INR21700-B55U
A practical balance of energy and power.
A 5,500 mAh 21700-format cell with a 50 A maximum continuous discharge rating, developed for packs that require substantial power capability without overlooking runtime.
Balanced energy and power for demanding duty cycles.
Choose this cell when both operating time and output capability matter. Its 5,500 mAh capacity and 50 A maximum continuous discharge rating create a versatile profile for demanding 21700 pack designs, subject to complete system validation. Its 281 Wh/kg gravimetric energy density provides a clear basis for comparing it with other cells in the portfolio.
Supports demanding continuous-current requirements.
Capacity supports practical mission and operating intervals.
A balanced candidate for custom packs and distributor ranges.
Core specifications
| Model | INR21700-B55U |
|---|---|
| Capacity | 5500mAh |
| Maximum continuous discharge | 50A |
| Maximum continuous charge | 8A |
| Internal resistance | ≤ 4 mΩ |
| Nominal voltage | 3.6V |
| Nominal energy | 19.4Wh |
| Weight | 69g |
| Gravimetric energy density | 281Wh/kg |
Final cell selection must be validated against the complete datasheet, load profile, thermal design, charging strategy, pack architecture, operating environment and applicable certification requirements.
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