energy 18650 Power
⚠️ Safety Warning for Lithium-Ion Battery Usage
This cell is a rechargeable lithium-ion battery. Mishandling, short-circuiting, overheating, overcharging, puncture, crushing, or physical damage can cause fire, burns, or serious injury.
The EVE INR18650/33V should be used in a properly engineered battery pack or host device with over-charge, over-discharge, over-current, over-temperature, and short-circuit protection. EVE also specifies that the cell should not be soldered directly and should be used only within the stated charging and discharging limits.
Important Usage Guidelines:
- Use in a Properly Protected Battery Pack / Host Device
- Monitor Temperature During Charge and Discharge
- Spot Weld Only – Do Not Solder Directly
- Do Not Use if Wrap or Insulator Is Damaged
- Prevent Shorts – Keep Away from Loose Metal Objects
- Do Not Overcharge, Over-Discharge, Crush, Puncture, or Burn
Orders ship from Florida when inventory is available. Lithium-ion cells require proper handling, protected packs, correct chargers, and safe storage. Do not solder directly to battery terminals.
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I purchased some of these tabless cells to try on my 1S 3" HD Toothpick drone build, and, albeit a bit heavy for 1S, it flies pretty well. Not a freestyle monster, but an endurance beast with decent send. These cells shrug off the demands of a BETAFPV Matrix HD AIO flight controller/12A ESC and some 1202.5 11000KV motors. I'm getting 15+ minutes of speedy flight time from a single cell trying not to go below 3.2V, and about 20+ minutes cruising. Love these cells and will definitely buy more when time comes, only from DIY500AMP, who are terrific!
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