Power & Battery Modules

Whether you're building a custom battery pack, designing a solar energy system, managing power for an RC drone, or engineering a reliable UPS backup, our Power & Battery Modules collection has everything you need. Browse a comprehensive range of high-quality electronics components — from lithium battery protection boards and MPPT solar charge controllers to DC-DC buck converters, fast-charging modules, and UPS power boards. Designed for makers, engineers, hobbyists, and professionals alike, every module in this range is selected for performance, safety, and compatibility with popular platforms and voltages.

Featured Products

• 100W Fast Charging Module 2-7S TYPE-C USB XT60 LiFePO4 – A versatile fast-charge solution supporting LiFePO4 cells with USB Type-C and XT60 connectors, ideal for high-drain battery packs.
• 10S 36V 15A 18650 Lithium Battery Protection Board BMS Module – Protect your 36V lithium battery packs with this robust BMS module, featuring over-charge, over-discharge, and short-circuit protection.
• 100W MPPT Solar Charge Controller 5A DC 8-28V | 9V 12V 24V – Maximize solar panel efficiency with Maximum Power Point Tracking technology, compatible with 9V, 12V, and 24V systems.
• 1200W/1500W DC Buck Converter Module – Adjustable Voltage – A heavy-duty step-down converter capable of handling up to 1500W, with adjustable output voltage for demanding power supply applications.
• 12V 36W UPS Module – 3S Lithium Battery Backup Power Board – Keep your devices running during outages with this compact 12V UPS module, perfect for routers, Raspberry Pi, and embedded systems.

Why Choose Our Power & Battery Modules?

• Wide Compatibility: Modules covering 5V to 36V+ systems, compatible with Li-ion, LiFePO4, and other chemistries.
• Safety First: BMS boards with NTC temperature sensing, over-voltage, under-voltage, and short-circuit protection built in.
• Renewable Energy Ready: MPPT solar charge controllers optimized for 9V, 12V, and 24V off-grid applications.
• DIY & Professional Grade: Suitable for makers, electronics engineers, robotics builders, EV projects, and beyond.
• Fast & Efficient: USB Type-C fast-charging and high-efficiency DC-DC conversion to minimize energy loss.

What's in This Collection?

Our Power & Battery Modules range covers the essential building blocks of any power system:

• BMS / Battery Protection Boards – Safeguard lithium battery packs from damage with multi-cell protection boards including the 10S 36V 15A Li-ion Battery Protection Board with NTC.
• DC-DC Buck Converters – Step down voltage efficiently with modules up to 1500W.
• Solar Charge Controllers – MPPT controllers for reliable solar energy harvesting and battery management, including the 12V 12A MPPT Solar Charge Controller – Li-ion & LiFePO4 Module.
• Fast Charging Modules – USB Type-C and XT60-compatible charging boards for LiPo and LiFePO4 packs.
• UPS Backup Boards – Uninterruptible power supply modules for embedded and IoT applications.
• Switches & Control Components – Waterproof push button switches and light switches for robust circuit control.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is a BMS module and do I need one for my lithium battery pack?

A: A Battery Management System (BMS) module is an electronic circuit board that monitors and protects lithium battery cells from over-charging, over-discharging, overcurrent, and short circuits. If you are building or using a lithium battery pack — whether for an e-bike, power bank, or DIY energy storage system — a BMS module is essential to ensure safe and reliable operation.

Q: What is the difference between MPPT and PWM solar charge controllers?

A: MPPT (Maximum Power Point Tracking) solar charge controllers are significantly more efficient than PWM (Pulse Width Modulation) types. MPPT controllers dynamically adjust their input to harvest the maximum available power from solar panels, making them ideal for 12V, 24V, and off-grid systems where efficiency matters. Our 100W and 12V 12A MPPT Solar Charge Controllers deliver optimized charging performance across a wide voltage range.

Q: What does a DC buck converter module do, and what wattage do I need?

A: A DC buck converter (step-down converter) takes a higher input DC voltage and converts it to a lower, regulated output voltage. The wattage you need depends on your load — for high-current applications like motor drives, LED arrays, or industrial equipment, our 1200W/1500W DC Buck Converter Modules offer adjustable voltage and robust power handling. For lighter loads, smaller modules may suffice.

Q: Are these power modules compatible with LiFePO4 batteries?

A: Yes! Several modules in this collection, including the 100W Fast Charging Module and the 12V 12A MPPT Solar Charge Controller, explicitly support LiFePO4 (Lithium Iron Phosphate) battery chemistry. LiFePO4 batteries are prized for their safety, long cycle life, and thermal stability, making them a popular choice for solar storage, EVs, and backup power applications.

Q: Can I use a UPS module to power a Raspberry Pi or router during outages?

A: Absolutely. The 12V 36W UPS Module is specifically designed for embedded systems, routers, Raspberry Pi setups, and other low-power devices that require continuous uptime. It automatically switches to battery backup power during a mains outage, ensuring your system keeps running without interruption.