Beware of the Beam

The brightest flashlights with 21700 battery

The brightest flashlights with 21700 battery ranked by specs — with beam profiles and buying options.

1 Fenix Fenix LR35R 10,000 lm
  • 10000 lm
  • 500 m / 1640 ft / 547 yd
  • 63200 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
2 Fenix Fenix LR35R Pro 10,000 lm
  • 10000 lm
  • UV 365 nm
  • 500 m / 1640 ft / 547 yd
  • 62260 cd
  • Flood
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 457 g / 16.1 oz
3 Nitecore Nitecore EX7 6,000 lm
  • 6000 lm
  • 400 m / 1312 ft / 437 yd
  • 40300 cd
  • 21700 Li-Ion
  • USB-C
4 Armytek Armytek Viking Pro Max 5,300 lm
  • 5300 lm
  • 355 m / 1165 ft / 388 yd
  • Flood with wide spot
  • 21700 Li-Ion
  • Magnet
  • 235 g / 8.3 oz
5 Nextorch Nextorch P91 5,000 lm
  • 5000 lm
  • 300 m / 984 ft / 328 yd
  • 22500 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
6 Nitecore Nitecore P27iX 5,000 lm
  • 5000 lm
  • 430 m / 1411 ft / 470 yd
  • 46225 cd
  • 21700 Li-Ion
  • USB-C
  • 201 g / 7.1 oz
7 Olight Olight Prowess 5,000 lm orange 2 colours
  • 5000 lm
  • 245 m / 804 ft / 268 yd
  • 15010 cd
  • Flood
  • 21700 Olight Individual Li-Ion
  • USB-C
  • 273 g / 9.6 oz
8 Fenix Fenix C7 Pro 4,600 lm
  • 4600 lm
  • 339 m / 1112 ft / 371 yd
  • 28866 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 262 g / 9.2 oz
9 Olight Olight Seeker 4 Pro 4,600 lm black · cool white 7 colours & light colours
  • 4600 lm
  • 260 m / 853 ft / 284 yd
  • 16895 cd
  • Flood
  • 21700 Olight Individual Li-Ion
  • Magnet
  • 205 g / 7.2 oz
10 Armytek Armytek Elf C2 Max 4,500 lm
  • 4500 lm
  • 150 m / 492 ft / 164 yd
  • Flood
  • 21700 Li-Ion
  • USB-C
  • 153 g / 5.4 oz
11 Armytek Armytek Elf C2 Max LR Long Range 4,500 lm
  • 4500 lm
  • 235 m / 771 ft / 257 yd
  • Flood
  • 21700 Li-Ion
  • USB-C
  • 153 g / 5.4 oz
12 Nitecore Nitecore E4K 4,400 lm
  • 4400 lm
  • 211 m / 692 ft / 231 yd
  • 11100 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
13 Armytek Armytek Wizard C2 Pro Max Long Range 4,150 lm black · cool white 3 colours & light colours
  • 4150 lm
  • 181 m / 594 ft / 198 yd
  • Flood with wide spot
  • 21700 Li-Ion
  • Magnet
14 Armytek Armytek Prime C2 Pro MAX 4,000 lm cool white 2 light colours
  • 4000 lm
  • 260 m / 853 ft / 284 yd
  • Flood with wide spot
  • 21700 Li-Ion
  • Magnet
  • 203 g / 7.2 oz
15 Nextorch Nextorch TA30D MAX 4,000 lm
  • 4000 lm
  • 450 m / 1476 ft / 492 yd
  • 50625 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
16 Nitecore Nitecore P10iX 4,000 lm
  • 4000 lm
  • 158 m / 518 ft / 173 yd
  • 6250 cd
  • Flood
  • 21700 i-Generation Li-Ion
  • USB-C
17 Nitecore Nitecore P20iX 4,000 lm
  • 4000 lm
  • 221 m / 725 ft / 242 yd
  • 12200 cd
  • Flood
  • 21700 i-Generation Li-Ion
  • USB-C
  • 141 g / 5.0 oz
18 Armytek Armytek Wizard C2 Pro Max 3,720 lm black · warm white 5 colours & light colours
  • 3720 lm
  • 110 m / 361 ft / 120 yd
  • Flood
  • 21700 Li-Ion
  • Magnet
19 Fenix Fenix HT18R V2.0 3,700 lm
  • 3700 lm
  • 1100 m / 3609 ft / 1203 yd
  • 268000 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 358 g / 12.6 oz
20 Nextorch Nextorch E52D 3,700 lm
  • 3700 lm
  • 280 m / 919 ft / 306 yd
  • 21700 Li-Ion
  • USB-C
21 Nextorch Nextorch P84B 3,700 lm
  • 3700 lm
  • 370 m / 1214 ft / 405 yd
  • 34225 cd
  • 21700 Li-Ion
  • USB-C
22 Fenix Fenix LD36R 3,600 lm
  • 3600 lm
  • 385 m / 1263 ft / 421 yd
  • 37100 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 231 g / 8.1 oz
23 Fenix Fenix TK17 3,600 lm black 2 colours
  • 3600 lm
  • 330 m / 1083 ft / 361 yd
  • 27300 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 198 g / 7.0 oz
24 Fenix Fenix TK21R 3,600 lm black 2 colours
  • 3600 lm
  • 480 m / 1575 ft / 525 yd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 221 g / 7.8 oz
25 Fenix Fenix TK25R 3,600 lm
  • 3600 lm
  • UV 365 nm
  • 410 m / 1345 ft / 448 yd
  • 28000 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 220 g / 7.8 oz
26 Nextorch Nextorch C61 3,500 lm
  • 3500 lm
  • 420 m / 1378 ft / 459 yd
  • 44100 cd
  • 21700 Li-Ion
  • USB-C
27 Fenix Fenix C7 V2.0 3,300 lm
  • 3300 lm
  • 575 m / 1886 ft / 629 yd
  • 82566 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 257 g / 9.1 oz
28 Nitecore Nitecore MH12 Pro 3,300 lm
  • 3300 lm
  • 505 m / 1657 ft / 552 yd
  • 63500 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 155 g / 5.5 oz
29 Nitecore Nitecore MH25 Pro 3,300 lm
  • 3300 lm
  • 705 m / 2313 ft / 771 yd
  • 124300 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
30 Fenix Fenix PD45R ACE 3,200 lm
  • 3200 lm
  • 410 m / 1345 ft / 448 yd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 200.5 g / 7.1 oz
31 Fenix Fenix TK15R 3,200 lm
  • 3200 lm
  • 490 m / 1608 ft / 536 yd
  • 61000 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 206 g / 7.3 oz
32 Fenix Fenix TK22R 3,200 lm
  • 3200 lm
  • 480 m / 1575 ft / 525 yd
  • 57400 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 218 g / 7.7 oz
33 Fenix Fenix E35R 3,100 lm
  • 3100 lm
  • 260 m / 853 ft / 284 yd
  • 15103 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
  • 148 g / 5.2 oz
34 Fenix Fenix TK16 V2.0 3,100 lm
  • 3100 lm
  • 380 m / 1247 ft / 416 yd
  • 36100 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
35 Armytek Armytek Doberman Pro Max 3,000 lm
  • 3000 lm
  • 460 m / 1509 ft / 503 yd
  • Spot
  • 21700 Li-Ion
  • Magnet
  • 203 g / 7.2 oz
36 Armytek Armytek Predator Pro Max 3,000 lm
  • 3000 lm
  • 590 m / 1936 ft / 645 yd
  • Spot
  • 21700 Li-Ion
  • Magnet
  • 235 g / 8.3 oz
37 Fenix Fenix C7 3,000 lm
  • 3000 lm
  • 470 m / 1542 ft / 514 yd
  • 55200 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
38 Fenix Fenix E35 V3.0 3,000 lm
  • 3000 lm
  • 240 m / 787 ft / 262 yd
  • 14400 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
39 Fenix Fenix PD36R ACE 3,000 lm
  • 3000 lm
  • 415 m / 1362 ft / 454 yd
  • 43181 cd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
  • 182 g / 6.4 oz
40 Fenix Fenix PD36 TAC 3,000 lm
  • 3000 lm
  • 274 m / 899 ft / 300 yd
  • 18700 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
41 Fenix Fenix PD40R V2.0 3,000 lm
  • 3000 lm
  • 405 m / 1329 ft / 443 yd
  • 40576 cd
  • 21700 Li-Ion
  • USB-C
42 Fenix Fenix PD40R V3.0 3,000 lm
  • 3000 lm
  • 500 m / 1640 ft / 547 yd
  • 60954 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 198 g / 7.0 oz
43 Fenix Fenix TK20R V2.0 3,000 lm TK20R V2.0
  • 3000 lm
  • 475 m / 1558 ft / 519 yd
  • 56600 cd
  • Spot
  • 21700 Li-Ion
  • USB-C
  • 204 g / 7.2 oz
44 Fenix Fenix WF26R 3,000 lm
  • 3000 lm
  • 450 m / 1476 ft / 492 yd
  • 52888 cd
  • 21700 Li-Ion
  • USB-C
  • 222 g / 7.8 oz
45 Nextorch Nextorch P84 3,000 lm
  • 3000 lm
  • 260 m / 853 ft / 284 yd
  • 17000 cd
  • 21700 Li-Ion
  • USB-C
46 Nextorch Nextorch TA30C MAX 3,000 lm black 2 colours
  • 3000 lm
  • 390 m / 1280 ft / 427 yd
  • Flood with wide spot
  • 21700 Li-Ion
  • USB-C
47 Nitecore Nitecore HC75 UHE 3,000 lm
  • 3000 lm
  • 192 m / 630 ft / 210 yd
  • 9216 cd
  • Flood
  • 21700 Li-Ion
  • USB-C
  • 209 g / 7.4 oz
48 Nitecore Nitecore P23i 3,000 lm
  • 3000 lm
  • 470 m / 1542 ft / 514 yd
  • 55300 cd
  • Spot
  • 21700 i-Generation Li-Ion
  • USB-C
49 Nitecore Nitecore SRT7i 3,000 lm
  • 3000 lm
  • 580 m / 1903 ft / 634 yd
  • 87500 cd
  • 21700i Li-Ion
  • USB-C