Emisar D3AA vs Emisar D4S size comparison
The Emisar D4S is 26 mm (1.02 in) longer than the Emisar D3AA, and 15 mm wider at its widest point.
The Emisar D4S is 26 mm (1.02 in) longer than the Emisar D3AA, and 15 mm wider at its widest point.
Dimensions
| Emisar D3AA Check price ↗ | Emisar D4S Check price ↗ | |
| Length | 79 mm (3.11 in) | 105 mm (4.13 in)+26 mm |
| Head / width | 24 mm (0.94 in) | 39 mm (1.54 in)+15 mm |
| Body | 19 mm (0.75 in) | 32 mm (1.26 in)+13 mm |
| Weight | 36 g without battery | — |
| Battery | 14500 / AA | 26650 |
| Max output | — | 4,300 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $35.81 at intl-outdoor.com, as of Nov 4, 2026 | not verified yet |
| Source | intl-outdoor.com sourced Output depends on LED option | nealsgadgets.com sourced |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D3AA vs D4S: how they differ
Size and weight
The Emisar D3AA is the shorter light: 79 mm (3.11 in) against 105 mm (4.13 in), a difference of 26 mm (25%). At its widest point the Emisar D3AA is 15 mm slimmer (24 vs 39 mm).
Brightness and throw
The Emisar D4S is rated at 4,300 lm; we have no published maximum for the Emisar D3AA. Output for the Emisar D3AA depends on the LED option chosen.
Battery
The Emisar D3AA runs on removable 14500 / AA batteries; the Emisar D4S runs on a removable 26650 battery. For scale, a 14500 cell is about 14 × 50 mm and a 26650 about 26 × 65 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Emisar D3AA if you want a shorter light (26 mm shorter) and a slimmer profile (15 mm narrower). On the specs we track, the Emisar D3AA is ahead or level everywhere; the Emisar D4S makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D3AA Check price ↗ Emisar D4S
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D3AA vs D4S FAQ
Which is smaller, the Emisar D3AA or the Emisar D4S?
The Emisar D3AA is the shorter light: 79 mm (3.11 in) against 105 mm (4.13 in), a difference of 26 mm (25%). At its widest point the Emisar D3AA is 15 mm slimmer (24 vs 39 mm).
Do the Emisar D3AA and Emisar D4S use the same battery?
The Emisar D3AA runs on removable 14500 / AA batteries; the Emisar D4S runs on a removable 26650 battery. For scale, a 14500 cell is about 14 × 50 mm and a 26650 about 26 × 65 mm (nominal).
Compare Emisar D3AA with similar lights
Compare Emisar D4S with similar lights
More
Sources
- Emisar D3AA: specs from Emisar product page (manufacturer). Price $35.81 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Emisar D4S: specs from manufacturer published specs as listed by nealsgadgets.com. No verified price yet.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.