Kress CyberSystem and Cybertank System Overview
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CyberTank
The Kress CyberSystem has an unprecedented 8-minute charging time from 0 to 100% battery when using its DC-DC CyberTank charger.
The 8-minute charging claim is made with the CyberTank operating in “flash charging” or booster mode. Otherwise, the standard charging rate is 14 minutes for up to three batteries in any combination.
Flash charging is only available in charging port 1, and only when the CyberTank is above 20% charge.
The CyberTank is essentially a 400 lbs massive battery and charger that is designed to be mounted in a truck or trailer.

It has 5040 Wh or 7200 Wh depending on model, and can quickly charge the smaller 4.0Ah or 11.0Ah multiple times throughout the day.
The DC-DC charging is extremely efficient and fast as the energy requires no conversion and a large amount of power can be transferred from one battery to another quickly.
The CyberTank plugs into an AC power source, presumably overnight, and is recharged in 4 to 5 hours, depending on which size model you have. The CyberTank must be plugged into 100-240V AC and draws up to 15A current max, or 1800W.
Kress also has an AC-DC charging solution with their KAC840 Kress Commercial 30A AC Charger.
We tested this unit with our tools.
Rapid charging is typically not great for the long-term health of a battery. Despite this, Kress guarantees 3000 life cycles (charge and discharge) on the CyberPack batteries. That’s impressive as well!
This rapid 8-minute charge time means pro landscaping crews have a solution to rapidly swap batteries throughout the day and stay on top of productivity similar to a gas-powered platform.
2 CyberTank sizes
There are two CyberTank sizes – a 5 kWh unit [cost $ 10,499.00], and a 7.2 kWh unit [13,999.99]
CyberPack Batteries

The 60 V commercial platform has two battery sizes, the 4Ah and 11Ah. These batteries have LiFePO4 (Lithium Iron Phosphate) chemistry and are 240 Wh and 660 Wh charge capacities, respectively.
The CyberPack Batteries are heavy, the 11Ah battery is 17 pounds by itself. Many OPE manufacturers have challenging engineering problems with trying to incorporate enough battery power to compete with gas powered tools and keep the overall tool weight down.
Oftentimes thinner materials are used, and plastic pieces can feel flimsy and delicate. Kress clearly decided to “take-the-hit” on weight in exchange for quality and durability.
For example:
The 60V 35N Backpack Blower has thick and durable components from the frame down to the tip of the metal reinforced blower nozzle but weighs in at 32.2 lbs.
To compensate for the extra weight, the blower incorporates a very well-designed and supportive harness..

The CyberSystem Tools. Kress currently makes six 60-volt CyberSystem tools:

1. 21” Lawn mower
2. Backpack blower
3. 16” Chainsaw
4. Edger
5. 16.5” Grass Trimmer
6. Hedge Trimmer

Notable Features on the tools we reviewed:

Chainsaw:
The chainsaw has excellent cutting performance, and is fast to rev up to full power, but also sounds smoother than most saws we’ve used. There is a noticeable difference in the tone the motor makes. It sounds smooth and refined.
During our testing process, we used the Kress saw on a variety of hardwood trees with different diameters. The largest piece of wood I cut was an approximately 24″ diameter ash log that required a cut from each side to completely sever.
The Kress handled this task without any issues.
The chainsaw cost $349.99 as a bare tool.
Blower:
The Kress Commercial 60 V Backpack Blower is rated with 35 Newtons of blowing force at 890n CFM, the most powerful electric blower on the market. In fact its blower force is only topped by 2 largest and loudest heavy duty gas powered models.
The Blower shower amazingly consistent performance over the course of the battery drain, running at full speed at its highest power setting for over 13 minutes with the 11 Ah Battery. Important to note thats 4 minutes longer than the charging time of 8 minutes!
The blower standalone tool is currently priced at $499.99
Mower:

The self-propelled wheels on this mower will literally tow you around the yard and likely pull a small car uphill. It’s hard to quantify the power of this mower in an effective way, but we’d put it up against any gas powered mower under any testing situation.
The mower costs $799.00 as a bare tool.
Line Trimmer:

The Kress line trimmer has been designed with professional landscapers and maintenance crews in mind. The commercial brushless motor delivers 1.2kW of power which is equivalent to a 30cc 2-stroke gas powered trimmer. The trimmer motor can be adjusted with 3 speed settings to maximize power and run-time depending on the application.
It’s well built and comparable to any other professional trimmer we’ve used.
The trimmer costs $ 349.99

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