As one of the nation’s go-to outlets for converting Ryobi 48V riding mowers to lithium power, Best Battery brings unmatched, firsthand experience to every build. We haven’t just read about these conversions—we’ve done them ourselves in our own shop, putting multiple setups through grueling real-world yard tests to measure true mowing capacity, blade runtimes, and long-term durability. That hands-on trial work is why we stand behind the Qomolander 51V 65Ah (engineered for 1 to 2 acres) and the Bolt Energy 51V 105Ah Thin (built to conquer 3 to 5 acres). We only offer premium platforms designed to last as long as your Ryobi mower—and even outlive it.

We never settle on static solutions, either; our team is constantly bench-testing and field-evaluating emerging battery platforms to make sure our customers always have access to the absolute best technology available for this chassis.

Whether you bring your mower to our Central Florida facility for a turnkey in-house installation or choose a DIY conversion shipped straight to your garage anywhere nationwide, you are backed by real expertise. Every kit comes complete with plug-and-play wiring, dedicated smart chargers, and direct access to our master technicians via phone, video, and remote tech support to walk you through every step. Upgrading your Ryobi to zero-maintenance lithium has never been easier or more reliable.

Popular Ryobi Bundles

Qomo Energy
51V-65Ah

Drop serious weight, eliminate power sag, and restore peak cutting performance to your Ryobi 48V riding mower. The Qomolander 51V 65Ah LiFePO4 bundle delivers constant blade torque from start to finish—no more sluggish cuts or swollen, dead lead-acid batteries.

  • Yard Coverage: Cuts 1 to 2 acres on a single charge with zero voltage drop

  • Full Cutting Power: Maintains 100% blade speed and torque until the battery is depleted

  • Direct Drop-In Fit: Built specifically to replace heavy factory 48V lead-acid trays

  • Zero Maintenance: No water checks, terminal corrosion, or seasonal battery trickle-charging

  • Fast Recharging: Fully recharges in a fraction of standard lead-acid charge times

  • Complete Kit: Includes 65Ah LiFePO4 battery, dedicated smart charger, and plug-and-play wiring

  • 51V 65Ah LiFePO4 Battery 
  • 10-Amp Waterproof Charger
  • SOC Meter with External On/Off Button
  • AC Charge Port
  • Extension Cord

Bolt Lithium
51V 105Ah

Maximize run time and unlock massive cutting capacity with the Bolt 51V 105Ah “Thin” LiFePO4 bundle. Built for heavy residential and large property maintenance, this setup delivers unwavering blade torque across multi-acre properties without ever hitting the dreaded low-voltage power crawl.

  • Massive Range: Conservatively rated for 3 to 5 acres of continuous mowing per charge

  • Slim Form Factor: Low-profile “Thin” design engineered to fit under the Ryobi seat and battery bay

  • Clean Single-Wire Cockpit: Integrated system combines the on/off switch and digital SOC (State of Charge) gauge into one streamlined harness

  • Zero Power Sag: Blades spin at full RPM until the battery is empty—tackle tall, thick grass effortlessly

  • Fast Charging: Quickly replenishes between cuts with the matched lithium high-output charger

  • Fitment Note: Drops into the battery compartment with minor trimming/modification of the plastic inner body for a clean seated fit

  • 51V 105Ah ‘Thin’ LiFePO4 Battery 
  • 18-Amp Waterproof Charger
  • SOC Meter with Integrated On/Off Button
  • AC Charge Port
  • Mounting Hardware
  • Extension Cord
Extended Range
Explore Further, Play Longer
No matter your application, we offer lithium battery solutions to get your as much as 100+ miles of range!
Zero Maintenance
Really, None
Unlike Lead-Acid Battery Setups, Lithium Kits Require No Ongoing Maintenance
Safe and Reliable
Safety First
All of our battery products use a high-performance battery management system to provide state-of-the-art safety protections
Longer Lifespans
More Cycles, Longer Use-Life
Get 12+ years of maintenance-free performance with our custom lithium upgrades, backed by dedicated expert support.
Advanced Innovation
Leading Integration & Technology
Leading Lithium Technology, smartphone integration, and built-in features not seen in other brands on the market
Local Dealer
BEST Battery Is Your Local Dealer
Based in Central Florida, We're Able To Perform Local Installations and Product Support Across The Country

Upgrade Your Ryobi Lawnmower to High-Quality Lithium

Converting a Ryobi 48V riding mower to lithium isn’t one-size-fits-all. Yard sizes vary, terrain differs, and thick grass demands steady blade torque—which means your battery setup needs to match your property’s exact demands. Whether you need an agile, drop-in pack like the Qomolander 51V 65Ah for a clean 1 to 2 acres, or an ultra-capacity system like the Bolt Energy 51V 105Ah Thin to conquer 3 to 5 acres all day long, we handle the hard part: pairing you with the perfect setup, dialing in the wiring, and walking you through every step of the installation.

From turnkey in-house installations at our Central Florida shop to complete, pre-configured DIY kits shipped nationwide with direct phone and video tech support, our team ensures your upgrade is seamless, reliable, and completely hassle-free.

Ready to ditch dead lead-acid packs and bring full cutting power back to your mower? Fill out the form below, and our technicians will reach out with a tailored recommendation and exact pricing for your Ryobi.

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Come See Us at Brownwood Square for the Annual Tree Lighting!

Swing on by and check out our booth (November 29th, 2025), we’ll be showing off the new Eco Batteries, LED lighting set-ups, Golf Cart accessories and more…

About Best Battery, your friendly, neighborhood family business, providing golf cart battery solutions.