The Hohm Tech School Battery Charger is a fully automated device, designed with safety in mind. It can charge up to four batteries, including 18650, 20700, and 21700 batteries. Its BLD1 system automatically adjusts the output for small and large cells, protecting compact li-ion batteries with or without PCB/PCM3. This preserves battery chemistry and extends its lifespan.

Product Specifications:

.5A x 2, 1A x 2 (2A Combined Output)
LED Battery Indicator
0V Auto-activation (Battery Doctor) feature brings cells back to life
Multiple protection features

Product Features

BLD1 System – Automates charge amplification & reduction on li-ion cells
0V2 Activation – among lowest Volt Recognition points ever to ensure low charge cells get back to where they ought to be (4.2V)
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 71mm
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 - 2 Bay (Micro USB)