4-Slot DIY Series Connection AA Battery Case Holder with Switch
High-quality ABS plastic construction ensures durability and impact resistance. Precision-engineered copper contacts provide optimal conductivity for reliable power transfer. Integrated on/off switch allows instant control without disassembly. Series connection design boosts voltage output to 6V for LED strips, small motors, and DIY lighting projects. Compact and lightweight for portable use in camping, emergency kits, or science experiments. Secure snap-lock lid prevents accidental battery spills. Ventilation slots enhance heat dissipation during extended use. Compatible with all standard AA batteries (alkaline/NiMH/Li-ion). Ideal for makers, hobbyists, and off-grid lighting solutions. Wholesale pricing available for bulk orders—customizable upon request. Ships globally with factory-direct quality assurance.