here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"battery"
I'm Celeste, Newegg's tech expert! Need help with "battery"?
AJMRTC DC-DC Step Up Boost Converter Module, 3-35V Input to 3.5-35V Adjustable Output with LED Digital Voltmeter Display for Power Supply DIY
Limited time offer, ends 11/29
$23.37
Free Shipping
AJMRTC DC-DC Boost Step Up Module, Mini High Efficiency 3.7V Lithium Battery Booster Board, Convert 3.7V to 5V 3A Output, Portable Mobile Power Charger Circuit for DIY Power Bank Projects, 1PCS
Limited time offer, ends 11/25
$11.74
Free Shipping
AJMRTC 2 Pack LM2596 Adjustable DC-DC Buck Converter Module, Step Down Power Supply, 4.0V-40V Input, 1.25V-37V Output, 3A Max Current, High Efficiency Voltage Regulator for DIY Electronic Project
Limited time offer, ends 11/29
$26.79
Free Shipping
P3 Wireless XLR Bluetooth Receiver, Bluetooth Adapter for Speakers, Audio Mixer, PA Systems, DJ System(P3 XLR)
Limited time offer, ends 11/16
$48.99
Free Shipping
AJMRTC LM2596HV DC-DC Adjustable Step Down Power Module, Constant Current Constant Voltage Buck Converter for Lithium Polymer Battery Charging and Power Supply Regulation
Limited time offer, ends 11/25
$11.34
Free Shipping
AJMRTC DC-DC Boost Module, 3.7V to 5V/9V 2A Lithium Charge Discharge Board, Type-C Interface, Li-ion Battery Power Supply Boost Converter for Portable DIY Electronic Projects
Limited time offer, ends 11/25
$11.15
Free Shipping
AJMRTC 300W 20A DC-DC Buck Converter Step Down Module, Constant Current LED Driver, Adjustable Step-Down Voltage Regulator Board with Electrolytic Capacitor for Battery Charging & LED Lighting
Limited time offer, ends 11/25
$15.98
Free Shipping
4Pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Board Module I2C IIC Interface
Limited time offer, ends 11/15
AJMRTC 80W Automatic Buck-Boost Stabilized Power Supply Module, DC 10-35V Input to 1-35V Adjustable Output, DC-DC Step Up Step Down Voltage Regulator for Car Charging Projects
Limited time offer, ends 11/25
$18.65
Free Shipping
AJMRTC DC-DC Step Up Boost Converter Module, 0.9V-5V Input to 5V 600mA USB Output, Power Bank Charging Voltage Regulator Circuit Board for DIY Portable Power Projects, 1PCS
Limited time offer, ends 11/25
$10.18
Free Shipping
AJMRTC Mini DC-DC Step-Up Boost Converter Module, 1V-5V Input to 5V 600mA Output Voltage Regulator Board, Portable Power Booster for Low Voltage DIY Electronic Projects
Limited time offer, ends 11/25
$10.41
Free Shipping
AJMRTC LM2577 DC-DC Boost Converter Module, 3A Step Up Voltage Regulator Board, DC 3.5V-35V Input to 5V-56V Adjustable High Output, Power Supply Module with LED Status Indicator for DIY Electronic
Limited time offer, ends 11/25
$11.15
Free Shipping
AJMRTC DC-DC Buck-Boost Converter Module, 3V~15V Input to 1V~15V Adjustable Output 5V 6V 9V 12V, 700mA 5W Auto Step Up Step Down Voltage Regulator for Electronic DIY Circuit
Limited time offer, ends 11/25
$10.41
Free Shipping
AJMRTC DC-DC SX1308 Adjustable Step-Up Power Module, High Current Boost Converter Board, 2V-24V Input to 2V-28V Output Voltage Regulator for DIY Electronic Power Supply Project
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 5A DC-DC Step Up Power Module XL6019 Boost Voltage Converter, 3.3V-35V Input to Adjustable Output 5V 6V 9V 12V 24V, High Current Boost Regulator for Electronic DIY Circuit Projects
Limited time offer, ends 11/25
$10.88
Free Shipping
AJMRTC XL4016E1 DCDC StepDown Voltage Regulator Module, 8A HighPower Adjustable Buck Converter with Digital Display, DC Voltage Reduction Power Supply Module for Electronic DIY Projects
Limited time offer, ends 11/25
$14.71
Free Shipping
WISDUM Monster N-Lite 211 Wireless Earbuds Bluetooth 6.0 Stereo Headphones with Noise-Cancelling Mic and LED Display, Built-in Mic for Clear Calls, Waterproof Design for Sports
Limited time offer, ends 11/14
$70.28
Free Shipping
AJMRTC 1PCS 5A DC-DC Step Up Power Module, XL6019 Boost Voltage Converter 3.3V-35V Input to 5V 6V 9V 12V 24V Adjustable Output, High Current Boost Regulator for Electronic DIY Circuit
Limited time offer, ends 11/25
$11.03
Free Shipping