Efest Pro C4 Battery Charger

The Efest PRO C4 4-Bay Smart Battery Charger delivers fast, safe, and efficient charging for multiple lithium-ion batteries simultaneously. Designed with four independent charging bays, it allows you to monitor and charge up to four 3.6V/3.7V lithium cells at once. The charger features two adjustable charging modes, including a 1A fast charge mode for one or two batteries and a 0.5A trickle mode for a stable charge when charging three or four batteries. Intuitive LED indicators display red while charging and green when batteries are fully charged, providing clear status at a glance.

Built with a comprehensive protection suite, the PRO C4 ensures safe charging with reverse polarity protection, activation protection, overcharge protection, short-circuit protection, and auto-detect charging functionality. Its durable, fire-retardant construction guarantees long-lasting performance, making it a reliable choice for both home and portable use.

• 4-Bay Battery Charger

• Independent charging and monitoring for each bay

• Intuitive LED battery life indicators

• Two charging modes: 0.5A trickle and 1.0A fast charge

• AC Input: 100–240V 50/60Hz

• DC Input/Output: 12V 1A

• 1A CC Current: 1000mA ±10%

• Advanced safety protections: reverse polarity, activation, overcharge, short-circuit

• Durable fire-retardant construction

• Compatible with Li-ion batteries: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 22650, 26500, 26650

• 1 × Efest PRO C4 Charger

• 1 × AC Wall Plug

• Instructional Manual

• Warranty Card

Charge up to four lithium-ion batteries safely and efficiently with the Efest PRO C4 4-Bay Smart Battery Charger. Features independent bay monitoring, dual charging modes (0.5A & 1A), intuitive LED indicators, and advanced protections including reverse polarity, overcharge, and short-circuit safety. Ideal for reliable, high-performance charging of multiple Li-ion battery sizes.