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?

Dual Battery Connector, 20V-72V DC E-Bike Dual Battery Discharge Converter XT60 Port Adapter Battery Capacity Double Battery Pack Switch Balancer (30A)

$56^.99

Quick View

AJMRTC XL6009 DC-DC Boost Converter Module, Adjustable Step Up Voltage Regulator Board, Input DC 3.0V-30V Output DC 5V-35V, High Efficiency Power Supply Module for Solar Battery, LED, DIY Electronic

$13^.96

Free Shipping

Quick View

AJMRTC XL4015 DC-DC Adjustable Step Down Power Module, Max 5A 75W Buck Converter with LED Digital Voltmeter Display, Wide Input Voltage Regulator Board for Battery Charging, LED, Raspberry Pi, Electro

$19^.66

Free Shipping

Quick View

AJMRTC 2 Pack XL4016 DC-DC Step Down Buck Converter Module, DC 4V-40V Input to Adjustable 1.25V-36V Output Voltage Regulator Board for DIY Electronics, LED Driver, Battery Power Projects

$28^.21

Free Shipping

Quick View

PDDAXLQUE DX-CP26 RS232 to Bluetooth Wireless Serial Adaper Converter Support iOS Android Windows Support DB9 RJ45 Interface Built-in Rechargeable Lithium Battery (CP26 for Phone)

$45^.99

$5.99 Shipping

Quick View

Aepiraza Electric Bike Dual Battery Discharge Converter, 20V-72V DC Double Battery Parallel Connector Adapter with XT60 Plug (20A)

$50^.99

Free Shipping

Quick View

AJMRTC XL4005E1 DCDC StepDown Converter Board, Adjustable Voltage Constant Current Charging Module, Buck Switching Power Supply Module for Battery Charging and DIY Power Projects

$16^.59

Free Shipping

Quick View

Green-utech USB to RS485 WiFi Port RJ45 8P8C Serial Converter Cable for SRNE EASUN ISolar MLV-U ISolar SMX IGrid SX WP FT232RL Chip BMS Inverter Connection to PC (9.8Feet)

$40^.18

More options from $40.18 - $54.18

Free Shipping

Quick View

ZPSHYD 1500W DC-DC Boost Converter 10-60V to 12-97V Step Up Module

$48^.18

More options from $48.18

Free Shipping

Quick View

AJMRTC DD1718PA DC-DC Non-Isolated Voltage Converter Module, DC 3V-18V to ±5V ±6V ±9V ±12V ±15V Dual Positive Negative Output Power Supply Module for Op-Amp ADC DAC Audio Circuit, Pack of 2

$25^.36

Free Shipping

Quick View

WRIARICH TOPBAND TB4850F BATTERY BMS PC COMMUNICATION CONSOLE CABLE, FTDI FT232RL CHIP USB RS232 TO RJ11 6P4C PLUG ADAPTER SERIAL KABLE 7M Length(3.6M Length)

$71^.00

Free Shipping

Quick View

AJMRTC XH-M401 XL4016E1 DC-DC Buck Converter 8A 200W High Power Step Down Voltage Regulator Module, DC 4-40V Input 1.25-36V Adjustable Output PWM Power Board for LED Driver, Battery Charging & DIY

$14^.90

Free Shipping

Quick View

AJMRTC USB Step Down Voltage Regulator Module, 6A Max Output, Fixed 5.2V, 25-30W Power, Synchronous Rectification DC-DC Buck Converter for Power Supply DIY

$21^.09

Free Shipping

Quick View

WRIARICH FTDI FT232RL CHIP USB RS232 TO RJ11 RS232 CONVERTER SERIAL COMMUNICATION CONSOLE DEBUG CABLE FOR PYLONTECH LI-ION BATTERY TO PC (US2000C) 0.8M Length(1.8M Length)

$75^.50

Free Shipping

Quick View

Lightning to Ethernet Adapter[Apple MFi Certified], IVSHOWCO iPhone iPad to RJ45 Ethernet LAN Network Adapter with Charging Port, 100Mbps High Speed,Plug and Play(1.65Ft)

$25^.89

Free Shipping

Quick View

BTH81 USB Temperature & Humidity Data Logger Automatic Data Recorder for Refrigerated Cold Chain / Storage / Transport, PDF/CSV Export

$65^.98

Free Shipping

Volume Discounts:$63.18 - $65.98

Quick View

5pcs IP5328P Bidirectional Fast-Charge Power Bank Module

$52^.98

Free Shipping

Quick View

anicorn 5-Pack LM2596s Buck Converter DC to DC Step-Down Voltage Regulator Power Module 36V 24V 12V to 5V 2A Voltage Stabilizer with LED Display

$49^.97

Free Shipping

Quick View

6pcs XL4015 DC-DC Buck Converter Step Down Module 4~38V to 1.25-36V 5A Adjustable Step-Down Module XL4015 4~38v 96%

$45^.17

Free Shipping

Quick View

EAGWELL 12V to 24V Boost Converter 5A 120W DC 12V to 24V Step Up Converter Voltage Regulator Transformer for Golf Carts, Solar System, RV, LED Lights

$41^.99

Quick View

anicorn 10 Pieces Type-C MT3608 DC-DC Boost Converter 2A Adjustable Module Voltage Regulator Board Input Voltage 2 Volt-24 Volt to 5 Volt-28 Volt Output Voltage

$26^.97

Free Shipping

Quick View

081-7155-000 Replacement Power Center Lower Section 55 Amp Replacement Converter Section for Model 7155, WFCO WF-8945 and WF-8955 Power Centers

$265^.99

$5.99 Shipping

Quick View

anicorn 10PCS DC-DC Boost Converter Module, 0.9-5V to 5V Step Up Power Module Voltage Boost Converter Board

$29^.97

Free Shipping

Quick View

M Key M.2 NVME SSD Convert Adapter Card Compatible with Mac¡¤Book Air Pro Re¡¤Tina 2013-2017 NGFF A¡¤HCI SSD A1465 A1466 A1398 A1502

$17^.77

Free Shipping

Volume Discounts:$14.97 - $17.77

Quick View

Mcbazel OSSC SCART Component VGA to HDMI Open Source Scan Converter v1.6 for Retro Gaming Saturn SNES PS1 Console US Plug

$169^.99

$5.00 Shipping

Quick View

Victron Energy Orion IP67 24/12-Volt 20 amp DC-DC Converter, Non-Isolated

$86^.99

Quick View

AJMRTC XL4016 PWM Adjustable DC-DC Step Down Buck Converter Power Supply Module, 4-36V Input to 1.25-36V Output, Max 8A 200W High Current Regulated Power Board for LED Driver & Electronic Bench Test

$10^.54

Free Shipping

Quick View

AJMRTC 20PCS RY8310 GBCAB SOT23-6 Synchronous Step-Down Buck Converter IC, 2A Output Current, DC-DC Voltage Regulator Chip for Power Supply Module, Electronic Circuit DIY Projects

$11^.31

$12.56

Free Shipping

Quick View

Tycon Systems DC to DC Converter, 12VDC Input Voltage 24VDC Output Voltage, 19W Maximum Output Power (TP-DCDC-1224)

$100^.99

Find what you were looking for?