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Be sure to check out the new Ryobi 48V subreddit
Current Deals (June 02, 2026)
Current Deals (June 02, 2026)
I'm constantly looking at batteries and other components for these mowers. I'll try to keep this page updated wth current deals.
If you're not sure where to start and you just want to be pointed at which battery to get. Take a look at the Lithium Upgrade Cheatsheet.
This page contains affiliate links. If you make a purchase through these links, I may earn a small commission at no extra cost to you.
Sales and Coupons
Sales and Coupons
2% Off at DCHouse with coupon code 5FROMYOURFRIEND
5% Off at LiTime with coupon code ABOUTLITIME
5% Off at Power Queen with coupon code BUYTHEPOWER
Used in RM300 for up to 3/4 Acre
$328 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$369 on Amazon with brand promotion HRZUE9B1P20L
$390 on LiTime with coupon code ABOUTLITIME
Same specs as LiTime
$308 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$351 on Amazon with brand promotion W7JFJPDX87MA
$371 on Power Queen with coupon code BUYTHEPOWER
Used in RM480 for up to 1.2 acres. Some models are suitable for ZT480.
$320 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
Works in ZT480 (1.2 acres)
$500 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$510 on DCHouse with coupon code 5FROMYOURFRIEND
Refurbished: $360 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
Note: The bundled charger is intended for onboard use in golf carts. It should not be used onboard with mowers since debris can block the fan. You can add an RXV plug and use the existing charge port or leave the in-line plug that comes with the charger accessible. However, for simplicity, the HTRC P3648 charger is recommended.
$600 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$608 on DCHouse with coupon code 5FROMYOURFRIEND
Mainly used in RM300 where the dimensions of 50Ah batteries prevent a good fit.
This is the largest battery that will fit in an RM300 without cutting any metal.
$670 on Cloud Energy with coupon code BUYTHECLOUDENERGY
Includes tax
It's also available bunded with a charger, but it is not recommended since the charger is oversized for this size battery
Used in all models for up to 3 acres.
RM300 requires removing two center angle iron from battery compartment.
This battery has low inventory and is currently only available on Amazon.
$750 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$779 on DCHouse with coupon code 5FROMYOURFRIEND
Note: The bundled charger is intended for onboard use in golf carts. It should not be used onboard with mowers since debris can block the fan. You can add an RXV plug and use the existing charge port or leave the in-line plug that comes with the charger accessible. However, for simplicity, the HTRC P3648 charger is recommended.
This battery has low inventory and is currently only available on Amazon.
$831 on eBay with coupon code FAVEDEAL20 (Expires June 14th)
$853 on DCHouse with coupon code 5FROMYOURFRIEND
$870 on Amazon with coupon on page
Sometimes a cheaper alternative to the DC House 100Ah. Plastic case.
With Charger:
See the note in the DC House section for details on why you may not want to get a bundled charger
Used in RM480, ZT480, and ZT540 models for up to 4 acres
Has not been tested in an RM300, but is liekly to be slightly too large.
Short dense battery in metal case
$1000 on Cloud Energy with coupon code BUYTHECLOUDENERGY
Includes tax
Components for building a solar charger for our mower. For more information check here.
Components for building a solar charger for our mower. For more information check here.
DC House 300W Boost MPPT Solar Charge Controller
$49 on DCHouse with coupon code 5FROMYOURFRIEND
I did a video on installing this meter
- Brinly Snow Blade for ZT480 / ZT540 / 80V Zero Turn
Unfortunately the holiday coupon is finished, sometimes they have coupons in the Sping or for holdays
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