These Hohm School Battery Chargers by Hohm Tech are fully autonomous and are full of safety features, with chargers that hold either two of four batteries and are compatible with 18650,20700,21700.
The Hohm School Battery Charger by Hohm Tech is a fully automated and is equipped with the BLD1 system which automates the step up/down output so both small and larger cells charge at the proper rate. Even li-ion batteries with or without PCB/PCM3 are easily balanced to the correct voltage. This ensures today's small li-ion batteries chemistry integrity is not compromised, allowing them to get a full life cycle.
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
2 Bay Charger
.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
Hohm School battery charger
USB power cord