Battery Savers

This category shall be for apps to help you prolonging your battery runtime.

At Google Play, there are plenty of apps promising exactly that. Many promises are "empty" ones, and I've tried to exclude those "fakes". The remaining list still would be quite long, so I hope I've made the right selection …

Battery Savers working automatically in the background

2019-04-05

Purify – Speed & Battery Saver (4.6@309,166) Ǥ 34 Greenify alternative
Hibernate My CPU (Save Battery & Save CPU) (4.6@5,916) Ǥ 19 LastUpdate: 2017-01-27 reduce speed when display off
Hibernate - Real Battery Saver (4.6@4,002) Ǥ 13
Shelter (4.6@130) 6 FOSS alternative to Island
GO Battery Saver&Power Widget (4.6@55) Ǥ 31
Hibernation Manager (4.5@34,251) Ǥ 14 $Contains no known trackers \o/$ LastUpdate: 2017-07-20
BatteryXL Free - Battery Saver (4.5@11) 22 LastUpdate: 2013-01-03
Greenify (4.4@293,577) Ǥ 26 / Greenify (Donation Package) (4.6@21,862; ~EUR 3.00) Ǥ 2 $Contains no known trackers \o/$ LastUpdate: 2013-12-31 Vorstellung 2/2013 | 10/2013 | 4/2014; Intro 6/2013 | 1/2014; Video Review 6/2013 | 6/2015; Tutorial 7/2016 | 12/2016; Android.SE
Hibernator - Hibernate apps & Save battery (4.4@6,459) Ǥ 11
Smart Network (4.4@454) 2 LastUpdate: 2017-08-09 XDA; Intro 10/2014
Easy Battery Saver (4.4@47) 25 LastUpdate: 2016-12-31 Vorstellung 12/2011 | 8/2013; Intro 11/2012; Video Review 4/2013
Doze - For Better Battery Life (4.3@21,439) 12 LastUpdate: 2016-06-03
GreenPower (4.3@8,239; ~EUR 2.00) Ǥ 24
One Power Guard (4.3@4,035) 32 $Contains no known trackers \o/$ LastUpdate: 2016-05-26 Vorstellung 11/2012; XDA 10/2012; XDA-TV 11/2012
Hibernate My Apps (4.2@236) Ǥ 13 LastUpdate: 2017-02-23 Disables Power Consuming Apps in Background
Deep Sleep Battery Saver (4.1@22,228) Ǥ 32 LastUpdate: 2017-08-17 / Deep Sleep Battery Saver Pro (3.9@1,420; ~EUR 2.50) Ǥ 31 LastUpdate: 2017-08-15 Video Review 1/2013; Vorstellung 1/2013; Test 7/2013
Amplify Battery Extender -Root (4.1@12,208) Ǥ 4 Github; XDA; Video Demo 11/2014; Tasker support
Smart Battery Saver (4.1@2,911) 17 LastUpdate: 2017-05-14 Review 11/2013 | 11/2013
On and On Battery Saver (4.1@693) Ǥ 20 LastUpdate: 2016-05-23 Video Demo 8/2013
JuiceDefender - battery saver (4.1@64) 29 LastUpdate: 2012-04-18 Video Review 1/2011 | 10/2011 | 5/2013; Review 3/2011; Testbericht 01/2012 | 11/2012; was great once, no longer working with Android 7+
Doze Battery Saver (3.9@279) Ǥ 4 LastUpdate: 2016-07-05 root required
NoBars Battery Saver (3.8@358) 4 LastUpdate: 2017-08-10 Test 9/2012
Power Nap for Xposed (Unreleased) (3@2) 10 XDA; Stamina for all
Island (0@0) Ǥ 14 Vorstellung 3/2018; XDA; like Greenify, but more: freeze, isolate (sandbox) apps, clone (for parallel usage), hide …
ForceDoze (0@0) 9 $Contains no known trackers \o/$ Github
SuperFreezZ (0@0) 5 $Contains no known trackers \o/$ Github

Scheduler as Battery Savers

2019-04-05

Battery Saver (4.4@39) 16 LastUpdate: 2015-08-31

Data Stutterer

2019-04-05

Battery Defender - 1 Tap Saver (4.5@28) Ǥ 25
iPulse - Connection manager (4.4@332) 4 $Contains no known trackers \o/$ LastUpdate: 2016-03-30 / iPulse Pro (4.5@92; ~EUR 1.25) Ǥ 9 $Contains no known trackers \o/$ LastUpdate: 2016-03-30
Quick Charge Battery Life (4.3@157) 16 LastUpdate: 2017-08-18
2 Battery - Battery Saver (4.2@111,957) Ǥ 28
Battery Saver: ZEMB Free (4.1@283) Ǥ 20
BatteryFu battery saver (3.8@1,601) 8 $Contains no known trackers \o/$ Github
AutoData (3.8@873) 10 LastUpdate: 2014-10-11 Vorstellung 9/2014
Step-by-Step: Maximize battery by toggling Sync with Tasker

Battery-Low-Actions

2019-04-05

Battery Saver HD - Battery Life & Task Killer (4.3@6,896) Ǥ 32
Battery Life Saver (4.2@3,459) 14 LastUpdate: 2016-09-11

Manual switches to save juice

2019-04-05

Battery Saver - Power Saver (4.7@3,092) Ǥ 11
Doctor Power Battery Saver (4.5@558) 28 LastUpdate: 2017-05-14
Battery Dr saver+a task killer (4.5@22) Ǥ 24 LastUpdate: 2016-11-30 Video Intro 1/2014
PowerMax (4.4@8,771) Ǥ 28 LastUpdate: 2013-08-24 Free version = 7 day trial;
One Touch Battery Saver (4.2@55,344) 8 LastUpdate: 2016-06-15
Power Tune-Up (4.2@7,533) 23 LastUpdate: 2017-05-14

Display Adjuster for Juice Saving

2019-04-05

Lux Lite (4.2@17,963) 11 $Contains no known trackers \o/$ LastUpdate: 2015-11-23 / Lux Auto Brightness (4.3@8,587; ~EUR 2.75) Ǥ 15 LastUpdate: 2016-05-06 Kurzvorstellung 8/2012; Intro 7/2013
Screen Timeout (4.2@1,343) 3
Any Screen Timeout (4.2@211) 3 LastUpdate: 2016-03-11 / Any Screen Timeout Plus (4.5@30; ~EUR 1.00) 2 LastUpdate: 2017-09-12

Other Battery Savers

2019-04-05

dfndr battery: manage your battery life (4.6@182,753) Ǥ 25
Battery Time Saver & Optimizer (4.6@19,688) 11 LastUpdate: 2016-03-10 Vorstellung 1/2016
Hibernate - Real Battery Saver (4.6@4,002) Ǥ 13
DU Battery Saver - Battery Charger & Battery Life (4.5@13,581,774) 35 Video Review 1/2014 | 3/2014; Kurztest 6/2013
Power Battery - Battery Life Saver & Health Test (4.5@789,397) Ǥ 30
[root] RadioControl (4.2@34) Ǥ 14 Github
WiFi Location Toggle (3.9@55) 9 $Contains no known trackers \o/$ LastUpdate: 2013-04-14
DrainGuard TRIAL (3.2@49) 9 LastUpdate: 2012-12-30 Kurzvorstellung 8/2011; monitors usage and alarms you in case of "jumps"
Better Battery Saver (0@0) LastUpdate: 2016-07-23 Github; XDA

Further Readings:

Category Automation (Profile Switching and more))
Category Battery Helpers
Category WiFi Automatisation
How to Save Your Smartphone Battery (device specific index)
17 Tips & Tricks to improve your Android Phone’s battery life (7/2017)
Improve battery life with Xposed, Amplify and Greenify (1/2016)
16 Tips to improve battery life on your Android phone (1/2016)
Akkulaufzeit verlängern: Die besten Akku-Widgets und Batterie-Apps (4/2014)
Top 15 Most Powerful & Free Battery Saver Apps For Android (2/2014)
Five Android apps that prolong your smartphone's battery life (4/2013)
Top 5 Free Android Battery Saver Apps for Mobiles and Tablets (4/2013)
Stromspar-Apps für Android – So schonen Sie Ihren Akku (oder auch nicht) (3/2013)
Studie: Kostenlose Apps verbrauchen bis zu 75 % der Energie für Werbung (3/2012)

2019-04-14

IzzyOnDroid