18650 Li-Ion Battery Charger 90° DC 4.2V–29.4V 1A/2A | Lamakoki

Lamakoki 18650 Lithium Battery Charger – Smart & Universal

Keep your lithium-ion and lithium polymer battery packs fully charged and ready to go with the Lamakoki 18650 Right Angle Intelligent Li-Ion Battery Charger. Compatible with a wide range of output voltages (4.2V, 8.4V, 12.6V, 16.8V, 21V, 29.4V) and selectable output currents of 1A or 2A, this versatile power supply adapter is engineered for reliability and safety. The space-saving 90° right-angle DC plug ensures a neat, low-profile connection — ideal for tight spaces or wall-mounted setups.

Made in Mainland China.

Key Features

• Wide Voltage Compatibility: Supports DC output at 4.2V, 8.4V, 12.6V, 16.8V, 21V, and 29.4V — perfect for 1S to 7S lithium battery packs
• Selectable Output Current: Choose 1A or 2A to match your battery pack's capacity (1100–5500 mAh range)
• 90° Right-Angle DC Plug: 5.5×2.1mm connector for a snug, space-efficient fit
• Intelligent Charging with Status Indicators: Red LED during charging; Green LED signals a full charge; auto-stops when complete to protect your batteries
• Universal AC Input: AC 100–240V / 50–60Hz — works worldwide with EU and US plugs included
• Triple Protection System: Input overcurrent protection, output current protection, and short-circuit protection for worry-free charging
• CE Certified: Meets international safety and quality standards
• Broad Battery Compatibility: Works with 18650, 18490, 14650, 14500, 14430, and more

Specifications

Battery Compatibility

Suitable for lithium-ion and lithium polymer batteries with pack voltages of 3.7–4.2V, 7.4–8.4V, 11.1–12.6V, and 14.8–16.8V, covering capacity ranges from 1,100 to 5,500 mAh. Compatible cell types include 18650, 18490, 14650, 14500, 14430, and many others.

You Might Also Like

• 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel
• 10-Pc Hex Nut & Bolt Extractor Kit 9–19mm
• 105° Right Angle Driver with 1/4" Hex Screwdriver Bit

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What lithium battery types is this charger compatible with?

A: This charger is compatible with lithium-ion and lithium polymer batteries, including popular cell formats such as 18650, 18490, 14650, 14500, and 14430. It supports battery pack voltages of 3.7–4.2V, 7.4–8.4V, 11.1–12.6V, and 14.8–16.8V, with capacities from 1,100 to 5,500 mAh.

Q: How do I know when the battery is fully charged?

A: The charger features a clear LED indicator system — the red light illuminates during active charging, and the green light turns on once charging is complete. The charger also automatically stops supplying current when the battery reaches full capacity, protecting battery health.

Q: Does this charger work in multiple countries?

A: Yes! The Lamakoki charger accepts a universal AC input of 100–240V / 50–60Hz, making it compatible with power outlets worldwide. Both EU and US plug types are included in the package.

Q: What safety protections does this charger include?

A: This intelligent charger is built with three layers of protection: input overcurrent protection, output current protection, and short-circuit protection — all working together to keep your batteries and devices safe during every charge cycle.

Q: What is the DC plug size and type?

A: The charger uses a 5.5×2.1mm DC barrel plug in a 90° right-angle configuration, with positive polarity on the inner pin and negative on the outer sleeve. The 90° angle design makes it easy to use in confined spaces without stressing the cable.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.