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
LG M58T 21700 Cell – 5800mAh – High-Capacity Lithium-Ion Battery - Check availability
Continuous discharge: 12.5A
The LG M58T 21700 5800mAh is a high-capacity lithium-ion cell designed for applications that need long runtime, strong energy density, and dependable moderate-current performance.
With 5800mAh nominal capacity (5570mAh minimum), 3.59V nominal voltage, and up to 12.5A continuous discharge with proper temperature protection, this cell is well suited for electric bikes, LEV battery packs, long-range energy-focused assemblies, and other custom high-capacity pack builds.
LG Energy Solution specifies the M58T for LEV (E-bike) use and for integration into battery packs with protective circuitry. It is best used in properly engineered packs with suitable BMS/PCB protection and temperature monitoring.
Specifications:
| Model | LG INR21700M58T |
| Size | 21700 |
| Nominal Capacity | 5800mAh |
| Minimum Capacity | 5570mAh |
| Nominal Voltage | 3.59V |
| Max Voltage | 4.2V |
| Min Discharge Voltage | 2.5V |
| Max Continuous Discharge | 12.5A with cell surface temperature control (re-discharge below 50°C) |
| Pulse Discharge | 9A for 15s (-20°C to 0°C) / 15A for 15s (0°C to 60°C) |
| Standard Charge Current | 1.12A (1120mA) |
| Max Charge Current | 2.7A at 4.2V cut-off (10°C to 50°C) / 5A at 4.0V cut-off (10°C to 40°C, limited repeated use) |
| Standard Discharge | 1.12A (1120mA), 2.50V cut-off |
| Chemistry | Li-ion |
| Protected | No |
| Rechargeable | Yes |
| Initial AC Impedance | ≤15mΩ |
| Initial DC Impedance | ≤20mΩ |
| Approx. Weight | 73.2g Max |
| Dimensions | 21.30–21.80mm diameter × 70.50–71.00mm height |
| Operating Temperature | Ambient — Charge: 0°C to 50°C / Discharge: -20°C to 60°C; Cell surface — Charge: 0°C to 55°C / Discharge: -20°C to 70°C |
| Storage Condition | Shipping state: -20°C to 60°C within 1 month; -20°C to 45°C within 3 months; -20°C to 25°C within 1 year; recovery energy ≥80% of minimum energy |
| Cycle Life | Recovered energy ≥80% of 20.3Wh at 500 cycles (2.7A charge / 7.5A discharge, per stated test condition) |
| Datasheet | Datasheet |
Applications:
- ✅ Long-Range E-Bikes
- ✅ Energy Storage Modules
- ✅ Portable Power Stations
- ✅ Solar Backup Battery Packs
- ✅ Endurance-Focused Custom Builds
DIY500AMP.COM Design – High-Capacity, Long-Range Performance
⚠️ Safety Warning for Lithium-Ion Battery Usage
Customers should understand proper lithium-ion battery handling before use. These cells can present fire, burn, or explosion hazards if short-circuited, overcharged, physically damaged, overheated, punctured, or used outside manufacturer specifications. Always charge on a fire-resistant surface and never leave charging batteries unattended.
By purchasing or using this battery, the user assumes responsibility for correct handling, pack integration, charging, temperature management, and protection. This cell is best used in a properly designed battery pack with appropriate BMS/PCB protection. Only use chargers and charging methods designed for this battery type, and never mix old and new cells in the same pack.
Important Usage Guidelines:
- Not for Use in E-Cigarettes or Similar Devices
- Use in a Properly Protected Pack
- Spot Weld Only – Do Not Solder Directly
- Monitor Temperature During Charging and Discharge
- Inspect Wrap and Insulator Ring Before Use
- Follow Manufacturer Specs Strictly
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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Wow, these cells are great!
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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