HOHM TECH SCHOOL 4 BAY BATTERY CHARGER

Experience a smarter way to charge with the Advanced Hohm School Dual BLD Battery Charger—designed to streamline your charging routine without the distractions of a screen. Built on the trusted Hohm SCHOOL platform, this upgraded model features dual Battery Length Detection (BLD) Systems and an enhanced Input Power Regulator (IPR) to ensure efficient and safe power management. The BLD technology automatically tailors the charging current based on each battery’s length, delivering optimal power for faster, safer charging. It can even bring back batteries once thought to be irrecoverable. With a durable USB-C connection capable of delivering up to 4A total, this charger offers effortless, reliable performance.

Key Features:

• Advanced BLD System: Automatically modifies amperage based on battery length for optimal charging and extended battery lifespan.
• Integrated IPR: Manages input power internally to safeguard USB ports and power sources from strain.
• 2V Activation at 0.2A: Revives deeply discharged batteries that might otherwise be discarded.
• User-Friendly LED Indicators: Clear solid and pulsing lights provide instant visual charge status updates.
• Comprehensive Safety Protections: Safeguards against reverse polarity, incorrect battery types, overcharging, and short circuits for worry-free operation.

Compatible Battery Types:
Supports Li-ion batteries up to 71mm in length, including: 10440, 10500, 13450, 14500, 14650, 16500, 18490, 18650, 18700, 20650, 20700, 21650, 21700, 22500, 22650, 26500, 26650, and others.

Technical Specifications:

• Input: DC 5V / 4A, 2A, or 1A (via USB Type-C)
• Output: Maximum 4A total — split as 2 channels at 2A each, or 4 channels at 1A each
• Size Compatibility: ✔ 18650 ✔ 20700 ✔ 21700
• Reference Document: Hohm Tech School 4 Manual