The Hohm Tech School Battery Charger is a professionally designed device that can safely and automatically charge up to four batteries. It is compatible with various battery types including 18650, 20700, and 21700. The advanced BLD1 system ensures efficient and safe charging for both small and large cells, protecting the integrity of today's compact li-ion batteries with or without PCB/PCM3 and increasing their lifespan.

Product Specifications:

4 Bay Charger
2.0A x 2, 1.0A x 4 / 1A x 2 & 0.5A x 2 (4A Max Combined Output)
Completely automated with LED charge status indicators
Compatible will all Li-ion cells from 30mm to 73mm
Multiple protection features (over charge, short-circuit, wrong battery type detection and reverse polarity

Product Features

BLD1 System – Automates charge amplification & reduction on li-ion cells
Input-Power Autonomous Regulator integration (no more stressing USB power adapters or ports)
Compatible with ALL li-ion cells from as short as 30mm to as long as 73mm
LED indicator that reports color and blink variation for quick/easy readout
PCB/PCM3 compatible so even protected cells aren’t left out in the cold
Protection 101: A] over charge; B] short-circuit; C] wrong battery type detection; D] reverse polarity

Hohm Tech School Battery Charger - 4 Bay (USB-C)