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Power / Batteries

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Pololu 9V, 15A Step-Down Voltage Regulator D24V150F9
$85.95
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Pololu 5V, 15A Step-Down Voltage Regulator D24V150F5
$83.95
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SWADJHV High Voltage Step Down Adjustable Switching Regulator
$42.50
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DE-SWADJ3 Step Down Adjustable Switching Regulator 25W
$42.00
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-8%
SparkFun Sunny Buddy - MPPT Solar Charger
$37.50 $40.55
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Negatron DC-DC Converter
$36.50
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3.3V, 2.5A Step-Down Voltage Regulator D24V25F3
$35.00
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5V Step-Up/Step-Down Voltage Regulator S7V7F5
$25.50
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DE-SWADJ Step Down Adjustable Switching Regulator - 10W
$24.50
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Opto-Isolated Relay Module - 16 Channels (5V)
$22.99
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-50%
Solar Panel - 18V 2.5W
$18.75 $37.50
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3.3V Step-Up/Step-Down Voltage Regulator S7V8F3
$18.50
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Polymer Lithium Ion Battery - 1000mAh 3.7V With JST PH Connector
$16.70
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LiPo Charger Basic - Micro-USB
$15.95
Out-of-stock
10A Relay Module For 3.3V And 5V Controller
$15.50
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-9%
LiPo Charger Plus - USB Type-C
$15.00 $16.50
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Hand Crank Generator
$14.95
Out-of-stock
12V, 1A Step-Down Voltage Regulator D24V10F12
$14.50
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Sunflower Solar Power Manager 5V
$14.50
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3.3V, 1A Step-Down Voltage Regulator D24V10F3
$14.50
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Beefcake Relay Control Kit (Ver. 2.0)
$12.50
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-15%
MOSFET Power Controller
$12.50 $14.75
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Non-Isolated Single Relay Module For 3V Controller
$6.50
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Opto-Isolated Relay Module - 2 Channels (5V)
$3.99
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8 x AA Battery Holder with On/Off Switch and Cover
$3.80
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4 x AA Battery Holder with Switch & Barrel Jack
$3.50
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4 x 18650 Battery Holder
$3.00
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Breadboard Power Supply 5V/3.3V
$2.95
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Barrel Jack Adapter - USB to 5.5mm
$2.95
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6 x AA Battery Holder with Switch and Cover
$2.90
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9V Battery Holder with Switch & Barrel Jack
$2.80
Out-of-stock
4 x AA Battery Holder with On/Off Switch, 3-Pin JST
$2.80
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DC Barrel Jack Adapter - Female
$2.50
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DC Barrel Jack Adapter - Male
$2.50
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9V Battery Holder with On/Off Switch, 3-Pin JST
$2.50
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-31%
In-line power switch for 2.1mm barrel jack
$2.50 $3.60
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4 x AA Battery Holder with Cover and Switch
$2.50
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2 x AAA Battery Holder w/Switch and JST Connector
$2.25
Out-of-stock
-20%
4 x AAA Battery Holder with Cover and Switch
$2.00 $2.50
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Single Channel Relay Module (5V)
$1.99
Out-of-stock
2 x AA Battery Holder with Cover and Switch
$1.90
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2 x AAA Battery Holder with Cover and Switch
$1.90
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Add to Cart
-10%
9V Battery Holder with On/Off Switch
$1.80 $2.00
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8 x AA Battery Holder, Back-to-Back
$1.50
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6 x AA Battery Holder
$1.40
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2 x AAA Battery Holder with JST Connector
$1.40
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5 x AA Battery Holder
$1.30
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-20%
4 x AA Battery Holder with Barrel Jack
$1.20 $1.50
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