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Power / Batteries

Batteries
Battery Holders / Adapter
Chargers
Power Supply / Voltage Regulator
Relay
Renewable Energy
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Hand Crank Generator
$14.95
Out-of-stock
-31%
In-line power switch for 2.1mm barrel jack
$2.50 $3.60
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LiPo Charger Basic - Micro-USB
$15.95
Out-of-stock
-9%
LiPo Charger Plus - USB Type-C
$15.00 $16.50
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-15%
MOSFET Power Controller
$12.50 $14.75
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Negatron DC-DC Converter
$36.50
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Non-Isolated Single Relay Module For 3V Controller
$6.50
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Opto-Isolated Relay Module - 16 Channels (5V)
$22.99
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Opto-Isolated Relay Module - 2 Channels (5V)
$3.99
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Pololu 5V, 15A Step-Down Voltage Regulator D24V150F5
$83.95
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Pololu 9V, 15A Step-Down Voltage Regulator D24V150F9
$85.95
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Polymer Lithium Ion Battery - 1000mAh 3.7V With JST PH Connector
$16.70
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-30%
Relay SPDT Sealed - 3V
$0.95 $1.35
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Round Shape 2 x CR2032 Coin Cell Battery Holder - 6V output with On/Off switch
$0.65
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Single Channel Relay Module (5V)
$1.99
Out-of-stock
-50%
Solar Panel - 18V 2.5W
$18.75 $37.50
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-8%
SparkFun Sunny Buddy - MPPT Solar Charger
$37.50 $40.55
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Sunflower Solar Power Manager 5V
$14.50
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SWADJHV High Voltage Step Down Adjustable Switching Regulator
$42.50
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