The 4.0 Ah ARC Lithium™ Battery is equipped with an upgraded fuel gauge. you can now see how much battery power you have left in 20% increments. The ARC Lithium™ battery technology is the industry’s most advanced; equipped with patented Keep Cool Cell Technology; which keeps the cells cool and prolongs the life of the battery.
- Upgraded fuel gauge to show how much run time is remaining – 20% increments
- Patented power management system to protect your battery and enhance the life
- Charges in 30 minutes with the Rapid Charger
- Charges in 70 minutes with the EGO POWER+ standard charger
- Compatible with all EGO tools
- ARC Lithium™: Industry’s most advanced battery technology
- 3-Year Limited Warranty
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Parts & Accessories
Power+ 56 Volt Charger
The EGO POWER+ 56 Volt Charger boasts industry leading recharge times. In just 50 minutes, a depleted 2.5 Ah battery can be fully recharged with the 56-Volt Charger.View Detail
Power+ Rapid Charger
The EGO POWER+ Rapid Charger leads the industry in recharge times. In just 30 minutes, a depleted 2.5 Ah battery can be fully recharged with the Rapid Charger.View Detail
Power+ Dual port charger
Simultaneously charge two EGO batteries of any size.View Detail
POWER+ 700W Turbo Charger
The EGO 700W Turbo Charger monitors and controls each cell in the battery pack to control temperature for maximum battery life.View Detail
POWER+ 320W Charger
The EGO POWER+ 320W Charger monitors and controls each cell in the battery pack to control temperature for maximum battery life.View Detail
Frequently Asked Questions
All EGO chargers charge all EGO batteries. The rapid charger will charge any EGO battery faster than the standard charger but all chargers work interchangeably.
Yes. Thanks to advances in battery technology, it is now possible to achieve gas-matching power — without the noise, fuss or fumes.
Power is measured in Watts and that is calculated by Voltage x Current. In addition, to calculate how long that power can be delivered, use Voltage x Capacity (Ah) = Energy (Wh)
When battery cells are connected end-to-end in a single row they are in ‘SERIES’. When more than one row is combined, the rows of battery cells are connected in ‘PARALLEL’. Arranging enough cells together in series delivers the required voltage (V). Adding an identical number of cells in parallel delivers more capacity and higher power (W).
We only use high quality cells from premium manufacturers. We test and select every single cell before they’re used in the EGO Power+ 56V ARC Lithium™ battery.
The cells are continuously controlled by software and microprocessors within the battery and by our tools’ intelligent power management systems.
Three ways. Our unique Arc design maximizes surface area, so heat dissipates more effectively, every cell is surrounded by our unique Keep Cool™ phase change material (PCM) keeps individual cells at their optimum temperature for longer, and the battery software monitors the heath of each battery.
Only 56V can provide the optimal voltage and necessary power for the most demanding commercial & residential equipment. Our 56V system gives our consumer flexibility in terms of battery weight, power and cost.
Yes. Whichever EGO Power+ 56V ARC Lithium™ battery you choose for the job; our forward-thinking design means it will fit any tool. And when it’s time to charge up your power, your charger will fit any battery.
Yes. All EGO batteries are IPx4 rated. This means they have been proven to be safe for use after splashing with water (equivalent to light rain).
Batteries that have been exposed to water for longer than recommended should be returned to EGO dealers for inspection. Please call our customer service team if you have any concerns about wet or damaged batteries.
Due to their high capacity, all EGO batteries can be stored unattended for a minimum of 10 years without damaging capacity and cycle performance. After 30 days batteries discharge to 30% capacity (to ensure longevity).
Batteries have a three-year warranty and the tools themselves have a five-year warranty. The warranty for commercial users is 12 months. Please contact EGO Customer Service Toll-Free at 1-855-EGO-5656 any time you have questions or warranty claims.
We place the utmost importance on respecting the environment and comply with all necessary
Our batteries have a long lifespan, but when the time comes, simply locate the recycling center phone number that is on your battery to be instructed on the safest recycling options. 1.800.822.8837.
You may also find your closest recycling center here. Visit www.recyclenow.com/what-to-do-with/batteries-1
Watch helpful videos about popular tool features.