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Under $20 Battery Charge Controllers

Shop the best prices on 17,064 great value under $20 battery charge controllers. Shopping for battery charge controllers is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Aura, Viewleaf and more. Buy battery charge controllers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 3,200
Solar String Light Control Box Automatic Waterproof Adjustable Luminance Solar Lamp String Circuit Board Output Boost 24V
$13.95 Save $14.00 RRP: $27.95
BMS 14S 52V 35A Li-Ion Lithium Battery Charger Protection Board Battery BMS Board with Balance Funct
$20.95 Save $12.00 RRP: $32.95
E-Bike LCD Display S800 - 36V/48V Waterproof Control Panel with 5-Pin Connector
$17.95 Save $81.05 RRP: $99.00
1.2V Solar Lamp String Control Board Circuit Board with Switch Solar Street Light Control Panel Con
$6.95 Save $3.00 RRP: $9.95
4S 12V 120A Protection Board 3.2V BMS Li-Iron Battery Charger Protection Board with Power Battery Balance/Enhance Board
$18.95 Save $9.00 RRP: $27.95
LCD Display Control Panel for E-Bikes, 24V-48V Waterproof with Plug
$19.95 Save $12.00 RRP: $31.95
For 18V BL1850B/BL1840B Lithium Battery Charging Protection Board Circuit Board Battery Indicator f
$9.95
Mobile Phone Battery Repairer Overcharge Overpower over Discharge Protection Battery Voltage and Current Detector White
$13.95
DC Converter 12V to 5V 3A Double 2 USB to Auto Regulator Voltage Step
$10.95 Save $4.00 RRP: $14.95
USB Power Bank Virtual Load Anti-Shutdown Module,USB Electronic Load Mobile Power Anti-Shutdown Module
$6.95 Save $3.00 RRP: $9.95
3S 20A PCB BMS Li-ion Battery Protection Board 18650 12.6V Lipo Cell Module 2025
$3.95 Save $4.00 RRP: $7.95
Solar Panel for Security Camera Outdoor USB Charging Solar Panel
$14.95 Save $29.00 RRP: $43.95
1000V 30A PV Inline Fuse Connector Solar Panel Male Female Connector with Fuse IP67 Waterproof Solar Connectors for Outdoor Use
$9.95 Save $10.00 RRP: $19.95
PWM 6V/12V 3A Portable Solar Panel Charger Controller Regulator with LED Indicator New
$20.95 Save $12.00 RRP: $32.95
5pin Plug LCD Display for Ebike Parts, 24v/36v/48v Electric Bicycle En06 Waterproof
$19.95 Save $44.05 RRP: $64.00
48V 60V 64V 72V 1000W 1500W Electric Controller 12 Tube Dual Mode E-Bike Brushless Controller Speed
$19.95 Save $20.00 RRP: $39.95
5V USB Fan Speed Controller Voltage Regulation Module Motor Speed Controller USBA Interface DIY He
$8.95 Save $4.00 RRP: $12.95
12V 100Ah LiFePO4 Battery Protection Board with BMS
$14.95 Save $39.05 RRP: $54.00
2025 High Efficiency Rechargeable Battery Charger ML2032 ML2016 ML2020 ML1220 Button Battery Charger
$13.95 Save $14.00 RRP: $27.95
2X4.8V 700mAh Ni-Cd AA Battery Pack Rechargeable Battery SM-2P Plug RC Car
$12.95 Save $12.00 RRP: $24.95
BMS 10S 36V 15A 18650 - Lithium Battery Charge Protection Board PCB PCM Common Port for Escooter E-
$15.95
4S 12V 800A LiFePO4 Lithium Battery Charger BMS Protection Board with Power Battery Balance/Enhance
$16.95
50A 12V 24V 36V High Voltage perfect Diode Controller Solar Battery Charging Anti-Backflow Protectiored A-C Edition 1210
$14.95 Save $34.00 RRP: $48.95
LED Dual USB 5V 2.4A Micro/Type-C USB Mobile Power Bank 18650 Charging Module Lithium Battery Charger Board 2Pcs
$10.95 Save $6.00 RRP: $16.95
USB Power Bank Virtual Load Anti-Shutdown Module,USB Electronic Load Mobile Power Anti-Shutdown Mod
$17.95 Save $23.00 RRP: $40.95
OKBY Ideal Diode -15A Solar Panel Battery Charging Anti Reverse Irrigation Protection Ideal Diode
$16.95 Save $22.00 RRP: $38.95
6V 12V 10A Auto Solar Panel Charge Controller Battery Charger Regulator (Black)
$12.95 Save $56.05 RRP: $69.00
E-Bike Display Meter LCD-EN06 Display 24V 36V 48V with USB Power Speed Display E-Bike Waterproof Plug
$18.95 Save $24.00 RRP: $42.95
16S 60V 20A Protection Board Li-Ion Lithium 18650 Battery BMS PCB Protection Board with Balance for E-Bike
$19.95 Save $11.00 RRP: $30.95
10Pcs 5V 1A 18650 Lithium Battery Charging Board Lithium Battery Charging Board Micro-USB Charge Mod
$8.95 Save $3.00 RRP: $11.95
USB Power Bank Virtual Load Anti-Shutdown Module,USB Electronic Load Mobile Power Anti-Shutdown Mod
$8.95 Save $5.00 RRP: $13.95
Solar Controller 12V/24V 30A 20A 10A Solar Regulator PWM Battery Charger LCD Display Dual USB 5V Out
$12.95 Save $8.00 RRP: $20.95