2 Pack UB645 6V 4.5AH for Ritar RT645 Battery Replacement - Rechargeable 6V4.5Ah/20Hr Sealed Lead Acid Battery AGM 6 Volt UB645K Batteries
2 Pack UB645 6V 4.5AH for Ritar RT645 Battery Replacement - Rechargeable 6V4.5Ah/20Hr Sealed Lead Acid Battery AGM 6 Volt UB645K Batteries
2 Pack UB645 6V 4.5AH for Ritar RT645 Battery Replacement - Rechargeable 6V4.5Ah/20Hr Sealed Lead Acid Battery AGM 6 Volt UB645K Batteries
- ππππππππ ππ ππππππππππππ πππππππ π ππ ππππ-ππ ππππ, π ππππππππππ, πππ ππππ - Engineered to power electric ride-on cars, scooters, spotlights, and a variety of other devices, this replacement for RT645 battery offers consistent performance and a compatible fit to revive underused toys and tools.
- ππππ-πππππππ πππππ ππππ π πππ ππππππππ πππππππππππππ - Built with a high-capacity design to support longer runtime on a single charge, reducing downtime and maximizing playtime or utility use for ride-on vehicles, emergency lights, and more. It works seamlessly as a replacement for Ritar RT645 and other compatible devices.
- ππππ ππππππππππππ ππππ πππππππππ π π ππππππππ ππππππ - Featuring a simple plug-and-play installation with a standard F1 terminal size, this battery fits most ride-on toys, emergency lights, and backup systems, offering hassle-free setup. It includes two F1 to F2 adapters for wider compatibility with your devices. This RT645 rechargeable battery ensures smooth integration and performance.
- πππππππππ πππ π ππ ππππππ πππ πππππππ ππππππππππππ - Dependable for various devices, including solar fence chargers, UPS units, lanterns, portable amps, garden hose reels, and moreβdesigned for versatility in both home and outdoor environments. It is also compatible with Garrity battery RT645, offering further flexibility for your power needs.
- πππ π, ππππππππππ πππππππππππ π ππ πππ-π πππππππ ππππππππ πππ πππππ - Ideal for kids' cars, bumper toys, scooters, and RT645 devices. Supports solar setups, deep cycles, and resists shock, vibration, and heat. Mountable in any position and safe for long-term storageβperfect for emergency backup power.
Brand: | Upstart Battery |
---|---|
Manufacturer: | UpStart Battery |
Part Number: | 5GFR18Z |
Isin: | IUDCRQQXDRZB |

IBspot Buyer Protection
Shop confidently on IBspot, receive your item as described or your money back for eligible orders. Learn Program Terms

GUARANTEED SAFE CHECKOUT
-
MONEY BACK GUARANTEE
30 days money back guarantee, no additional fee charged.
-
EXCELLENT SUPPORT
We provide 24/7 online customer support via email.
-
Fast Shipping
One week domestic shipping. Global delivery to the US in 2 weeks.
Power up your gear with a dependable 6V rechargeable sealed lead-acid battery designed for families, hobbyists, and home users needing reliable power for kidsβ ride-on cars, portable lighting, emergency systems, and more.
This maintenance-free lead-acid battery features a universal F1 terminal, ensuring easy installation across a wide range of applicationsβfrom childrenβs bumper cars and scooters to solar fence chargers, camping lanterns, backup lighting, and guitar amplifiers. It's a go-to solution for reviving underperforming electronics and toys, providing a perfect fit in devices such as Pignose Hog amps, handheld spotlights, and emergency exit signs. It also comes with two F1 to F2 adapters for wider compatibility with different terminal sizes.
Engineered for extended performance, versatile mounting, and safety, this battery supports cyclic deep discharge usage, is compatible with RT645 configurations, and can be mounted in any position. It also performs well in warmer environments, resists shock and vibration, and stores safely during off-season periods or infrequent use. This battery serves as a replacement for Ritar RT645, ensuring reliable power for a variety of applications.
Ideal for parents restoring ride-on vehicles, technicians managing emergency lighting systems, or DIYers replacing power sources in legacy equipment, this battery offers a practical, long-lasting upgrade without complicated modifications.
Whether you're powering up a scale, stabilizing a UPS unit, or lighting the way during outages, this RT645 battery delivers steady energy with reliable recharge cycles. A smart, affordable choice for anyone needing performance and compatibility across multiple devices.
Please Note: This is an UpStart Battery brand replacement part, not an OEM product.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
Shipping Method | Estimated Delivery | Cost |
---|---|---|
Free Shipping (US) | 5–10 business days | Free, available on eligible items |
Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $3.00 each additional |
Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
Extended Delivery (Ships from Overseas Warehouse) | 10–15 business days | $14.50 for the first item, $4.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
-
Email: support@ibspot.com
-
Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
-
The item must be unused, in the same condition as received, and in its original packaging.
-
A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
-
Perishable goods (for example, food, flowers, newspapers, magazines)
-
Intimate or sanitary goods
-
Hazardous materials or flammable liquids/gases
-
Gift cards
-
Downloadable software
-
Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
-
Books with obvious signs of use
-
Opened CDs, DVDs, software, or vinyl records
-
Items not in their original condition, damaged, or missing parts not due to our error
-
Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
-
In-store returns are refunded to the original form of payment or issued as a gift card.
-
Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
-
5–7 business days for the return to reach our Returns Center.
-
An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
Oops!
Sorry, it looks like some products are not available in selected quantity.