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Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C
Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C
Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C

Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C

(102 reviews)

Bring home the muscle behind the world’s greatest home and outdoor tool range. For over 200 diverse tools to use around the home, in the garden or even camping – there’s only one battery you’ll need. And with the RYOBI ONE+ 5.0Ah battery kit, you can own a pair of them. The ultimate range of tools requires the ultimate battery. So the RYOBI ONE+ 5.0Ah batteries both come fitted with the best in convenience and durability. Each battery is protected against overloading or deep discharge while staying in control of the temperature. But to make usage more convenient, each battery includes its own fuel gauge to indicate the remaining charge. So as you use one 5.0Ah battery, the other can charge. With two batteries on hand, you’ll be able to get any jobs done around the home or in the garden with ease.

Bring home the muscle behind the world’s greatest home and outdoor tool range. For over 200 diverse tools to use around the home, in the garden or even camping – there’s only one battery you’ll need. And with the RYOBI ONE+ 5.0Ah battery kit, you can own a pair of them. The ultimate range of tools requires the ultimate battery. So the RYOBI ONE+ 5.0Ah batteries both come fitted with the best in convenience and durability. Each battery is protected against overloading or deep discharge while staying in control of the temperature. But to make usage more convenient, each battery includes its own fuel gauge to indicate the remaining charge. So as you use one 5.0Ah battery, the other can charge. With two batteries on hand, you’ll be able to get any jobs done around the home or in the garden with ease.

$319.95 - $399.99

in 2 offers

The lowest price for Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C right now is $319.95 at eBay.com.au.

The all-time low was $319.95 on 11 Oct 2025. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 8 June 2026.

Ryobi One+ 18V Twin 5.0Ah Battery Pack RB185050C

$319.95

(102 reviews)

Bring home the muscle behind the world’s greatest home and outdoor tool range. For over 200 diverse tools to use around the home, in the garden or even camping – there’s only one battery you’ll need. And with the RYOBI ONE+ 5.0Ah battery kit, you can own a pair of them. The ultimate range of tools requires the ultimate battery. So the RYOBI ONE+ 5.0Ah batteries both come fitted with the best in convenience and durability. Each battery is protected against overloading or deep discharge while staying in control of the temperature. But to make usage more convenient, each battery includes its own fuel gauge to indicate the remaining charge. So as you use one 5.0Ah battery, the other can charge. With two batteries on hand, you’ll be able to get any jobs done around the home or in the garden with ease.

Bring home the muscle behind the world’s greatest home and outdoor tool range. For over 200 diverse tools to use around the home, in the garden or even camping – there’s only one battery you’ll need. And with the RYOBI ONE+ 5.0Ah battery kit, you can own a pair of them. The ultimate range of tools requires the ultimate battery. So the RYOBI ONE+ 5.0Ah batteries both come fitted with the best in convenience and durability. Each battery is protected against overloading or deep discharge while staying in control of the temperature. But to make usage more convenient, each battery includes its own fuel gauge to indicate the remaining charge. So as you use one 5.0Ah battery, the other can charge. With two batteries on hand, you’ll be able to get any jobs done around the home or in the garden with ease.

Price comparison

Price data powered by pricesAPI.io

Last updated at 08/06/2026 18:16:16

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
eBay.com.au

$319.95

Genuine Ryobi 18v One+ 5.0ah Twin Battery Pack, Deep Discharge

Delivery $15.50

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$399.99

Ryobi 18V ONE+ Twin 5.0Ah Battery Pack RB185050C BRAND NEW GENUINE AUST STOCK

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

18V ONE+ Twin 5.0Ah Battles.
10 December 2022Robs1800

originally posted on ryobi.co.nz

I purchased the twin pack of Batteries to replace some older batteries I purchased in 2016, which were getting a bit tired. They have been used on a number of my Ryobi tools from Drills , Hammer Drills, circular saw, reciprocating Saws, torches, chainsaw, edge trimmer and all of my collection of over 30 Ryobi 18V One+ tools.

Gardening Pleasure has Returned for this Veteran
8 December 2022Pleasure Gardner Now

originally posted on ryobi.co.nz

I wanted to share my new experience with Ryobi. I am a retired Vietnam War Veteran with some physical health issues. Had heaps of trouble with the petrol type machinery which was making my simple gardening pleasure a real chore and gave up, this was until my son purchased me first a leaf blower then a small pruning saw. I now have brought a battery operated whipper snipper. These purchases have changed my active life from a chore to a pleasure. My great gratitude for investing in these now simple gardening items.

Great Deal!
21 December 2022

originally posted on bunnings.com.au

Ordered a twin pack of Ryobi 5aH batteries. Unfortunately the local Bunnings (Port Macquarie) was out of stock. They advised that they could replace the 5aH with a twin pack of 6aH batteries instead, at the same price, if I'd like the swap. Would I? Jumped at it, thanks guys. btw I have a goodly collection of Ryobi 18v ONE+ tools, they're all great & you can never have enough batteries.

Price comparison

Updated about 9 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
eBay.com.au

$319.95

Genuine Ryobi 18v One+ 5.0ah Twin Battery Pack, Deep Discharge

Delivery $15.50

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$399.99

Ryobi 18V ONE+ Twin 5.0Ah Battery Pack RB185050C BRAND NEW GENUINE AUST STOCK

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

18V ONE+ Twin 5.0Ah Battles.
10 December 2022

I purchased the twin pack of Batteries to replace some older batteries I purchased in 2016, which were getting a bit tired. They have been used on a number of my Ryobi tools from Drills , Hammer Drills, circular saw, reciprocating Saws, torches, chainsaw, edge trimmer and all of my collection of over 30 Ryobi 18V One+ tools.

Robs1800 originally posted on ryobi.co.nz
Gardening Pleasure has Returned for this Veteran
8 December 2022

I wanted to share my new experience with Ryobi. I am a retired Vietnam War Veteran with some physical health issues. Had heaps of trouble with the petrol type machinery which was making my simple gardening pleasure a real chore and gave up, this was until my son purchased me first a leaf blower then a small pruning saw. I now have brought a battery operated whipper snipper. These purchases have changed my active life from a chore to a pleasure. My great gratitude for investing in these now simple gardening items.

Pleasure Gardner Now originally posted on ryobi.co.nz
Great Deal!
21 December 2022

Ordered a twin pack of Ryobi 5aH batteries. Unfortunately the local Bunnings (Port Macquarie) was out of stock. They advised that they could replace the 5aH with a twin pack of 6aH batteries instead, at the same price, if I'd like the swap. Would I? Jumped at it, thanks guys. btw I have a goodly collection of Ryobi 18v ONE+ tools, they're all great & you can never have enough batteries.

originally posted on bunnings.com.au
High capacity great for heavy loads
18 September 2022

You can never have enough batteries, I bought these at a great price (only $10 more than the 4Ah models) so I can run my inverter for up to 10 hours in the event of a blackout. Also handy for my other tools, physically the same size as the 4Ah batteries and barely any heavier. Love the 3 year warranty also.

Bradley originally posted on ryobi.co.nz
Not sure if it is suitable for my current tools
17 October 2022

I bought the 5.0Ah battery twin pack to add to my toolkit. To my disappointment this pack does not comply with AS/NZS standards requirements OCS1825 OLM1836H OLM1833SI tried to contact Ryobi via telephone to clarify what this means. To date no satisfactory answer has been received

Trevor originally posted on bunnings.com.au
Perfect product for home use
23 October 2022

The twin packs are at a great price making it more convenient to have the extra batteries for the bigger jobs like whipper snippering large areas. By the way the whipper snipper has way out performed what I thought it would do. More than impresses and so are my family and friends. Love my Ryobi tools

Onya originally posted on ryobi.co.nz
Portability, convenience and reliability
26 January 2023

We have replaced our power tools with the great selection of Ryobi cordless tools over the years and have been very impressed with the quality and portability. We have also purchased a few of the 240v items like the water pressure cleaner which have served its purpose when cleaning farm and play equipment.

Dianna originally posted on ryobi.co.nz
Quality Ryobi 18V ONE+ 5.0 AH Twin Battery Pack
29 October 2022

The additional twin battery pack supports a good selection of Ryobi products I own. These batteries have the power to allow me to complete my work. I am very happy to recommend these quality products.

Stewart65 originally posted on ryobi.co.nz
Reliable Battery Packs
30 August 2022

Well constructed rechargeable unit that easily clips into Ryobi skin. Fast charges great in Ryobi fast charges to keep the job on the go. Ryobi Keep an eye out when they're on sale as they drop $30+ per bundle.

BenM originally posted on ryobi.co.nz
Well done Ryobi
18 October 2022

I have an extensive range of Ryobi tools and camping equipment with over a dozen 5ah batteries.I am so impressed with them i bought several items for my sons who are expanding their collections. I had a problem with a blower and it was swapped for a new replacement. Ryobi is good value and good quality in one. Their range of products is extensive and I use many of their camping products with no issue. Try the small blower to get your campfire roaring, misting fans to keep cool and a range of lights. Well done Ryobi and I look forward to some new products.

Ryobi Admirer originally posted on ryobi.co.nz

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