rechargeable batteries

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Low-self-discharge AA batteries?

Rechargeable AAA batteries with charger?

NiMH vs lithium-ion batteries?

How many recharge cycles?

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USB-C Portable in-Ear Monitor Amplifier, 5V DC/AAA Battery , USB-C direct power or charges rechargeable AAA batteries inside; works with standard AAA too - White

$79^.99

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Portable Voice Amplifier with Wired Microphone Headset Rechargeable PA System Speaker Personal Microphone Speech Amplifier Power Amplifiers Loudspeaker for Teachers/Metting/Tour Guide (Rose Gold)

$39^.99

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Wireless Microphone,Professional Dual Handheld Cordless Dynamic Mic System with Rechargeable Receiver,Plug & Play,Compatible with karaoke machines and PA systems for Speech,Church,Wedding,DJ,Party

$59^.99

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Finger Ballet 88 Key Folding Piano Keyboard, Digital Piano with Bluetooth MIDI, Full Size/Semi-Weighted/Portable, Rechargeable Travel Piano for Beginners, Adults, Students, Home Practice

$199^.99

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Estry Battery Replacement for AKAI EWI 5000 5000 Solo 1ABTUR18650ZY01

$17^.90

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Hisonic HS210 Rechargeable Portable PA System with Wireless Microphone

$189^.99

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12V AC/DC Casio Keyboard Charger Power Adapter Compatible for Casio Keyboard WK-1600 WK-1800 WK-1630 WK-3000 WK-3000D WK-3200 WK-3300 WK-3500 WK-3800 WK-8000 AD-12MLA(U) AD-12CL Power Supply Cord

$24^.55

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30W Portable Voice Amplifier with Wireless Microphone Headset, 2800mAh Rechargeable PA System Speaker Personal Microphone Speech Power Amplifiers Loudspeaker for Teachers/Metting/Tour Guide

$91^.99

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Turntable for Vinyl Records, 3-Speed Suitcase Record Player with Bluetooth Bluetooth Input & Output - Portable Phonograph with Built-In Dual Stereo Speakers - Rechargeable - RCA & AUX

$104^.99

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Voice Amplifier10W Portable Speaker Microphone for Teachers | Rechargeable 2000mAh, USB-C Fast Charging, Clear Distortion-Free Sound, Hands-Free Headset, for Classroom & Tour Guide

$59^.99

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Portable Rechargeable Mini Voice Amplifier for Teachers | Wired Microphone Headset and Waistband, Power Amplifiers Supports MP3 Format Audio for Speech, Class, Training,Tour Guide

$49^.99

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Wireless Microphone,Professional Dual Handheld Cordless Dynamic Mic System with Rechargeable Receiver,Karaoke Microphone Set for Singing, Karaoke, Wedding, DJ, Party, Speech,Church,Class Use,PA System

$53^.19

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Strobe Lights for Halloween, Battery Powered Mini Party Light | Rechargeable Strobe Light Wireless | Sound Activated & Remote| 54 RGB LED | for DJ Disco Stage Birthday Club Events

$44^.99

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30W Portable Voice Amplifier with Wired Microphone Headset, 2800mAh Rechargeable PA System Speaker Personal Microphone Speech Power Amplifiers Loudspeaker for Teachers/Metting/Tour Guide

$59^.99

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D'Addario PW-CT-26 Nexxus 360 Rechargeable Clip-On Guitar Headstock Tuner

$87^.76

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Portable Voice Amplifier for Teachers, 2200mAh Rechargeable Personal Amplifier Mic PA System Headset Microphone with Speaker for Teachers, Training, Meeting, Tour Guide, Yoga, Classroom (Black)

$39^.99

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Rechargeable Wireless Microphones with Volume Control, Mute | Clear Sound, Long Battery Life, Cardioid Directionality, 2 Dynamic Handheld Karaoke Mic for Singing, Wedding, DJ, Party

$46^.99

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mini kids karaoke machine with 2 wireless mics, voice changer & Led secreen | 5 Voice Effects, Bluetooth Speaker, Rechargeable & Portable, Birthday Gifts for Boys & Girls Ages 3-12

$59^.99

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Ape Labs Battery for Stick (v1 or 2.0) | Replacement Battery for Stick & Stick 2.0 | 9.6V 2200mAh NiMH

$69^.00

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10W Mini Guitar Amp,Rechargeable Electric Guitar Amplifier | with Clean/Drive Channel,6H Working,3.5mm headphone jack for silent practice,Wireless Portable Amp for Practice & Traveling

$74^.99

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BTTOTALMK2 Bluetooth Receiver with XLR | Rechargeable XLR Receiver for Mixing Desks, Audio Mixer Setups, and Active PA Systems

$57^.99

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(Black) Portable Rechargeable Voice Amplifier for Teachers, Coaches, Tour Guides, presentations, and Meetings with a Large Number of attendees

$38^.99

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Portable Voice Amplifier, 30W 2800mAh Bluetooth Rechargeable Personal Voice Amplifier with Microphone Headset, Pa Systems Speaker for Multiple Locations Classroom, Meetings and Outdoors

$63^.99

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2.4GHz Wireless Guitar System, Rechargeable Transmitter & Receiver | 100FT Wireless Range, 220° Rotatable Plug, Plug & Play for Electric Guitar, Bass, Keyboard & Audio Devices

$32^.99

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Wireless Microphone System 4 Pack, 262FT Long Range Low Latency Mics | 40H Rechargeable Battery, Stable Signal, Studio Sound, Handheld Karaoke Mics for Singing, Church, Speech, Wedding, Home Party

$110^.19

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Mini Karaoke Machine with Disco Light for Kids, Rechargeable Karaoke Microphone Bluetooth Speaker with 2 Wireless Mic, Portable Singing Girls Toys Gifts for 3 4 5 6 7 8 Year Old Family Home Party

$39^.99

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Bluetooth Voice Amplifier for Teachers, Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset, PA System Megaphone Speaker for Teachers, Singing, Training, Presentation, Tour Guide

$37^.99

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Voice Amplifier for Teachers Wireless Lavalier Mic, 10W Portable | Voice Amplifier Wireless Crystal-Clear Sound, DSP Noise Reduction, Hands-Free Clip-On, Portable, Rechargeable, Tabletop Use

$85^.99

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Dual Handheld Wireless Rechargeable RGB Lights Microphone System | For Karaoke Machine & Speaker,2.4GHz Wireless Mic,On-Mic Volume Control,Foldable Receiver,200FT Range,20H+ Battery

$68^.29

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S67 Voice Amplifier Wireless Microphone for Teachers Classroom Rechargeable, Mini Lavalier Lapel Mic, Portable Speaker PA System with LED Display for Class, Tour Guide, Coaches, Black

$66^.99

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Myxtren Wireless Microphone System, Dual 2.4GHz Handheld Mics | Rechargeable receiver with volume, echo, treble, bass and mute controls for speakers, PA systems and karaoke machines.

$44^.59

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UHF Wireless Microphone System with Headset Lavalier Lapel Mic | 2 Bodypack Mics, with Bodypack Transmitter, Rechargeable Receiver, 2*15 Channels 60 m/200ft Range 1/4" Output for Recording

$97^.99

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Guitar Tuner Clip-On Rechargeable with Color Screen 360° Rotatable Acoustic Chromatic Open Tuning for Guitar, Bass, Ukulele, Violin (Red, 1 Pack)

$36^.99

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Rechargeable Guitar Tuner Clip On with 28PcsGuitar Picks, Guitar Tuner for Acoustic Guitar,Electric Guitar, Bass, Ukulele & ChromaticTuning Modes, Full Color Display

$39^.99

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Guitar Tuner Rechargeable, Color Screen Clip On Tuner (Green, 1 Pack)

$34^.99

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Portable Voice Amplifier with Wired Microphone Headset Rechargeable PA System Speaker Personal Microphone Speech Amplifier Power Amplifiers Loudspeaker for Teachers/Metting/Tour Guide (Rose Gold)

$39^.99

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Portable Voice Amplifier with Wired Microphone Headset Rechargeable PA System Speaker Personal Microphone Speech Amplifier Power Amplifiers Loudspeaker for Teachers/Metting/Tour Guide (Black)

$39^.99

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