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LG ENERGY SOLUTION · 21700 Series
LG 21700-M52VT
21700 energy cell with a specified field-use voltage window
The filename says V2, but the document itself identifies Rev. 1, dated 2023-12-19, and is marked non-final. M52VT is kept separate from M52V. Field-use cycling uses 4.1–2.85V in the supplied specification.
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MODEL OVERVIEW
LG 21700-M52VT — Selection & Sourcing
LG 21700-M52VT is a 21700 cylindrical lithium-ion cell. The supplied document lists 18.73Wh nominal. The filename says V2, but the document itself identifies Rev. 1, dated 2023-12-19, and is marked non-final. M52VT is kept separate from M52V. Field-use cycling uses 4.1–2.85V in the supplied specification.
For pack qualification, review the charge profile, continuous and peak load, mechanical clearances, protective circuitry and cell temperatures against the exact specification. A similar cylindrical format does not make different cell models interchangeable.
For a model-specific quotation, provide your sample and production quantities, delivery destination and required documentation. Source reference: 2023-LSD-MBD-b00042, INR21700M52VT, Rev. 1, 2023-12-19, pages 5–9. Document contents take precedence over the V2 filename.
TECHNICAL REFERENCE
Specifications & Operating Conditions
Read each value with its test conditions. Confirm the applicable document revision before design approval.
| Model / catalog code | LG 21700-M52VT |
|---|---|
| Cell format | 21700 Series |
| Nominal energy | 18.73Wh; charge 1.5A to 4.20V / 50mA termination, discharge 1A to 2.50V at 25°C |
| Minimum energy | 18.34Wh under the same energy measurement conditions |
| Nominal voltage | 3.69V |
| C-rate reference | 1C = 5000mA; this is a test-current basis, not a guaranteed rated capacity |
| Energy measurement voltage window | 4.20–2.50V |
| Usable field-cycle voltage window | 4.10–2.85V; source sections 2.4, 2.6 and 4.2.4 |
| Maximum charge current by ambient temperature | 1500mA at 0–25°C; 3500mA at 25–45°C |
| Maximum discharge current by ambient temperature | 2500mA at −20–10°C; 15000mA at 10–25°C; 7500mA at 25–55°C; observe temperature and voltage limits |
| Operating temperature (ambient) | Charge: 0–45°C; discharge: −20–55°C |
| BMU cell-surface temperature limits | Below 50°C during charge and 70°C during discharge |
| Dimensions | Diameter ≤21.44mm; height ≤71.00mm |
| Weight | 67.7 ± 1.0g, tubed cell |
| Cycle life — field-use window | ≥86% initial energy at 500 cycles; charge 1.5A to 4.1V / 250mA termination; discharge 2.5A to 2.85V; 25°C; rest 10min / 20min |
| Cycle life — additional laboratory test | ≥75% initial energy at 500 cycles; charge 2.5A to 4.2V / 250mA termination; discharge 5A to 2.5V; 25°C; rest 10min / 20min. Not a replacement for the specified field-use voltage window. |
| Charge termination note | Section 4.1.1 uses 250mA; energy measurement sections 2.1 / 4.1.3 use 50mA. Match the termination condition to the stated measurement. |
Specification basis
Technical reference: 2023-LSD-MBD-b00042, INR21700M52VT, Rev. 1, 2023-12-19, pages 5–9. Document contents take precedence over the V2 filename. Confirm the applicable revision and offered lot before design approval. The supplied source is summarized here; it is not offered as a public PDF download.
APPLICATION REVIEW
What to Check for Your Pack
For these project types, compare usable energy at the working load, cell-holder tolerances, busbar design and the temperature-dependent operating limits.
- Energy and load: usable energy, continuous current, peak duration and charging opportunities.
- Mechanical and thermal fit: the exact drawing, connections, enclosure temperature and cooling arrangement.
- Qualification: a test plan based on the finished equipment, including its protection settings and required approvals.
PROCUREMENT DOCUMENTS
Datasheet, Traceability & Certificates
Ask for the specification and drawing that match the offered lot. If your project needs a UN 38.3 test summary, SDS or a particular cell certificate, include that requirement in the enquiry.
BUYER QUESTIONS
Before You Order
Is this cell suitable for my application?
For these project types, compare usable energy at the working load, cell-holder tolerances, busbar design and the temperature-dependent operating limits. Application names on this page are evaluation starting points, not a claim that an OEM has approved this exact cell.
Can I get the LG 21700-M52VT datasheet?
Yes—send the complete model code and your project requirements. We will review the matching specification and available documentation with you. Any preliminary values should be confirmed before production approval.
What are the wholesale price, MOQ and lead time?
These are quoted for the requested model, quantity, available lot and destination. Send sample demand and expected production volume so the offer can address your schedule.
Which documents should accompany the order?
Ask for the applicable specification revision, lot identification, SDS and UN 38.3 test summary, plus any model-specific certificates required for your market. Cell documents do not replace finished-pack or equipment approval.
Compare Other 21700 Series
Compare exact specifications; a similar format does not mean the cells are interchangeable.
