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Best battery life phones 2021

List of the phones with the best battery life. The level of autonomy of your smartphone is influenced not only by the battery capacity, but also by the level of software optimization.

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1.34
Oukitel K10000
1.6
9.7
0.23
1.17
1.76
1.31
1.06
2.28
Oukitel K10000 5.5
144$
6.1
Oukitel WP6
7.42
9.7
7.83
3.65
7.15
1.07
5.09
2.28
Oukitel WP6 (lower) 6.3-inch 4+128G MT6771T 2.0 8-
208$
2.7
Oukitel K10000 Pro
2.95
9.7
3.19
1.17
4.44
1.19
1.64
2.28
OUKITEL K10000 Pro 4G Business Smartphone 5.5 inch
180$
2.83
HomTom HT70
5.13
9.7
4.05
1.17
2.18
1.72
1.64
0.6
[HK Stock] HOMTOM HT70, 4GB+64GB, Dual Back Camera
156$
6.22
Blackview BV9500 Pro
6.26
9.7
7.07
8.53
5.41
0.53
3.92
3.57
[HK Warehouse] Blackview BV9500 Pro Rugged Phone,
249$
5.83
Blackview BV9500
6.26
9.7
5.13
8.53
5.41
0.53
3.92
3.57
Blackview BV9500, 4GB+64GB, IP68 Waterproof Dustpr
148$
3.86
Oukitel WP2
4.8
9.7
4.05
1.17
5.84
0.91
3.43
2.28
Oukitel WP2 6.0 Inch 6750T 1.5GHZ Octa-Core Standa
210$
3.28
Zoji Z11
4.94
9.7
4.05
0.79
3.01
2.57
3.92
0.35
[HK Stock] HOMTOM ZOJI Z11 Rugged Phone, 4GB+64GB,
145$
2.82
Oukitel K7 Power
4.51
9.7
2.68
1.17
2.18
1.54
3.92
2.28
Unlocked Oukitel K7 Power 10000mAh 4G LTE Smartpho
186$
6.51
Oukitel K12
5.73
9.7
7.25
6.14
7.15
2.22
5.09
2.28
Oukitel K12 6.3-Inch MTK6765 2.3GHZ Quad-Core Stan
207$
6.37
Blackview BV9500 Plus
6.26
9.7
6.3
8.93
5.42
0.53
5.09
3.58
[HK Warehouse] Blackview BV9500 Plus Rugged Phone,
214$
3.36
Oukitel K7 Pro
4.26
9.7
4.71
1.17
2.18
1.54
5.09
2.28
Oukitel  K7 PRO 6.0 Inch 6763 1.5GHZ Smartphone wi
149$
4.55
Doogee N100
6.89
9.7
4.71
1.98
5.01
0
5.09
2.91
[HK Stock] DOOGEE N100, 4GB+64GB, Dual Back Camera
128$
4.2
Oukitel K15 Plus
1.76
9.7
2.85
6.14
3.44
1.78
7.19
2.28
OUKITEL K15 Plus  Android 10 10000mAh NFC Smart Ph
175$
5.85
Doogee S88 Pro
2.11
9.65
7.83
9.25
6.33
0
5.09
2.9
[HK Warehouse] DOOGEE S88 Pro Rugged Phone,  6GB+1
199$
8.27
Doogee S88 Plus
8.67
9.65
9.2
9.25
7.15
0.8
7.19
2.9
[HK Warehouse] DOOGEE S88 Plus Rugged Phone, 8GB+1
243$
4.18
Poptel P9000 Max
3.88
9.63
3.96
6.52
5.23
0.56
1.64
0.29
[HK Stock] POPTEL P9000 MAX, 4GB+64GB, IP68 Waterp
232$
5.22
Blackview BV6600
4.96
9.62
2.46
8.53
2.55
1.67
7.19
3.57
Blackview BV6600 Global Version IP68 et IP69K 5,7
142$
4.23
Bluboo S3
5.49
9.61
4.05
1.98
5.83
1.86
3.92
0.71
Bluboo S3 6.0 Inch Sharp FHD+ 8500mAh 12V/2A NFC 4
192$
5.44
Conquest S12
4.17
9.55
7.07
6.36
5.71
0.75
3.92
2.97
Conquest S12 Pro Rugged Phone, 4GB+64GB, 8000mAh B
428$
4.46
Oukitel WP5 Pro
3.65
9.55
4.89
6.14
2.34
0.48
7.2
2.28
OUKITEL WP5 Pro IP68 Waterproof Smartphone 8000mAh
144$
7.49
Oukitel WP7
8.47
9.55
7.32
7.99
7.63
1.43
5.09
2.28
GLOBAL Version OUKITEL WP7 6.53
355$
7.85
Oukitel WP10
8.62
9.55
9.22
8.93
6.71
0
7.19
2.28
OUKITEL WP10 Global Bands 5G IP68 & IP69K Étanche
380$
5.56
Cubot KingKong 5 Pro
7.81
9.55
2.53
8.1
2.73
0.94
9.47
1.76
Cubot KingKong 5 Pro IP68/IP69K Waterproof Smartph
250$
5.53
Oukitel WP9
2.7
9.55
7.46
8.93
3.06
0.78
7.19
2.28
OUKITEL WP9 Global Bands IP68 & IP69K Étanche 6GB
165$
6.43
Doogee S86 Pro
3.9
9.54
9.09
9.25
3.66
1.02
7.19
2.9
[HK Warehouse] DOOGEE S86 Pro Rugged Phone, Forehe
197$
0.96
Geotel G1 Terminator
1.1
9.52
0.89
0.09
0.5
0.37
1.64
0.08
Geotel G1, 2GB+16GB, Shockproof, 7500mAh Battery,
89$
3.96
Doogee BL7000
6.43
9.51
4.05
1.98
3.83
2.05
1.64
2.9
[HK Stock] DOOGEE BL7000, 4GB+64GB, Dual Back Came
93$
4.68
Conquest S11
3.24
9.5
7.63
6.36
3.74
0.35
1.64
2.97
Conquest S11, 6GB+128GB, Walkie Talkie Function, R
472$
8.33
Ulefone Armor 9
8.94
9.49
7.32
9.58
7.15
1.61
7.19
4.51
Ulefone Armor 9 Rugged Phone, 64MP Thermal Imaging
416$
4.09
Blackview BV6800 Pro
5.71
9.46
4.05
1.17
5.41
1
3.42
3.57
[HK Warehouse] Blackview BV6800 Pro Rugged Phone,
178$
8.09
Blackview BV9800
8.76
9.46
7.97
9.65
7.15
1.73
5.09
3.57
[HK Warehouse] Blackview BV9800 Rugged Phone, 6GB+
278$
7.13
Blackview BV9800 Pro
9.28
9.46
2.84
9.65
7.15
1.73
5.09
3.57
[HK Warehouse] Blackview BV9800 Pro Rugged Phone,
347$
3.72
Snopow M10
2.43
9.45
7.23
5.17
3.74
0.31
1.64
0.02
Snopow M10 IP68 4G Mobile Phone Waterproof Shockpr
453$
4.49
Ulefone Power 3S
3.32
9.42
4.71
1.17
5.83
3.87
3.92
4.51
[HK Stock] Ulefone Power 3s,  4GB+64GB, Dual Back
99$
6.46
Ulefone Power 6
4.09
9.42
5.46
7.17
6.07
4.69
5.09
4.51
[HK Stock] Ulefone Power 6, 4GB+64GB, Dual Back Ca
122$
6.71
Doogee S96 Pro
9.09
9.42
7.39
8.1
3.63
0
7.19
2.9
[HK Warehouse] DOOGEE S96 Pro Triple Proofing Phon
232$
5.76
Doogee S68 Pro
7.6
9.4
7.83
2.52
6.21
1.06
5.09
2.9
[HK Warehouse] DOOGEE S68 Pro Rugged Phone, 6GB+12
174$
4.95
Oukitel K6
5.62
9.39
6.97
1.17
5.09
3.59
3.04
2.28
OUKITEL K6 6.0 quotFHD+ Full Screen 189  2160*1080
233$
2.16
Vernee Thor Plus
2.55
9.36
2.01
0.72
2.67
3.41
1.64
1.29
Vernee Thor Plus 5.5" Android 7.0 4G Smartpho
180$
4.29
Vernee X
5.35
9.36
4.71
1.17
5.09
3.7
3.04
1.29
Vernee X 4G Mobile Phone 4GB+64GB (Blue)
242$
2.93
HomTom S99
5.55
9.36
4.05
1.17
1.59
1.81
3.42
0.6
[HK Stock] HOMTOM S99, 4GB+64GB, Dual Back Cameras
123$
5.62
Blackview P6000
6.22
9.35
7.64
6.9
2.28
2.4
3.04
3.58
[HK Stock] Blackview P6000, 6GB+64GB, Dual Back Ca
168$
3.67
Jesy J9
5.35
9.33
4.62
4.02
4.44
0.49
1.64
0.16
JESY J9s IP68 Waterproof Rugged 4G Smartphone 4GB
300$
8.45
UMiDIGI Power 3
8.69
9.33
5.99
9.25
6.37
4.97
7.2
4.52
[HK Warehouse] UMIDIGI Power 3, 4GB+64GB, Quad Bac
145$
3.54
Oukitel K6000 Plus
4.85
9.31
4.05
1.17
4.44
2.94
1.64
2.28
OUKITEL K6000 Plus 4GB+64GB 5.5
191$
5.42
Ulefone Power 3
6
9.31
6.97
1.17
5.84
3.69
3.92
4.52
[HK Stock] Ulefone Power 3,  6GB+64GB, Dual Back C
174$
3.74
Ulefone Power 2
4.27
9.3
4.05
1.17
5.23
2.49
1.64
4.52
[HK Stock] Ulefone Power 2,  4GB+64GB, 6050mah Big
128$

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