Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
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Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more - Battery World
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Hohm School 4 Slot 18650 Battery Charger Fits: 18650, 20700, 21700. 26650 batteries and more

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Hohm School 4a

HOHM SCHOOL4A Charger

 

Fits: 26650, 21700, 20700, 18650, and more. Focused purely on Li-ion chemistry.

1 Charger Per Order of 1 

30-Day Money Back Guarantee 

 

BLD System: YES
PCB/PCM Compatible: YES
Low-Voltage Conditioning: YES
Input Power Regulator: Automated
Charge Rate: 4A combined (0.5A | 1A | 2A per slot)
Battery Size Compatibility: up to 73mm
Compatible Chemistry:  Li-ion (3.6V | 3.7V)

PROFESSOR OF CHARGERS


Taking the winning features of the SCHOOL2 charger, but further enhances the BLD System (Battery Length Detection) to a 3-tier automation system (0.5A, 1A, 2A).  Hohm SCHOOL4 is built to effectively distribute up to 4A charging through the included USB-C.  No more user errors.  No more accidents.  No more confusion.  No screen is needed.  It’s 100% autonomous.  This is as user-friendly as it is effectively safe for users and cells alike.

 

USB-C 4 AMP continuous charging power and stability made it possible for Hohm SCHOOL4 to do what it does best…charge precisely and within safety tolerances.

 Hohm School 4 Slot 18650 Battery Charger

Thinking outside the box, while keeping simplicity and user-error prevention at the forefront with safety features.  18 months of R&D led us to develop an extremely capable charger that makes other chargers look stupid.  It has a 3-tier amp BLD (battery length detection) System; has a variable input voltage IPR (input power regulator) feature. This ELIMINATES USER ERRORS and keeps them and their li-ion batteries moving forward without delay.  This is simplicity at its best, while not forfeiting usable amperage or precision.

 

There is no need for a screen on this charger. It is 100% autonomous. It is equipped with our BLD1 System, which automates the step-up/down output so both small and larger cells charge at the proper rate (0.5A, 1A, 2A per channel with 4A total distribution). Even li-ion batteries with a 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 the cycle life they deserve.

 

Applying more forward-thinking targeted towards safety & performance, we integrated input voltage regulation. This is safety 101 here. This allows the charger to not stress or damage USB adapters no matter the power supplying device. The fact is simple: today’s li-ion batteries need precise voltage and amperage delivery to ensure long reliable performance & life…Say hello to Hohm SCHOOL4, the ‘Professor’ of Chargers.

 

Equipped with:

> BLD1 System: Battery Length Detection automates charge amplification & reduction on li-ion cells.
> Low Voltage Activation2: Allows overly discharged li-ion batteries down to 1.95V to be charged via a 200mA stimulate charge.
> 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 [green/red] 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] overcharge; B] short-circuit; C] wrong battery type detection; D] reverse polarity

 

Every Hohm Tech product is tested and certified by the rightful authorities/laboratories and accredited entities to achieve Compliance & Certifications: CE, ROHS, FCC, Air/Sea Transport, and is backed by Industry Leading PLI.  We do not cut corners. We deliver what we promise… chart-topping performance, capacity, consistency, and safety.

 

1 Battery Length Detection
2 Low Voltage Activation Recognition @ 1.95V
Protection Circuit Board/Module

 

WARNING: Know your battery & charger warning & safety information

Consult a certified lithium-ion specialist or certified battery pack assembler if there are any uncertainties or questions on the use of, handling of, installation of, charging of, or storage of lithium-ion batteries. Consumer safety is of utmost importance.