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Shop the best prices on 170 great value 4s products. Shopping for 4s is easy with Fruugo, with SALE discounts, offers and savings on Dirtypigs. Buy mobile phone cases, motor vehicle engine parts, motor vehicle power & electrical systems and more online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1 - 32 of 170
1S 2S 3S 4S Single 3.7V 18650 Lithium Battery Capacity Indicator Module Percent Power Level Tester LED display board
£19.95 Save £7.00 RRP: £26.95
Mosiee 12V 5A Battery Balancer For Ncm Ternary Polymer Lithium Battery With Active
£30.95 Save £18.05 RRP: £49.00
F30 Brushless Motor UltraLight Micro-Brushless Motor for 3inch RC FPV Racing Drone 4S
£139.00 Save £20.00 RRP: £159.00
High Precise 6A Active Equalizers Active Balancing Board For LiFePO4 Cell 0.01V Accuracy, Low Power Consumption
£14.95
Lithiums Batteries Protections Boards Module 3 s/4S/6S 50A High Efficiency Charging Solution Management for Extended Use Multicolor
£20.95
Multipacks Batteries Charging Module 3 s/4S/6S 50A Automatic Voltages Detection Industrial Charging Protections Boards Multicolor
£18.95
3 s/4S/6S LiBatteries Protections Circuit Board Management 50A Output Enhanced Durability for DIY Electronics Project Multicolor
£19.95
Battery Protections Board 3 s/4S/6S Configuration Intelligent Current Control Circuits Intelligent Management 3pcs Multicolor
£18.95
Multiple Model LiPo Balance Charger Plug Guard Impact Resistant Chargers Plug Protector for Toy 2S to 6S Batteries Multicolor
£15.95
Non Slip LiPo Charger Plug Protector Shockproof Finger Shape Designs Connector for 2S to 6S Aircraft Recyclable Multicolor
£15.95
2S 3S 4S 1A 2A 4A Type-C Dc 3.7V 5V Naar 8.4V 12.6V 16.8V Step-Up Boost Lipo
£11.95 Save £7.00 RRP: £18.95
3S 4S 5S 6S 8S 14S 17S 21S Li-ion Lifepo4 LTO Lithium Battery Active Equalizer Balancer Board Active Balance Module BMS Balancer
£11.95 Save £9.00 RRP: £20.95
2/4/8Channel Optocoupler Voltages Converters Boards Module For MCU Interfaces Isolation 3.6-30V Output Compatibility Multicolor
£8.95
Photoelectric Isolated Adapter 2/4/8Channel Optocoupler Isolation Module 3.6-30V Ranges For Signal Inversions Motors drive Multicolor
£8.95
Optocoupler Isolation Board 2/4/8Channel Photoelectric Converters Module For MCU Level Shifting 3.6-30V Ranges Multicolor
£8.95
2/4/8Channel Optocoupler Voltages Converters Boards Module For MCU Interfaces Isolation 3.6-30V Output Compatibility Multicolor
£8.95
Optoelectronic Isolated Voltages Adapter Module 2/4/8Channel Board Module With 3.6-30V Output For Circuit Protections Multicolor
£8.95
2/4/8Channel Optocoupler Adapter Boards Photoelectric Isolators Module For MCU Signal Protections 3.6-30V Ranges Multicolor
£8.95
BMS 3S 4S Active Balancer Board 1.2A Lifepo4 Lipo Li-ion Lithium Battery Energy Transfer Equalizer Module Inductive Version
£5.95 Save £21.00 RRP: £26.95
2/4/8Channel Voltages Isolation Module Optocoupler Isolation Board For MCU Output And High Voltages Detection Tool
£8.95
Photoelectric Isolated Adapter 2/4/8Channel Optocoupler Isolation Module 3.6-30V Ranges For Signal Inversions Motors drive Multicolor
£8.95
2/4/8Channel Optocoupler Voltages Converters Boards Module For MCU Interfaces Isolation 3.6-30V Output Compatibility Multicolor
£8.95
Optocoupler Isolation Board 2/4/8Channel Photoelectric Converters Module For MCU Level Shifting 3.6-30V Ranges Multicolor
£8.95
Photoelectric Isolated Adapter 2/4/8Channel Optocoupler Isolation Module 3.6-30V Ranges For Signal Inversions Motors drive
£8.95
Efficient 6A Active Equalizers Active Balancing Board For Lithium Battery Packs, 4S/6S/17S, Expandable Design
£14.95
Lithium Battery Balancing Module 6A Active Equalizers 4S/6S/17S Configurations With Automatic Low Voltages Shutdown
£14.95
Efficient 6A Active Equalizers Active Balancing Board For Lithium Battery Packs, 4S/6S/17S, Expandable Design
£14.95
Multiple Model LiPo Balance Charger Plug Guard Impact Resistant Chargers Plug Protector for Toy 2S to 6S Batteries Multicolor
£13.95 Save £2.00 RRP: £15.95
Advanced 6A Active Equalizers Active Battery Equalizers Board, for 4S/6S/17S LiFePO4, Energy Transfer Up To 6A
£12.95 Save £1.00 RRP: £13.95
Battery Charging Balancer Board With Led Monitoring And Threefold Fire Resistance Battery Management Multicolor
£12.95
Battery Charging Balancer Board With Led Monitoring And Threefold Fire Resistance Battery Management Multicolor
£12.95
Efficient Battery Charge Balancer For 3S 4S Configurations Compatibility Battery Management Fire Resistance Multicolor
£12.95