EVE Energy INR21700-50E
High-capacity 21700 cell from EVE Energy. 5000mAh capacity with 15A continuous discharge. A budget alternative to the Samsung 50E for range-focused builds, offering the same capacity at a lower price. Commonly found in Chinese-manufactured e-bike battery packs.
In brief: 21700 Li-ion battery cell. 5000mAh capacity. 10A continuous discharge. From $4 across 4 sellers.
Specs verified Sep 1, 2026
Where to Find
Prices tracked across 4 sellersPrice History
Price History
Price changes tracked by the crawler
Current best price $4.25. Over the past 90 days: low $2.89, high $4.99, average $4.19 — up 1% vs average.
- 18650 Battery
- 18650 Battery Store
- IMR Batteries
- Li-ion Wholesale
All Records
75 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
18650 Battery(30 records) | |||||||||
| Sep 1, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 30, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 24, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 22, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 18, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 16, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 14, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 10, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 8, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 31, 202609:04 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | No | active |
| Jul 27, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 23, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 21, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 15, 202609:03 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | No | active |
| Jul 9, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 7, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 5, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 1, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 29, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 27, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 23, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 21, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 19, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 15, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 13, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202609:00 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 9, 202609:05 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 7, 202609:05 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 5, 202610:34 AM | $4.99 | — | $4.99 | Initial | — | — | — | Yes | active |
18650 Battery Store(27 records) | |||||||||
| Aug 30, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 22, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 18, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 14, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 12, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 10, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 8, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 6, 202609:02 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 4, 202612:15 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | No | active |
| Aug 2, 202602:28 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 1, 202609:04 AM | $4.99 | — | $4.99 | $2.10 | — | — | — | Yes | active |
| Jul 31, 202612:39 PM | $2.89 | — | $2.89 | $0.00 | — | — | — | No | active |
| Jul 23, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jul 15, 202612:27 PM | $2.89 | — | $2.89 | $0.00 | — | — | — | No | active |
| Jul 9, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jul 7, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jul 5, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jul 1, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 29, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 27, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 23, 202609:01 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 21, 202609:00 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 18, 202609:25 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 13, 202609:00 AM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 9, 202603:46 PM | $2.89 | — | $2.89 | $0.00 | — | — | — | Yes | active |
| Jun 7, 202603:43 PM | $2.89 | — | $2.89 | Initial | — | — | — | Yes | active |
IMR Batteries(9 records) | |||||||||
| Sep 1, 202609:42 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 24, 202609:19 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 15, 202609:59 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Aug 5, 202608:46 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jul 22, 202606:24 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | No | active |
| Jul 9, 202606:30 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 30, 202610:10 AM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 21, 202612:05 PM | $4.99 | — | $4.99 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202611:07 AM | $4.99 | — | $4.99 | Initial | — | — | — | Yes | active |
Li-ion Wholesale(9 records) | |||||||||
| Aug 27, 202611:41 AM | $4.25 | — | $4.25 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202609:25 AM | $4.25 | — | $4.25 | $1.26 | — | — | — | Yes | active |
| Aug 17, 202609:04 AM | $2.99 | — | $2.99 | $0.00 | — | — | — | Yes | active |
| Aug 7, 202612:33 PM | $2.99 | — | $2.99 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202608:56 AM | $2.99 | — | $2.99 | $0.00 | — | — | — | Yes | active |
| Jul 9, 202608:26 PM | $2.99 | — | $2.99 | $0.00 | — | — | — | No | active |
| Jun 30, 202611:56 AM | $2.99 | — | $2.99 | $0.00 | — | — | — | No | active |
| Jun 21, 202612:28 PM | $2.99 | — | $2.99 | $0.00 | — | — | — | No | active |
| Jun 12, 202611:30 AM | $2.99 | — | $2.99 | Initial | — | — | — | No | active |
Reviews
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Specifications
Cell Specs
- Form Factor
- 21700
- Chemistry
- Li-ion
- Capacity
- 5000mAh
- Continuous Discharge
- 10.00A
Physical
- Weight
- 68 g
- Dimensions (L×W×H)
- 70mm × 21mm × 21mm
