Batteries & Battery Holders

Batteries & Battery Holders

Power your projects with confidence. Our Batteries & Battery Holders collection brings together everything you need to store, connect, charge, and protect batteries across a wide range of electronics and DIY applications. Whether you're restoring a classic Game Boy cartridge, building a custom LED flashlight, wiring up a solar panel system, or assembling a portable power tool battery pack, we have the right holder, charger, or contact component for the job. Every product in this category is selected for reliability, compatibility, and value — so your builds stay powered and your projects stay on track.

What You'll Find in This Collection

  • Coin Cell Holders – Secure mounts for CR2032, CR1616, and similar batteries, including options with on/off switches and PCB-ready sockets.
  • AA & Multi-Cell Holders – Single and dual AA holders with wire leads, ideal for DIY power supplies and prototype circuits.
  • 18650 Li-Ion Holders & Cases – Modular, spliceable brackets and waterproof storage cases for 18650 cells used in flashlights, power tools, and more.
  • Battery Chargers – USB and car-compatible chargers for 18650 and lithium-ion batteries, featuring LED indicators for safe, monitored charging.
  • Spring Contacts & Connectors – Leaf spring contacts and crocodile clip connectors for reliable electrical contact across battery types including AA, CR2, CR123A, and 9V.
  • Protection & Charging Modules – Solar anti-backflow diode modules, BMS protection boards, and Type-C charging driver boards for advanced builds.

Featured Products

Why Choose Our Battery Holders & Accessories?

From hobbyists and makers to engineers and repair technicians, our battery components are trusted for their build quality and wide compatibility. Key benefits include:

  • ✅ Broad compatibility – Products covering AA, AAA, 9V, CR2032, CR1616, CR2, CR123A, and 18650 cell types.
  • ✅ Pack quantities – Most items are available in 10-packs or 100-packs for cost-effective stocking.
  • ✅ Safety features – BMS protection boards, ideal diode modules, and LED-monitored chargers help prevent overcharge and damage.
  • ✅ DIY-ready – Wire leads, crocodile clips, PCB contacts, and modular brackets designed for easy integration.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What types of battery holders are available for CR2032 coin cell batteries?

A: We carry several CR2032 battery holder options, including the 10-Pack CR2032 Coin Cell Battery Holder Cases for standard PCB or breadboard use, as well as the 10Pcs CR2032 Coin Cell Battery Holder with On/Off Switch for projects that require a built-in power toggle — no external switch circuitry needed.

Q: Are the 18650 battery holders compatible with different cell sizes?

A: Yes. Our 18650 Battery Holder Bracket is designed specifically for standard 18650 cells, while our 18650 Li-Ion Battery Charger 1-Slot supports multiple Li-ion cell sizes, making it a versatile choice for labs and workshops with mixed battery inventories.

Q: Can I use these battery holders and contacts for DIY electronics and school projects?

A: Absolutely. Products like the 100-Pack 2AA Battery Holder with Wire Leads and the 10Pcs U-Shaped Battery Bulb Holder Crocodile Clip Wire Connectors are specifically designed for DIY builds, educational experiments, and prototyping, offering easy connectivity without soldering.

Q: What safety features do the battery chargers include?

A: Our chargers are built with safety in mind. The 18650 Dual Slot USB Li-Ion Battery Charger features LED indicators to signal charge status and prevent overcharging. The 12V/24V Car Charger for 18V Li-Ion Batteries also includes LED indicators and is compatible with both 12V and 24V vehicle systems for on-the-go charging.
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