battery | Newegg.com

I'm Celeste, Newegg's tech expert! Need help with "battery"?

UPS with automatic voltage regulation?

Home battery backup systems?

UPS vs power bank differences?

How long do backups last?

3.7V Lithium Battery Boost Converter Module 5V 3A Synchronous Step-Up Power Supply Board High-Efficiency Voltage Booster Circuit with Overcharge Over-Current and Short-Circuit Protection

$11^.89

Free Shipping

Quick View

AJMRTC IP2368 Bidirectional 100W Buck-Boost Fast Charging Module, Type-C Interface 4S Lithium Battery High Power Charging Discharge Board for Power Bank DIY Projects

$19^.44

Free Shipping

Quick View

AJMRTC 5PCS SX1308 DC-DC Step Up Boost Power Module, Adjustable Output Voltage Booster Converter Board, Max 2A High Current Step-up Module for Battery Power Supply, DIY Electronic Circuit Project

$19^.09

Free Shipping

Quick View

AJMRTC LTC3780 DC-DC Buck Boost Module, 5V-32V Input to 1V-30V Adjustable Output, 10A Max Constant Voltage Constant Current Automatic Step Up Step Down Power Converter for Battery Charging, Solar, Lab

$49^.27

Free Shipping

Quick View

AJMRTC XL4015 5A DC-DC CC CV Lithium Battery Step-Down Charging Module, 3 Pack, Constant Current Constant Voltage LED Power Charger Board for Lithium Battery Charging, DIY Power Supply, Lab Power

$26^.79

Free Shipping

Quick View

AJMRTC 2 Pack 400W 15A DC-DC Boost Converter Module, Constant Current Step-Up Power Supply Board, 8.5V-50V Input, 10V-60V Adjustable Output, High Power for LED Driver, Battery Charging, Electronic DIY

$29^.64

Free Shipping

Quick View

AJMRTC 5Pcs DC-DC Step Up Converter Booster Power Supply Module, Adjustable Boost Step-up Board, Voltage Regulator Board for DIY Electronic Circuit, Battery Power Upgrade Project

$17^.67

Free Shipping

Quick View

AJMRTC 100W PD Type-C Male to XT60 Male Fast Charging Adapter, 20V 5A SC100 Protocol Converter, USB-C PD Input to XT60 Output Charger Connector for RC Lipo Battery, Quadcopter Drone

$20^.62

Free Shipping

Quick View

SINWE XLR Bluetooth Receiver, BT5.3 24bit/48kHz Hi-Fi Audio | Wireless Adapter for Mixing Console Desk, Audio Mixers, PA Speakers, DJ Systems, 165ft Range, 15H Battery Life

$89^.98

Free Shipping

Quick View

AJMRTC XT60 to DC Adapter, EC5 Male to XT60 Male Bidirectional Charging Conversion Adapter, EC5 to XT60 Model Plug Connector for RC Aircraft, RC Car, FPV Drone, RC Battery Pack Charging

$14^.53

Free Shipping

Quick View

AJMRTC 2Pcs TPS61088 Synchronous Step Up Boost Power Module, 3.2V 3.7V 4.2V to 5V 9V 12V QC Fast Charge Converter Board for Power Bank, Mobile Battery DIY Charging Circuit

$23^.94

Free Shipping

Quick View

AJMRTC XT60 Male to XT60 Male Fast Charging Adapter with SC100 Protocol, High Current RC LiPo Battery Connector Converter Plug, for Quadcopter, Multicopter, FPV Drone, Aeromodelling Battery Charging

$15^.87

Free Shipping

Quick View

Bluetooth 6.0 Receiver for Car with LDAC, AI Noise Cancelling 3.5mm AUX Bluetooth Car Adapter, Hi-Res Wireless Audio Receiver for Home Stereo/Wired Speaker with Hands-Free Call,15H Battery Life

$39^.99

Free Shipping

Volume Discounts:$36.99 - $39.99

Quick View

AJMRTC LM2587 DC-DC Step Up Power Module, Adjustable Boost Voltage Converter Regulator DC 3V-35V Input to 4V-40V Output, 12V 24V Voltage Booster 12V to 19V for Solar, Battery, DIY Electronic Projects,

$12^.70

Free Shipping

Quick View

AJMRTC 10Pcs CN3300 SOT23-6 IC Chips, 3300 PFM Boost Charging Control Integrated Circuit, SMD SOT23-6 Surface Mount Chip for Lithium Battery Charger Circuit and Electronic DIY Projects

$11^.85

Free Shipping

Quick View

AJMRTC LTC1871 DC-DC Step Up Booster Module, Adjustable Regulated Power Supply with Voltmeter, DC 3V-35V Input to 3.5V-35V Output, Voltage Converter Board for Battery Boost & Lab Projects, 1PCS

$14^.32

Free Shipping

Quick View

AJMRTC DC-DC Step Up Boost Converter Module, 2-24V Input to 3-30V Output, 4A 80W CC CV Adjustable Regulated Power Supply with USB Port, for Battery Charging and DIY Electronic Projects

$10^.54

Free Shipping

Quick View

AJMRTC LTC1871 Boost Converter Module with Digital Voltmeter, DC-DC Step Up Power Supply Board, 3-35V Input 3.5-35V Adjustable Output High Voltage Regulator for Battery Charging & DIY Power Projects

$14^.74

Free Shipping

Quick View

AJMRTC 3V to 5V 9V 2A DC-DC USB Step Up Boost Power Module, Lithium Battery Charger Board, Integrated Charge & Discharge Booster Converter for 18650 Li-ion Cell DIY Power Bank Electronic Projects

$12^.24

Free Shipping

Quick View

AJMRTC SX1308 DC-DC Step Up Boost Converter, 2-24V to 2-28V 2A Adjustable Step-Up Power Module, High Efficiency Voltage Regulator Board for Electronic DIY Kit, Battery Power Supply Projects

$10^.27

Free Shipping

Quick View

AJMRTC ZK-4KX CNC DC-DC Buck Boost Converter Module, CC CV 0.5-30V 4A Adjustable Regulated Power Supply, Digital Voltage Current Stabilizer for Solar Charging Battery Charger DIY Projects

$20^.60

Free Shipping

Quick View

AJMRTC DC-DC Buck Converter 12A Adjustable Step-Down Power Module, 95% High Efficiency Low Ripple Voltage Regulator, Wide Input for Automotive, LED Driver, Battery Charging & Electronic DIY Projects

$16^.11

Free Shipping

Quick View

AJMRTC SS56 Adjustable Buck-Boost Power Supply Module, Constant Voltage Constant Current Step Up Step Down Converter, Automatic Voltage Regulator for Battery Charging LED Driver DIY Electronic Project

$12^.87

Free Shipping

Quick View

10PCS 3A Mini DC-DC Buck Step Down Converter Board Module MP1584EN 24V 12V 9V to 3.3V 5V for Car Motorcycle Battery Charging(3.3V Output)

$26^.78

Free Shipping

Quick View

Bluetooth 5 0 Transmitter Receiver 2 In 1 Wireless Audio Adapter Transceiver Stereo Music Dongle Converter 33ft Long Range 10H Battery Life Portable Device For TV PC Car Home Stereo Sound System

$18^.68

Free Shipping

Quick View

Axxess AXSWC-TL Steering Wheel Control Interface Toyota Lexus 1999-2009

$75^.99

Free Shipping

Quick View

30-Pack LM2596 Adjustable DC-DC Step Down Buck Converter | 3-40V Input to 1.25-35V Output, up to 92% Efficiency for DIY Power Supplies & Electronics

$95^.64

Free Shipping

Quick View

10PCS DC-DC Power Supply Module Adjustable Voltage Regulator Module 5V-30V to 3.3V 5V 9V 12V 3A for Car Motorcycle Battery Charging (3.3V)

$13^.19

More options from $12.99

Free Shipping

Quick View

AJMRTC 2PCS DC-DC Step Down Buck Module, 6V-32V 12V 24V to QC3.0 Single USB Fast Charging Converter Board, DC Voltage Regulator Power Charger Module for Car, Motorcycle, RV, DIY Electronic Power

$19^.66

Free Shipping

Quick View

Vszerda EC5 to XT60 Adapter Injection Molded Connectos, 5Pack EC5 Male to XT60 Female Connector, No Wires Connectors RC Battery Adapter for Battery Micro Drone

$26^.99

Free Shipping

Quick View

Positive Negative Dual Output Module 12V 15V Voltage Converter with Reverse Polarity Protection for Industrial Automation, LED Lighting

$23^.27

Free Shipping

Quick View

AJMRTC DC-DC Step Down USB Power Module, 9V 12V 24V to 5V 3A Output Buck Converter, Car Charging DIY Electronic PCB Board Kit for Vehicle Power Supply, Electronic Project

$10^.86

Free Shipping

Quick View

Vszerda XT60 to EC5 Connector 5Pack, EC5 to XT60 Male to Female Adapter Injection Molded Type RC Connector Adapter, No Wires Connectors RC Battery Adapter for Battery Micro Drone

$26^.99

Free Shipping

Quick View

USB C to 12V Cigarette Lighter Adapter Car Charger Cable for Dash Cam GPS | USB-C male to 12V socket · 18W max output · Low-power only (under 18W) · Compatible with dash cams, LED strips, GPS ·1-pack

$26^.99

Free Shipping

Volume Discounts:$23.99 - $26.99

Quick View

Axxess AXTC-FD3 SWC and Data Interface Micro B USB Updatable for Ford 2020 - UP

$158^.99

Free Shipping

Quick View

AJMRTC 250W DC-DC Adjustable Step Up Power Supply Module, 10-40V Input to 10-50V Output 6A Boost Converter, High Efficiency Step-Up Voltage Regulator Board for Solar Battery Charging, DIY Power Projec

$19^.36

Free Shipping

Page 1/3

Find what you were looking for?