Battery Chargers
Battery Chargers – Power Up Every Battery, Every Time
Whether you're charging 18650 lithium cells for flashlights, maintaining your car or motorcycle battery, or building a DIY power bank, our Battery Chargers collection has the right solution for you. From compact single-slot USB chargers to multi-slot smart chargers with LCD displays, we carry a wide range of reliable, safe, and efficient chargers compatible with Li-ion, LiPo, CR123A, and lead-acid battery types. All our chargers feature built-in protection circuits to keep your batteries — and your devices — safe from overcharge, over-discharge, and short circuits.
Featured Battery Chargers
- 1-Slot USB Smart Battery Charger 3.7V–4.2V | 18650 Lithium – A compact, travel-friendly charger that handles 18650, 14500, and 16340 cells with intelligent charging control.
- 12V 10A Smart Battery Charger with LCD Display | Car & Moto – Keep your car or motorcycle battery in peak condition with this powerful 10A smart charger featuring a clear LCD readout.
- 18650 4-Slot USB Li-ion Smart Battery Charger | Multi-Size – Charge up to four cells simultaneously with independent charging channels, compatible with a wide range of cylindrical Li-ion batteries.
- 18650 DIY Power Bank Module Dual USB 5V 2A Boost Charger PCB – Perfect for electronics makers and hobbyists building their own portable power banks.
- 16340 CR123A Li-ion Battery Wall Charger for LED Flashlights – Designed specifically for the slim CR123A and 16340 cells used in high-performance LED flashlights and cameras.
Why Choose Our Battery Chargers?
- Universal Compatibility: Our range covers 18650, 16340, CR123A, LiPo, Li-ion, and 12V lead-acid batteries — one-stop shopping for all your charging needs.
- Smart Charging Technology: Intelligent CC/CV charging algorithms ensure optimal charge cycles that extend battery life and maintain capacity over time.
- Built-in Safety Protections: Over-voltage, over-current, short-circuit, and reverse-polarity protections are standard across our lineup.
- Flexible Power Options: From USB-C and Micro-USB inputs to 100–240V universal wall adapters with EU/US plugs, we have chargers for every outlet and situation.
- DIY & Maker Friendly: Boost charger PCB modules and LiPo charger boards make it easy to integrate charging into your own electronics projects.
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What types of batteries are compatible with your 18650 battery chargers?
A: Our 18650 battery chargers are designed primarily for 3.7V–4.2V lithium-ion cells, including the popular 18650 size. Many models, such as our 18650 Battery Charger 2/3/4 Slot USB Independent Charging, also support 16340, 14500, and other standard cylindrical Li-ion formats. Always check the product specifications to confirm compatibility with your specific battery size.
Q: Are these battery chargers safe to use overnight?
A: Yes — all smart battery chargers in our collection include automatic shutoff and overcharge protection, which stop the charging process once a battery reaches full capacity. This makes them safe for extended or overnight charging sessions. We recommend using a charger with an LCD display, like the 12V 10A Smart Battery Charger with LCD Display, so you can easily monitor charge status.
Q: Can I use these wall chargers internationally while traveling?
A: Many of our wall chargers support a wide input voltage range of 100–240V and come with both EU and US plug options, making them ideal for international travel. Check out our 12.6V 1A Li-Ion Wall Charger EU/US Plug | 100-240V Universal for a great travel-compatible option.
Q: What is a boost charger module and who is it for?
A: A boost charger module, like the 134N3P 5V Boost LiPo Charger Module USB-C LED Protection, is a compact PCB board that both charges a LiPo or Li-ion cell and boosts its output voltage to a stable 5V. It's ideal for electronics hobbyists, engineers, and makers who want to integrate rechargeable battery power into custom projects such as wearables, IoT devices, or portable gadgets.
