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| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Manufacturer | Misenpower | Model | S40160NL-20Ah |
| Cell Type | Cylindrical steel-can sodium-ion cell | Chemistry | Layered-oxide sodium-ion system |
| Size Designation | 40160 | Approximate Dimensions | Approx. Ø40 × 160mm; |
| Nominal Voltage | 3.1V | Rated Capacity | 20Ah; test conditions not published |
| Nominal Energy | Approx. 62Wh, calculated from 3.1V × 20Ah | Published Energy Density | Approx. 140Wh/kg |
| Published Operating Range | 2.00V to 3.95V | Upper Charge Voltage | 3.95V from published operating range; charging protocol TBD |
| Lower Discharge Voltage | 2.00V from published operating range; protection threshold TBD | Published Cycle Life | ≥3,000 cycles; DOD, rates, temperature and retention threshold not published |
The S40160NL-20Ah is a large cylindrical sodium-ion cell with 3.1V nominal voltage, 20Ah rated capacity and approximately 62Wh of nominal energy. Its steel-can construction and layered-oxide material system are intended for light electric mobility, industrial machinery, portable energy storage, starter power and UPS applications requiring an alternative rechargeable battery chemistry.
The S40160NL-20Ah provides a published nominal voltage of 3.1V and rated capacity of 20Ah. This combination produces approximately 62Wh of nominal energy per cell, creating a large-cell sodium-ion platform for modular energy storage, mobility, starter-power and backup-power battery systems.
Public industry information identifies the cell as using a layered-oxide sodium-ion material system. Sodium-ion chemistry provides battery designers with an alternative to conventional lithium-ion platforms, but its charging curve, balancing behavior and protection thresholds require a sodium-ion-specific BMS rather than settings copied from LFP or NCM cells.
The 40160 size designation indicates a large cylindrical steel-can format measuring approximately 40mm in diameter and 160mm in height. Exact dimensions, tolerances, terminal structure and cell weight remain subject to the manufacturer drawing and must be confirmed before designing holders, busbars or enclosure components.
Public information lists an operating-voltage range of 2.00V to 3.95V. These endpoints describe the available operating range but do not automatically define recommended daily charge, discharge or balancing thresholds. The complete charging protocol and BMS protection window require confirmation through the manufacturer's technical agreement.
The available public data reports a gravimetric energy density of approximately 140Wh/kg. Because the exact cell weight and associated measurement conditions are not included in the compiled specification, this value should be treated as a product-level reference rather than an incoming-inspection or pack-calculation acceptance limit.
QingNa's public product information states a cycle life of at least 3,000 cycles. The available material does not disclose depth of discharge, charge and discharge rates, temperature, rest periods or the remaining-capacity threshold, so these conditions must be verified before calculating pack service life or warranty terms.
Custom battery pack applications: The S40160NL-20Ah may be evaluated for light electric mobility, industrial machinery, portable energy storage, starter-power and UPS systems. Misenpower supplies cells and supports custom sodium-ion pack integration with a chemistry-compatible BMS, pack fuse, approved welded or bolted interconnects, voltage and temperature sensing, matched cells, insulation, spacing, mechanical restraint and thermal design. UN38.3, SDS/MSDS, transport documentation and the applicability of CE, RoHS or UL documentation must be confirmed for the specific product batch, project and shipment.
