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Replacement Battery for APC Back UPS ES 350

4.6 out of 5 stars 555 customer reviews
| 24 answered questions

List Price: $16.99
Price: $16.73 & FREE Shipping on orders over $49. Details
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  • Genuine ExpertPower Battery - The Most Trusted And Highest Reviewed Sealed Lead Acid Batteries
  • Battery Type - 12 Volt 3.3 Amp 20 Hour Sealed Lead Acid Battery With F1 Terminals
  • Battery Dimensions - 5.28 in (length) x 2.38 in (width) x 2.64 in (depth); Weight - 2.9 lbs.
  • Compatibility - The EXP1233 Is Compatible With APC Back-UPS ES 350, BE350E, BE350C, BE350R, and BE350U.
  • User Friendly - Items Arrive Fully Charged And Make For A Simple, Plug and Play Installation
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2 new from $16.73
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$16.73 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Replacement Battery for APC Back UPS ES 350
  • +
  • APC Back-UPS ES 550VA Replacement Battery
  • +
  • APC BE350G Back-UPS 350VA 6-outlet Uninterruptible Power Supply (UPS)
Total price: $76.71
Buy the selected items together


Product Information

Technical Details

Brand ExpertPower
Model APC Replacement Battery 35 RBC35
Item Weight 2.6 pounds
Product Dimensions 5.3 x 2.4 x 2.6 inches
Origin China
Item model number EXP1233
Manufacturer Part Number EXP1233
Folding No
CAPA Certified DOT Certified
Safety Rating DOT Certified
Voltage 12 volts

Additional Information

ASIN B006X98A7C
Customer Reviews
4.6 out of 5 stars 555 customer reviews

4.6 out of 5 stars
Best Sellers Rank #704 in Automotive (See top 100)
#5 in Automotive > Replacement Parts > Batteries & Accessories > Batteries
Shipping Weight 2.6 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 14, 2012

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Be Careful! There are TWO vastly different sizes for the battery for the APC Back-UPS ES Model BE350. Note that batteries are not returnable!

I THINK the two batteries are the RBC (longer, 5.2 x 2.6 x 2.4 inches) and the RBC45 (more square, measures 3.54 x 2.76 x 4.21 inches). I use the latter.

Make sure you MEASURE your battery and then order the one that specifies that it is the right size! That will give you the best chance of getting the right battery. (The only exception is if the description is wrong.)

I have had good luck with the APC and Power Sonic brands of batteries. They seem to last a long time.

I recommend once you find one that is right for your application, buy an extra one to have as later replacement!
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Verified Purchase
I noticed a lot of complaints regarding compatibility with the APC ES 350; the following information may clear up some of the confusion. The APC Back-UPS ES 350 is the broad name of this APC UPS, which includes several specific model numbers. The specific model number can be located on the back of the unit (e.g., BE350U); the specific model number can then be used to overtly locate the correct battery using the APC website. This battery is a replacement for the RBC35 (AKA: Replacement Battery Cartridge #35); the APC manufacturer specifications (truncated) for the RBC35 are:
• Net Weight 3.08 lbs. (1.40 kg)
• Maximum Height 2.60 inches (66 mm)
• Maximum Width 2.28 inches (58 mm)
• Maximum Depth 5.28 inches (134 mm)
• Expected Battery Life 3 - 5 years

The APC website states that RBC35 batteries are compatible with the BE350C, BE350R-CN, BE350T, BE350U, BE350U-CN, and BE359R.

REVIEW

Pro’s:
- The battery fits my BE350U APC and the unit charged without incident.
- The battery terminals are labeled.

Cons:
- The terminals on this battery are markedly smaller than the terminals on the APC battery (i.e., roughly 40-45% smaller in width).
- The connectors should stay in place but do not fit snugly and this is less than ideal.
- The plastic guard on the APC anode terminal cannot be used on the replacement battery secondary to the non-OEM terminals.
- Very poor packaging…
- The battery has several surface nicks and scratches that could have been prevented with proper packaging.
- The battery is slightly higher than the APC reference specification, which made for a slightly tighter fit.
Read more ›
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Verified Purchase
My UPS would beep every time I turned it on, even without anything plugged into it. I ordered this battery and placed it in the UPS after I had finally figured out that the battery had to be put in with the terminals DOWN so that the lid would slide shut. (A diagram would be helpful for those of us who didn't remember which way the old battery was placed in there when we took it out several weeks before we decided to try a replacement. I finally found a diagram on the web.) I let the battery charge for several hours before plugging anything in to the UPS and then set it up so that my cable which has internet, TV and phone on it has everything backed up for forty-five minutes to an hour so that when we have short power outages (common here) I won't lose my phone service or my weather updates.

Short story, it works as it should.
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Verified Purchase
I bought this product with the hope that it would ''renew'' my UPS ES350. It worked! I put this battery in and my ups and now it's as good as new! I am happy I bought this battery.
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Verified Purchase
Battery worked well make sure that you request .187" to .250" terminal adapters if your old battery has .250" terminals otherwise the .250" connector on the wire will not fit tight on your replacement battery that has .187" terminals.
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Verified Purchase
I purchased this to replace the original battery in my APC Back-UPS 350. This battery is significantly less expensive than the APC branded one. One of the reviews mentioned a problem with fit. I did find this battery a tighter fit in the Back-UPS 350 than the original but with a little care it does fit. The product is performing without problem protecting my second computer. I would definitely recommend this product.
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Verified Purchase
Great value. Local retail store was twice the price. Twice. Mine was not unmarked as in the photo but looks like similar product with UB1234k printed in white on the side. Fit was perfect.

Make sure to measure your old battery and get one with the same dimensions. Also, keep in mind that the height measurement provided on Amazon includes the height of the connectors, not the body of the battery alone. So there could be a little variation there. Make sure you measure the height of your old battery both ways. The dimension given for height for this battery of 2.64 inches includes the height of the connectors!

Don't be afraid to peal the APC label off your old battery to look for additional information. This was moderately helpful for me. See photos of my old battery with and without the label. The manufacturer name - Long, and the code WP3-12, which 3 amps 12 volts, are helpful shopping and ensuring you are getting the right model.

Very pleased and if it lasts a few years it will prove to be a great buy.

Mine arrived wrapped in bubble wrap inside a padded plastic envelope which had been folded over and taped tight around the battery. It was in excellent condition but I can certainly see how, given the weight of the item, damage could occur if it is dropped or handled roughly during transport. A cardboard box with padding inside would definitely be better protection, but I had no issues with condition on arrival and it was an easy matter to slice off the padding with my pocketknife.

Similarly, I had no issues with the fit of the tabs on the battery with the connectors on my APC unit. The tabs on the new battery were a bit smaller but fit tightly inside the connectors first time with no finagling necessary.
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