does this 2.5ah battery outperform the standard 2ah unit? if so, how much??

The 2.5Ah battery will provide a bit more runtime than a 2.0Ah battery. Approximately 25% more than a 2.0Ah battery.

Is this listing for a 6 amp 40V (see picture) or 80V 2.5Ah (see heading)?

I missed that photo mess up! Looking down through the description and other toys they show are 80v. I got the Greenworks leaf blower GBA80250 80V 2.5Ah Lithium Ion Battery with a spare. The batters seems to be last longer between charges now that I have had it awhile Only issue with the blower was the tube kept coming off. Replace the wire tie with a Aero-Seal Clamps and it swings left to right with out coming off.

Can you explain why batteries are not properly marked for amps? on the 2a-144wh 80v=1.8amp, on 4a 288wh-3.6a

The reason is that the voltage of the battery is 72V nominal/80V max. Nominal is average use volts, max is extreme use volts (surges, start-up, stall prevention etc). For example, 72V x 2.0Ah = 144Wh which would be the capacity of the battery.

Will this fit in the old style drop in charger?

McGee, your question is too vague to answer. I would not know what an "old style drop charger" is. This battery has a charger made specifically for it by Greenworks. That is the only one you can use.

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Greenworks PRO 80V 2.5Ah Lithium-Ion Battery (Genuine Greenworks Battery / 75+ Compatible Tools)

Product ID: 160576458

Details

Battery Capacity
2.5 amp_hours
Battery Cell Composition
Lithium Ion
Brand
Greenworks
Number of Batteries
1 Lithium Ion
Recommended Uses For Product
Power Tool

⚡80V max power

🔋2.5Ah long-lasting capacity

⏱️45 min rapid charge

R8402

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your passion, ditch the gas, and join the cordless revolution!

STAY INFORMED ON THE GO - Built-in LED fuel indicator keeps you in control with real-time battery status at a glance.
CHARGE FAST WORK FASTER - Rapid 45-minute recharge means less downtime and more productivity on the job.
POWER THROUGH EVERY TASK - 80V lithium-ion tech delivers fade-free, high-performance power for all your Greenworks tools.
ONE BATTERY ENDLESS TOOLS - Seamlessly compatible with 75+ Greenworks 80V tools—switch effortlessly without missing a beat.
BUILT TO LAST BACKED TO TRUST - Lightweight yet durable design with a 4-year warranty ensures your investment powers through seasons.

The Greenworks PRO 80V 2.5Ah Lithium-Ion Battery offers rapid 45-minute charging, 80 volts of consistent fade-free power, and compatibility with over 75 Greenworks tools. Featuring an onboard LED fuel gauge and backed by a 4-year warranty, this rechargeable battery is engineered for professionals seeking efficient, eco-friendly landscaping solutions with less noise, vibration, and maintenance.

Specifications

ASIN	B07M7WN1YS
Amperage	2.5 A
Antenna Location	Power Tool
Battery Capacity	2.5 amp_hours
Battery Cell Type	Lithium Ion
Battery Weight	1452 g
Best Sellers Rank	#21,092 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #155 in Cordless Tool Battery Packs
Brand	Greenworks
Compatible Phone Models	/
Customer Reviews	4.5 4.5 out of 5 stars (307)
Global Trade Identification Number	00841821016418
Item Dimensions	6 x 3.75 x 7.75 inches
Item Type Name	Lithium Ion Battery
Item Weight	2.6 pounds
Manufacturer	Greenworks
Model Name	GBA80250
Model Number	GBA80250
Number of Batteries	1 Lithium Ion batteries required. (included)
Reusability	Rechargeable
UPC	841821016418
Unit Count	1 Count
Voltage	80 volts
Warranty Description	4 year

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R8402

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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