Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more

For a RYOBI ONE+ 18V lithium-ion battery that will sit unused for more than 30 days, remove it from the tool, leave it at about 30%–50% charge, and store it below 80°F (27°C) in a dry, sheltered place. Recharge it normally every six months. Keep the terminals away from metal, use only a compatible RYOBI charger, and never use or repair a pack that is damaged. These steps follow the US RYOBI ONE+ 18V battery-pack operator’s manual; confirm your pack’s model and manual before applying the figures to another RYOBI battery family.

The correct long-term storage settings

RYOBI’s US ONE+ 18V Lithium-Ion Battery Pack Operator’s Manual applies its long-term instructions after 30 days of storage. It specifies three key settings:

  • Charge: 30%–50% before putting the pack away.
  • Temperature: below 80°F (27°C).
  • Maintenance interval: charge the pack normally every six months while it remains stored.

The manual also says that completely draining a pack before recharging is unnecessary. The figures above are storage instructions, not a promise of a particular number of extra months or years of service; RYOBI does not publish a quantified lifespan increase for following them.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Check that your battery is covered

The cited US manual lists these ONE+ 18V battery families: PBP002, PBP003, PBP004/PBP004SB30, PBP005/PBP006/PBP007, PBP017, PBP1008/PBP1012, and PBP1104/PBP1108/PBP1112. The model number is printed on the battery label. If yours is not in that list, find the manual for that exact pack before using the 30%–50% and below-80°F figures.

#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter | 4Pack Type C Female to A Male Cable Converter for Apple Duo 17 16 15 14 Plus,iWatch Watch 12 11 10,iPad 9 8 Air,Airpods 5 4
  • Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
  • Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
  • Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
  • Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
  • 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.

All of these are removable packs. The storage process is for the battery itself, not for leaving a pack installed in a tool, charger, vehicle, or other equipment.

Step-by-step procedure for storage longer than 30 days

  1. Stop using the tool and inspect the pack. Look for cracks, crushing, swelling, leaking, melted plastic, exposed parts, or other abnormal damage. Set aside any suspect pack; do not charge or use it.
  2. Remove the battery from the tool. Press the release buttons and slide the pack out. Storing the tool with the battery attached can leave the pack connected to an electrical load and makes accidental contact more likely.
  3. Set a partial charge. Using a compatible charger, leave the pack at approximately 30%–50%. A fuel gauge may show a broad band rather than an exact laboratory percentage; the manual’s indicated bands include 25%–50% and 50%–75%, so do not chase a perfectly precise number.
  4. Disconnect the charger. The goal is partial charge for storage, not continuous top-off charging. Once the desired level is reached, remove the pack from the charger.
  5. Choose a dry, sheltered location below 80°F (27°C). Keep the pack away from moisture and from places exposed to direct sun, rain, humidity, fire, or direct heat. A stable indoor location is the practical way to meet those conditions.
  6. Prevent terminal contact. Do not place loose batteries where keys, tools, coins, nails, screws, or other metal can bridge the terminals. Keep the contacts protected and separated from conductive objects.
  7. Record the storage date. Put a reminder on your calendar for six months. At that point, charge the pack normally, then return it to storage if it will remain unused.

How to judge a 30%–50% charge

The manual does not require a precision meter. Use the battery’s built-in fuel gauge as an estimate and aim for the lower-to-middle portion of its displayed range. If the gauge reads in the 25%–50% band, that is close to the stated target. If it shows 50%–75%, use the pack until it falls nearer the target before storage, provided the battery is operating normally.

Do not deliberately run the pack to zero. RYOBI specifically states that draining the battery completely before recharging is not necessary. A normal partial discharge followed by charging to the storage target is sufficient.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Where to store a Ryobi battery

Temperature

For the US ONE+ 18V manual’s long-term-storage instruction, keep the pack below 80°F (27°C). This is a storage threshold, not a general operating-temperature specification. Do not substitute a cold-weather operating statement for the storage rule.

Moisture and weather

Keep the battery away from water, condensation, rain, and damp areas. A garage, shed, or vehicle can become unsuitable if it regularly exceeds the temperature limit or exposes the pack to humidity and weather. Choose the driest, most temperature-stable sheltered location available.

Heat, sunlight, and vehicles

RYOBI Australia’s support guidance adds practical exclusions: avoid direct sunlight, fire, direct heat, extreme temperatures, humidity, and leaving the pack in a vehicle. That regional guidance is consistent with protecting the pack from heat and moisture, but its temperature wording should not be treated as a universal replacement for the US manual.

Australia’s regional temperature guidance

RYOBI Australia advises trying to keep storage and charging locations between 10°C and 37°C, while also specifying storage below 27°C. Because this comes from an Australian support article, identify it as regional guidance. For US readers, the primary long-term storage instruction remains the US manual’s below-80°F (27°C) limit. The 10°C–37°C range should not be presented as a universal charging limit for every country or battery model.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter | USB C Dongle with 90W Max Power Delivery, 3×5Gbps USB A Data Ports, for MacBook, Dell, and More (Charger Not Included)
  • 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
  • 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
  • Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
  • 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
  • What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.

What to do every six months

  1. Move the pack to a dry area at a suitable temperature.
  2. Inspect the housing and terminals for new damage, corrosion, dirt, or moisture.
  3. Place it on a RYOBI ONE+ lithium-ion or dual-chemistry charger.
  4. Let the charger complete its normal cycle; do not force a charge or use an improvised power supply.
  5. Remove the pack from the charger and return it to the same partial-charge, dry storage conditions if it will remain unused.

The six-month instruction does not mean the battery must stay continually topped up. It calls for a normal recharge at that interval, followed by storage.

Charging after storage

Use only a RYOBI ONE+ lithium-ion charger or a RYOBI dual-chemistry charger specified for the pack. If a battery has been in a hot or cold location, the charger may not begin charging immediately. The manual explains that packs outside an acceptable temperature range may need to return to a suitable temperature first; follow the instructions for your charger rather than bypassing its protection.

Set a temperature-affected pack aside in a dry location and allow it to reach a normal indoor temperature naturally. Do not heat it with a flame, radiator, hair dryer, or other direct source, and do not cool it in a freezer or with water.

Short gaps versus winter storage

Short gaps of a few days or weeks

For ordinary breaks shorter than 30 days, remove the battery from the tool and keep it dry and away from heat and metal objects. The manual’s specific 30%–50% storage target and six-month schedule are written for storage longer than 30 days; there is no need to repeatedly discharge a pack just because it will sit unused for a short period.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Winter or seasonal storage

Seasonal storage usually exceeds 30 days, so use the full procedure: partial charge, below-80°F storage, moisture protection, terminal protection, and a six-month calendar reminder. Do not assume an unheated shed or car is acceptable simply because it is out of the rain; winter cold, summer heat, condensation, and direct sunlight can all create unsuitable conditions.

Terminal protection and safe placement

Battery terminals can become hazardous if metal connects them. Store each loose pack so its contacts cannot touch tools, hardware, coins, keys, or another battery’s terminals. Keep packs in a stable position where they cannot be crushed or struck. A special storage case, holder, or analysis device is not identified by RYOBI as necessary; the essential requirements are temperature, dryness, and protection from damaging contact.

Inspection and cleaning before use

Before reinstalling a stored pack, check the housing, release mechanism, label, and contacts. Keep the battery clean and dry. If the terminals need cleaning, wipe them with a dry cloth. Do not use solvents, gasoline, or petroleum-based cleaners, and do not immerse the battery or spray cleaner into its openings.

Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter | 85W Max PD, 2 USB 3.0 & 1 USBC Data Ports, SD/TF Card Reader, for Laptops/Mac and Other Type C Devices (Charger Not Included)
  • Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
  • Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
  • Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
  • Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
  • What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.

When a battery must not be used

Do not use, charge, open, modify, crush, or attempt to repair a damaged pack. RYOBI warns that damaged or modified lithium-ion packs can present fire or explosion risks. A pack that is cracked, swollen, leaking, badly dented, unusually hot, or showing melted components should be isolated from combustible materials and handled through qualified service or the appropriate local safety process.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Do not try to revive a suspect pack by connecting it to another battery, bypassing the charger, or using a third-party charging method. The manual recommends qualified repair rather than consumer repair.

Disposal and recycling

Do not automatically put a lithium-ion battery in ordinary household trash. RYOBI’s manual says local, state, or federal rules may restrict disposal and directs owners to their local waste authority for recycling or disposal options. Keep a retired pack protected from metal contact and damage while arranging its handoff.

Common storage mistakes and fixes

Situation Why it is a problem Safer action
Battery left attached to the tool The pack remains connected and is more exposed to accidental activation or contact. Remove the pack before storing the tool.
Battery stored fully charged for a long period It does not follow the manual’s long-term 30%–50% target. Use the fuel gauge to bring it near the partial-charge range before storage.
Battery run completely flat first Deep discharge is unnecessary before recharging. Recharge normally and set the storage charge without intentionally reaching zero.
Pack kept in a hot car or direct sun Vehicle interiors and sunlight can exceed the storage temperature guidance. Move it to a dry, sheltered location below 80°F (27°C).
Pack stored beside loose hardware Metal can bridge the terminals. Separate the contacts from coins, keys, tools, and fasteners.
Charger refuses to start The pack may be outside the charger’s acceptable temperature range. Allow it to return naturally to a suitable temperature and follow the charger manual.
Cracked, swollen, leaking, or modified pack Damage can create fire or explosion risk. Do not use or repair it; seek qualified service and follow local disposal guidance.

Does this guarantee a longer battery life?

No specific lifespan extension or percentage improvement has been established for these steps. They are RYOBI’s stated storage precautions for the covered ONE+ 18V packs. Following them reduces avoidable exposure to heat, moisture, damaging discharge practices, and terminal shorts, but the eventual service life also depends on the individual pack’s condition and use history.

When replacement makes sense

Storage does not require buying a new accessory. Replace a pack only when the existing one is damaged, cannot be safely charged, or has reached the end of its useful life. RYOBI identifies its 18V ONE+ packs as compatible across 18V ONE+ products, but verify the exact replacement model and compatibility before purchase.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

What the model number tells you

Battery capacity markings such as 4Ah identify the pack’s energy rating, but they do not replace the model-specific manual. A higher-capacity ONE+ pack still needs the same basic handling only when its own instructions say so. Read the complete label, including the PBP model code and any suffix, before assuming that another pack follows the listed 30-day, 30%–50%, and below-80°F rules.

Do not mix charging instructions from different RYOBI families. The ONE+ system is designed around compatible 18V products, yet a charger’s chemistry setting and temperature protections still matter. If a dual-chemistry charger is used, select the setting specified for the battery and charger combination rather than guessing.

Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray | Data transfer & Fast charging for MacBook, iPhone 17/16/15, iPad, Samsung Galaxy, Apple Watch
  • Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
  • Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
  • Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
  • Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
  • Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft

Choosing a storage spot in a real home

A closet, interior utility room, or other dry indoor shelf is generally easier to keep under the stated temperature limit than an attic, greenhouse, unconditioned shed, or parked vehicle. The ideal spot is not necessarily the warmest or coldest room; it is the place with the least daily temperature swing and no routine condensation. Keep the pack where children, pets, and loose hardware cannot reach the terminals.

If the only available area is a garage, check its conditions during the hottest and coldest parts of the season. A garage that stays dry but rises above 80°F for long periods does not meet the US long-term storage instruction. Move the pack indoors for seasonal storage rather than relying on a closed toolbox or vehicle trunk to control temperature.

What’s actually slowing this PC down?

Pick the symptom - the matching free tool is one click away.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Planning seasonal storage

Before putting a pack away for winter, write the storage date and model number on a note or calendar entry. Schedule the six-month recharge for a date when you can inspect the pack and charger in person. If you own several packs, check them one at a time and keep each one separate from metal objects. A simple inventory prevents one battery from being forgotten for years.

At the six-month check, the pack does not need to be fully discharged before charging. Inspect it first, let it reach a suitable temperature naturally, charge it with the approved charger, and then disconnect it. If the pack will be used soon, a normal full charge for operation is appropriate; if it is going back into long-term storage, return it to the manufacturer’s partial-charge target.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Why continuous top-off charging is not the storage plan

The manual calls for a 30%–50% charged condition and a normal charge every six months. That is different from leaving a pack on a charger indefinitely. Once the scheduled charge is complete, remove the pack and store it under the same dry, cool conditions. Continuous connection also makes it harder to notice a damaged pack or an unsuitable charger setup.

A printable storage checklist

  • Confirm the battery model and applicable manual.
  • Remove the pack from the tool.
  • Inspect for cracks, swelling, leaks, crushing, or modification.
  • Set approximately 30%–50% charge for storage beyond 30 days.
  • Store below 80°F (27°C), dry, sheltered, and away from sunlight, rain, heat, fire, and vehicles.
  • Keep terminals away from all metal objects.
  • Mark a six-month reminder for a normal recharge.
  • Use only a RYOBI ONE+ lithium-ion or dual-chemistry charger.
  • Wipe contacts only with a dry cloth; avoid solvents, gasoline, and petroleum cleaners.
  • Use qualified service and local recycling guidance for damaged or retired packs.

Frequently Asked Questions

Should I store a RYOBI ONE+ battery fully charged?

For storage longer than 30 days, the US ONE+ 18V manual specifies 30%–50% charge, not a full charge. Use the fuel gauge as an estimate and disconnect the charger once the pack is in that range.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Do I need to drain a RYOBI battery to zero before storage?

No. RYOBI says it is not necessary to drain the pack completely before recharging. Avoid intentional deep discharge and set a normal partial charge instead.

Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display | 85W Max PD, 1 Powered USB-C 5Gbps & 2 Powered USB-A 3.0 5Gbps Data Ports, for MacBook Pro, MacBook Air, Dell and More (Black)
  • 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
  • Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
  • Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
  • HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
  • What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.

Can I leave a RYOBI battery in my tool over winter?

Remove the pack from the tool before storage. Keep the loose battery in a dry, sheltered place below 80°F (27°C), with its terminals away from metal.

Is a garage safe for storing a RYOBI battery?

Only if it remains dry and stays below the US manual’s 80°F (27°C) long-term storage threshold. An indoor location with steadier temperatures is preferable if the garage becomes hot, damp, or exposed to condensation.

How often should a stored RYOBI battery be charged?

For a pack stored longer than 30 days, charge it normally every six months. This does not mean leaving it continually connected to a charger.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

What charger can I use after storage?

Use a RYOBI ONE+ lithium-ion charger or a RYOBI dual-chemistry charger specified for the pack. Do not bypass charger protections or use an improvised power supply.

Why will my stored battery not start charging?

A hot or cold pack may be outside the charger’s acceptable temperature range. Let it return naturally to a suitable indoor temperature and follow the charger manual; do not heat or cool it with direct sources.

Can I clean battery terminals with gasoline or solvent?

No. RYOBI’s guidance is to wipe contacts with a dry cloth. Avoid solvents, gasoline, petroleum-based cleaners, water, and sprayed cleaner.

What should I do with a swollen or cracked pack?

Do not use, charge, open, or repair it. Keep it away from combustible materials, seek qualified service, and ask your local waste authority about safe recycling or disposal.

Free tools Windows power users keep installed

One-click scans. No signup required.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Does proper storage guarantee a certain extra lifespan?

No. RYOBI gives storage precautions but does not publish a guaranteed number of additional months, years, or a percentage improvement.

The Bottom Line

For long-term storage, remove the RYOBI ONE+ 18V pack from the tool, set it near 30%–50% charge, keep it dry and below 80°F (27°C), protect the terminals from metal, and recharge normally every six months. Inspect before use, follow the exact model manual, and never charge or repair a damaged battery.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.