Samsung INR21700-58E
Ultra high-capacity 21700 cell from Samsung SDI. 5800mAh typical capacity (5330mAh minimum) with 10.7A continuous discharge. Samsung's highest-capacity 21700 cell, pushing energy density limits. Best for maximum range builds where discharge demands are moderate.
In brief: 21700 Li-ion battery cell. 5500mAh capacity. 11A continuous discharge. From $3.
Specs verified Aug 26, 2026
Where to Find
Prices tracked across 1 sellerPrice History
Price History
Price changes tracked by the crawler
Current best price $3.15. Over the past 90 days: low $2.65, high $3.15, average $2.94 — up 7% vs average.
- 18650 Battery Store
All Records
21 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
18650 Battery Store(21 records) | |||||||||
| Aug 30, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 22, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 18, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 14, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 10, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 8, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 6, 202609:02 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 4, 202612:20 PM | $3.15 | — | $3.15 | $0.00 | — | — | — | No | active |
| Aug 2, 202602:28 PM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Aug 1, 202609:22 AM | $3.15 | — | $3.15 | $0.00 | — | — | — | No | active |
| Jul 31, 202612:58 PM | $3.15 | — | $3.15 | $0.00 | — | — | — | No | active |
| Jul 29, 202602:20 PM | $3.15 | — | $3.15 | $0.00 | — | — | — | Yes | active |
| Jul 27, 202609:11 AM | $3.15 | — | $3.15 | $0.50 | — | — | — | Yes | active |
| Jul 18, 202609:02 AM | $2.65 | — | $2.65 | $0.00 | — | — | — | No | active |
| Jul 17, 202602:33 PM | $2.65 | — | $2.65 | $0.00 | — | — | — | No | active |
| Jul 13, 202602:41 PM | $2.65 | — | $2.65 | $0.00 | — | — | — | No | active |
| Jul 9, 202609:01 AM | $2.65 | — | $2.65 | $0.00 | — | — | — | Yes | active |
| Jul 5, 202609:01 AM | $2.65 | — | $2.65 | $0.00 | — | — | — | Yes | active |
| Jul 3, 202609:01 AM | $2.65 | — | $2.65 | $0.00 | — | — | — | Yes | active |
| Jul 1, 202609:01 AM | $2.65 | — | $2.65 | Initial | — | — | — | Yes | active |
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Specifications
Cell Specs
- Form Factor
- 21700
- Chemistry
- Li-ion
- Capacity
- 5500mAh
- Continuous Discharge
- 11.00A
Physical
- Weight
- 74 g
- Dimensions (L×W×H)
- 71mm × 22mm × 22mm
