Amp Rechargeable

Amp Rechargeable
I need someone who’s really good with amplifiers?

ok so i need to know which ones better:

http://cgi.ebay.com/Car-Motorcycle-12V-Mini-Hi-Fi-Audio-Stereo-Amplifier-/180674537322?pt=UK_AudioTVElectronics_HomeAudioHiFi_Amplifiers&hash=item2a110aa76a

http://cgi.ebay.com/Car-Motorcycle-12V-Mini-Hi-Fi-Audio-Stereo-Amplifier-5W-/150577785549?pt=Car_Amplifiers&hash=item230f22aacd

http://cgi.ebay.com/12V-Mini-Hi-Fi-Audio-Stereo-Amplifier-Mp3-Bass-Car-Home-/120686542930?pt=AU_Electronics_Audio_Amplifiers&hash=item1c197a8052

http://cgi.ebay.com/Lepai-TRIPATH-TA2020-Amp-Mini-Hi-Fi-Audio-Amplifier-/360353418952

I really like the last one the best but im not sure if it will work for what i need it for. I need to be able to power them by a 12v rechargeable battery and I know the first three can be powered by that, but idk about the last one cuz it says that it comes with “1 x 100-240V Power Supply.” Does that mean that my 12v wont be able to power it? PLEASE HELP!

For the last one you need a 12V DC 2amp power supply. So be sure your 12v battery can provide 2amp, which for most of the batteries it will.

PA System Battery Tips and Troubleshooting | Rechargeable Batteries AC

Croove Rechargeable Voice Amplifier, with Waist/Neck Band & Belt Clip, 20 Watts. Very Comfortable Headset
Croove Rechargeable Voice Amplifier, with Waist/Neck Band & Belt Clip, 20 Watts. Very Comfortable Headset
$30.50
Be heard without being hard on your voice. Teachers, tour guides, coaches, and anyone who must make speeches or presentations could benefit from their voice being louder and clearer. Using the Rechargeable Portable Voice Amplifier by Croove is a great way to make sure your voice is heard, without wearing it out. A built-in rechargeable lithium battery offers you up to 10 hours of powerful amplific…
WinBridge WB001 Rechargeable Ultralight Portable Voice Amplifier Waist Support MP3 Format Audio for Tour Guides, Teachers, Coaches, Presentations, Costumes, Etc.-Black
WinBridge WB001 Rechargeable Ultralight Portable Voice Amplifier Waist Support MP3 Format Audio for Tour Guides, Teachers, Coaches, Presentations, Costumes, Etc.-Black
$27.99
Wired Voice Amplifiers: WB001: (The Lightest Portable with Waist Clip,Black) Hotest! WB002: (FM, Recording, Aux, TF Card with Waist Clip, Black, Blue) WB003: (18W High-Power PA System without Waist Clip,Black, Blue) S368: (4 in 1 Rechargeable with Waist Clip, Black, Red) S378: (FM, TF Card Mini with Waist Clip,Black) Wireless Voice Amplifiers: S328: (FM Wireless Technology 5W,Black) S378W: (FM Wi…
Miroad Rechargeable Voice Amplifier TF Card Teaching Voice Portable Headset Waistband Microphone Booster with Recorder FM Radio MP3 Playing for Teachers Tour Guides Coaches C2
Miroad Rechargeable Voice Amplifier TF Card Teaching Voice Portable Headset Waistband Microphone Booster with Recorder FM Radio MP3 Playing for Teachers Tour Guides Coaches C2
$12.99
Miroad Voice Amplifier is a high quality product which provide a good sound and protect your throat easily, you can use it indoor or outdoor, such as teaching, tour guide, gym director and so on. Specifications: Product Model: C2 Size: 140*92.5*48mm Weight: 300g Action temperature: -10℃~45℃ Frequency response: 120Hz-20KHz Rated power: 5W Operation voltage: 4.2V Charging voltage: 5V …
myCharge AMP Plus Rechargeable 3000 mAh Battery
myCharge AMP Plus Rechargeable 3000 mAh Battery
$29.00
The myCharge AMP Mini Rechargeable 3000 mAh Battery gives you an extra 13 hours of talk time with its USB port that delivers 1.0A output to your favorite Apple, Android, or other portable device. The AMP Plus is pre-charged and ready to use, with a recharge cable included. The High Efficiency Technology maximizes power to your device, while Fast Charging Technology shortens charge time by 25% or m…

Nady AxeHead Miniature Headphone Guitar Amplifier
Nady AxeHead Miniature Headphone Guitar Amplifier
$28.49
The AxeHead miniature headphone guitar amp is a plug and play device that is ideal for home use, college dorms, traveling or wherever your music takes you….
EASTSHINE E35U 3500mAh 3.7V 12.9Wh 10A Flat Top 18650 Rechargeable Li-ion Battery 4Packs for High Drain Devices with EB182 Battery Organizers
EASTSHINE E35U 3500mAh 3.7V 12.9Wh 10A Flat Top 18650 Rechargeable Li-ion Battery 4Packs for High Drain Devices with EB182 Battery Organizers
$37.95
NOTE “EASTSHINE E35U” is for “Portable Fan, Laptop, and Other Flat Top High Drain Device” “EASTSHINE E35” is for “Flashlight, Headlamp, and other Button Top High Drain Device(NOT FOR VAPE)”EASTSHINE E35U is high-discharge performance lithium-ion IMR / INR battery is NOT protected against being over-chagrged, over-discharged or short-circuited. It is very important to observe the following: 1….
ExpertPower EXP645 6V 4.5 Amp Rechargeable Battery
ExpertPower EXP645 6V 4.5 Amp Rechargeable Battery
$10.99
ExpertPower Sealed Lead Acid Batteries are made with the highest quality materials available. The high-impact resistant battery case is made up of a non-conductive ABS plastic. This material has a strong resistance to shock, vibration, chemicals and heat. ExpertPower Batteries are Built for Performance, but they are also Built To Last. In our AGM sealed batteries, the acid inside is absorbed betwe…
Fischer Amps ALC 89 Rackmount Battery Charger for 8 9V Rechargeable Batteries
Fischer Amps ALC 89 Rackmount Battery Charger for 8 9V Rechargeable Batteries
$419.99
The perfect solution for users of several wireless systems on stage, for laboratory and industrial applications. Latest charging technology integrated in a professional, practical housing ready to be mounted in a rack. These processor-controlled ultra rapid Fischer Amps chargers make the decision on working with rechargeable batteries easy. No memory effect when using NiMH batteries. Detection of …
Fischer Amps ALC 161 Rackmount Battery Charger  for 16 AA/AAA Rechargeable Batteries
Fischer Amps ALC 161 Rackmount Battery Charger for 16 AA/AAA Rechargeable Batteries
$539.99
The perfect solution for users of several wireless systems on stage, for laboratory and industrial applications. Latest charging technology integrated in a professional, practical housing ready to be mounted in a rack. These processor-controlled ultra rapid Fischer Amps chargers make the decision on working with rechargeable batteries easy. -delta cutoff with micro-controlled electronics. No memor…