Energizer
Auto-On LED Rechargeable
- Lumens
- 1 lm
- Throw
- —
- Runtime (High)
- —
- Weight
- —
- Battery
- —
$22.27Check Price on AmazonLast checked 2h ago
Head-to-Head Comparison
Energizer Auto-On LED Rechargeable vs NITECORE E4K
Side-by-side specs, scores, and Amazon pricing. Winner badges show which model leads each profile. Full spec comparison is included below.
NITECORE
E4K
- Lumens
- 4,400 lm
- Throw
- 211 m
- Runtime (High)
- 150 min
- Weight
- 138 g
- Battery
- 21700
$59.95Check Price on AmazonLast checked 8h ago
Winner by Profile
- Tactical: NITECORE E4K (78.0 vs 74.5)
- Everyday Carry: NITECORE E4K (87.1 vs 86.1)
- Value: Energizer Auto-On LED Rechargeable (98.0 vs 86.1)
- Throw: Energizer Auto-On LED Rechargeable (78.6 vs 74.1)
- Flood: NITECORE E4K (88.7 vs 82.8)
| Spec | ||
|---|---|---|
| Beam Pattern | ||
| ▾Price & Scores2 | ||
| Price | $22 | $60 |
| MSRP | $31 | $70 |
| ▾Output & Beam7 | ||
| Max Lumens | 1 lm | 4,400 lm |
| Sustained Lumens | — | 1,400 lm |
| Peak Candela | — | 11,100 cd |
| Beam Distance | — | 211 m |
| Beam Pattern | hybrid | flood |
| IP Rating | IPX4 | IP68 |
| Impact Resistance | 1.0 m | 1.0 m |
| ▾Runtime3 | ||
| Runtime (High) | — | 150 min |
| Runtime (500lm) | — | 140 min |
| Turbo Stepdown | — | 45 s |
| ▾Physical5 | ||
| Weight | — | 138 g |
| Length | — | 119 mm |
| Head Diameter | — | 26.0 mm |
| Body Diameter | — | 25.4 mm |
| Body Material | Polymer | Aluminum |
| ▾Battery & Charging6 | ||
| Battery Type | — | 21700 |
| Charging | usb-c | usb-c |
| USB-C | No | Yes |
| Replaceable Battery | No | Yes |
| Battery Included | No | No |
| Rechargeable Battery | No | Yes |
| ▾Features7 | ||
| Switch Type | side | side |
| Strobe Mode | No | Yes |
| Memory Mode | No | Yes |
| Lockout | No | Yes |
| Moonlight Mode | No | Yes |
| Magnetic Tailcap | No | No |
| Pocket Clip | No | Yes |
| ▾Checklist9 | ||
| Impact Resistant | ✓ | ✓ |
| Waterproof | ✓ | ✓ |
| USB-C Rechargeable | ✗ | ✓ |
| Battery Replaceable | ✗ | ✓ |
| Strobe Mode | ✗ | ✓ |
| Memory Mode | ✗ | ✓ |
| Lockout | ✗ | ✓ |
| Magnetic Tailcap | ✗ | ✗ |
| Pocket Clip | ✗ | ✓ |
| ▾Emitter & Optics1 | ||
| LED / Emitter | — | Cree XP-L2 V6 |
| ▾Category Scores5 | ||
| Tactical Score | 74.5 | 78.0 |
| EDC Score | 86.1 | 87.1 |
| Value Score | 98.0 | 86.1 |
| Throw Score | 78.6 | 74.1 |
| Flood Score | 82.8 | 88.7 |
| ▾Amazon3 | ||
| Amazon Reviews | 19,043 | 1,800 |
| Amazon Rating | 4.7 | 4.5 |
| Release Year | 2,021 | 2,023 |
Our Verdict
The Energizer Auto-On LED Rechargeable takes the edge with a stronger value profile (98.0 vs 88.7). It's the better pick for value use. The NITECORE E4K may still be worth considering for flood applications.
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