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LG INR21700-M50LT

In brief: 21700 Li-ion battery cell. 4800mAh capacity. 7.2A continuous discharge.

Specs verified Sep 1, 2026

Where to Find

Prices tracked across 2 sellers

Price History

Price History
Price changes tracked by the crawler

Current best price $4.99. Over the past 90 days: low $4.99, high $4.99, average $4.99 — about average.

  • 18650 Battery
  • IMR Batteries
Jun 5Jun 13Jun 21Jun 29Jul 7Jul 15Jul 23Jul 31Aug 8Aug 16Aug 24Sep 1$2.00$3.00$4.00$5.00$6.00
All Records
46 price records in this period
DatePriceShippingTotalChangeCouponRatingSalesIn StockStatus
18650 Battery(31 records)
Sep 1, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 30, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 26, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 24, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 22, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 18, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 16, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 14, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 10, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 8, 202609:00 AM$4.99$4.99$0.00Noactive
Aug 6, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 31, 202609:06 AM$4.99$4.99$0.00Noactive
Jul 25, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 23, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 21, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 15, 202609:04 AM$4.99$4.99$0.00Noactive
Jul 9, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 7, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 5, 202609:00 AM$4.99$4.99$0.00Noactive
Jul 1, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 29, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 27, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 23, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 21, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 19, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 15, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 13, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 12, 202609:00 AM$4.99$4.99$0.00Noactive
Jun 9, 202609:07 AM$4.99$4.99$0.00Yesactive
Jun 7, 202609:07 AM$4.99$4.99$0.00Yesactive
Jun 5, 202610:59 AM$4.99$4.99InitialYesactive
IMR Batteries(15 records)
Aug 28, 202609:20 PM$4.99$4.99$0.00Noactive
Aug 24, 202609:19 PM$4.99$4.99$0.00Noactive
Aug 20, 202609:01 PM$4.99$4.99$0.00Noactive
Aug 16, 202608:46 PM$4.99$4.99$0.00Noactive
Aug 12, 202606:51 PM$4.99$4.99$0.00Noactive
Aug 7, 202610:06 AM$4.99$4.99$0.00Noactive
Jul 22, 202606:27 PM$4.99$4.99$0.00Yesactive
Jul 9, 202606:30 PM$4.99$4.99$0.00Noactive
Jul 5, 202605:49 PM$4.99$4.99$0.00Noactive
Jun 30, 202610:10 AM$4.99$4.99$0.00Noactive
Jun 25, 202611:27 AM$4.99$4.99$0.00Noactive
Jun 21, 202612:05 PM$4.99$4.99$0.00Noactive
Jun 16, 202609:47 AM$4.99$4.99$0.00Noactive
Jun 13, 202603:46 PM$4.99$4.99$0.00Noactive
Jun 12, 202611:07 AM$4.99$4.99InitialNoactive

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Specifications

Cell Specs

Form Factor
21700
Chemistry
Li-ion
Capacity
4800mAh
Continuous Discharge
7.20A

Physical

Weight
68 g
Dimensions (L×W×H)
70mm × 21mm × 21mm

Resources

Official Batemo Page

Manufacturer Page<p>Get everything you need for the lithium-ion battery cell LG Energy Solution INR21700-M50LT: Extensive measurement data in the total operation regime, a high-precision, physical battery model with global validity, and a teardown report that contains all details about materials and microstructures.</p> <table> <colgroup> <col width="50%"> <col width="50%"> </colgroup> <tbody> <tr> <td>Cell Origin</td> <td style="text-align:right">purchased on free market</td> </tr> <tr> <td>Cell Format</td> <td style="text-align:right">21700</td> </tr> <tr> <td>Dimen­sions</td> <td style="text-align:right">21.1 x 70.3&nbsp;mm</td> </tr> <tr> <td>Weight</td> <td style="text-align:right">67.7 g</td> </tr> <tr> <td>Capacity<br> <span class="collapseomatic noarrow" id="id699f74b973fc2" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b973fc2" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b973fc2" class="collapseomatic_content collapsible_orange"> The nominal capacity origi­nates from the manufac­tur­er’s data sheet, if avail­able. When the data sheet is unavail­able, the nominal capacity is estimated. Batemo measured the C/10 capacity by discharging the cell at an ambient temper­a­ture of 25°C from 100% with a constant current of 0.48A (0.1C) until reaching the voltage of 2.5V. The thermal boundary condi­tion is free convection.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">nominal</span>&nbsp;4.80 Ah<br> <span style="font-size: 10px">C/10</span>&nbsp;4.79 Ah</td> </tr> <tr> <td>Current<br> <span class="collapseomatic noarrow" id="id699f74b97403e" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b97403e" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b97403e" class="collapseomatic_content collapsible_orange"> All quanti­ties are measure­ment results from the Batemo battery labora­tory.<br> The contin­uous current is the highest current that completely discharges the cell without overheating it. There­fore, the cell is discharged from 100% state of charge (SOC) at an ambient temper­a­ture of 25°C with a constant current until a residual state of charge of 10% and either the lower voltage limit of 2.5V or 90% of the maximum surface temper­a­ture (63°C) is reached.<br> The peak current is the current that the cell can supply for 5 minutes. The cell is there­fore discharged from 100% SOC at an ambient temper­a­ture of 25°C with a constant current until it reaches either the lower voltage limit of 2.5V or the maximum surface temper­a­ture of 70°C after 5 minutes. For cells that reach the maximum surface temper­a­ture, the measured current is taken directly as the peak current. For cells that do not reach the maximum surface temper­a­ture after 5 minutes because they reach the lower voltage limit first, the measured current is multi­plied by a correc­tion factor that estimates the current that would have heated the cell to the maximum surface temper­a­ture within 5 minutes.<br> The thermal boundary condi­tion is free convec­tion. These operating conditions may be outside the cell manufacturer’s specification.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">contin­uous</span>&nbsp;10.3 A<br> <span style="font-size: 10px">peak</span>&nbsp;21.4 A</td> </tr> <tr> <td>Energy<br> <span class="collapseomatic noarrow" id="id699f74b97408c" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b97408c" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b97408c" class="collapseomatic_content collapsible_orange"> Batemo measured the C/10 energy by discharging the cell at an ambient temper­a­ture of 25°C from 100% with a constant current of 0.48A (0.1C) until reaching the voltage of 2.5V. The thermal boundary condi­tion is free convection.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">C/10</span>&nbsp;17.8 Wh</td> </tr> <tr> <td>Power<br> <span class="collapseomatic noarrow" id="id699f74b9740d5" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b9740d5" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b9740d5" class="collapseomatic_content collapsible_orange"> All quanti­ties are measure­ment results from the Batemo battery labora­tory.<br> The contin­uous power is the highest power that completely discharges the cell without overheating it. There­fore, the cell is discharged from 100% state of charge (SOC) at an ambient temper­a­ture of 25°C with a constant current until a residual state of charge of 10% and either the lower voltage limit of 2.5V or 90% of the maximum surface temper­a­ture ( 63°C) is reached.<br> The peak power is the power the cell can supply for 5 minutes. The cell is there­fore discharged from 100% SOC at an ambient temper­a­ture of 25°C with a constant current until it reaches either the lower voltage limit of 2.5V or the maximum surface temper­a­ture of 70°C after 5 minutes. For cells that reach the maximum temper­a­ture limit, the measured power is directly taken as peak power. For cells that do not reach the maximum surface temper­a­ture after 5 minutes because they reach the lower voltage limit first, the measured power is multi­plied by a correc­tion factor that estimates the power that would have heated the cell to the maximum surface temper­a­ture within 5 minutes.<br> The thermal boundary condi­tion is free convec­tion. These operating conditions may be outside the cell manufacturer’s specification.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">contin­uous</span>&nbsp;35.8 W<br> <span style="font-size: 10px">peak</span>&nbsp;75.2 W</td> </tr> <tr> <td>Energy Density<br> <span class="collapseomatic noarrow" id="id699f74b97411d" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b97411d" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b97411d" class="collapseomatic_content collapsible_orange"> The energy densi­ties result from the C/10 energy, the cell weight and the cell volume.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">gravi­metric</span>&nbsp;263 Wh/kg<br> <span style="font-size: 10px">volumetric</span>&nbsp;723 Wh/l</td> </tr> <tr> <td>Power Density<br> <span class="collapseomatic noarrow" id="id699f74b974164" tabindex="0" alt="definition" title="definition">defin­i­tion</span><span id="swap-id699f74b974164" alt="'close'" class="colomat-swap" style="display:none;">close</span><div id="target-id699f74b974164" class="collapseomatic_content collapsible_orange"> The power densi­ties result from the peak power, the cell weight and the cell volume.<br> </div></td> <td style="text-align:right"> <span style="font-size: 10px">gravi­metric</span>&nbsp;1.11 kW/kg<br> <span style="font-size: 10px">volumetric</span>&nbsp;3.06 kW/l</td> </tr> </tbody> </table>

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