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expired Posted by phoinix | Staff • Dec 8, 2022
expired Posted by phoinix | Staff • Dec 8, 2022

APC UPS Sealed Lead Acid Battery Replacement (RBC17)

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$31

$57

45% off
Amazon
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Amazon has APC UPS Sealed Lead Acid Battery Replacement (RBC17) on sale for $30.97. Shipping is free.

Thanks to Community Member phoinix for sharing this deal.

About this Item:
  • Each APC Replacement Battery Cartridges (RBC) is tested and certified for compatibility to restore the performance of your APC UPS to original specifications
  • When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)
  • RBC17 is compatible with many APC UPS models including BE650G1, BE750G, BR700G, BE850M2, BX850M, BE650G, BN600, BN700MC, BN900M, and select others
  • 2 year manufacturer warranty

Editor's Notes

Written by SaltyOne | Staff
  • About this Deal:
    • Rated ~4.6 out of 5 stars from over 8,400 reviews.
    • At the time of this posting, Our research indicates that this is $9.02 lower (22.6% savings) than the next best available prices starting from $39.99. -SaltyOne
  • About this Store:

Original Post

Written by phoinix | Staff
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon has APC UPS Sealed Lead Acid Battery Replacement (RBC17) on sale for $30.97. Shipping is free.

Thanks to Community Member phoinix for sharing this deal.

About this Item:
  • Each APC Replacement Battery Cartridges (RBC) is tested and certified for compatibility to restore the performance of your APC UPS to original specifications
  • When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)
  • RBC17 is compatible with many APC UPS models including BE650G1, BE750G, BR700G, BE850M2, BX850M, BE650G, BN600, BN700MC, BN900M, and select others
  • 2 year manufacturer warranty

Editor's Notes

Written by SaltyOne | Staff
  • About this Deal:
    • Rated ~4.6 out of 5 stars from over 8,400 reviews.
    • At the time of this posting, Our research indicates that this is $9.02 lower (22.6% savings) than the next best available prices starting from $39.99. -SaltyOne
  • About this Store:

Original Post

Written by phoinix | Staff

Community Voting

Deal Score
+44
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Price Intelligence

Model: UPS Battery, BE650R, BE750G, Mfr. No. BE650G, ['12V DC' '110V AC'], Detachable Cable

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Sort: Lowest to Highest | Last Updated 7/6/2025, 10:05 PM
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Top Comments

FatFaluz
2316 Posts
1830 Reputation
Good price for an APC branded, 9Ah battery. They usually go as low as $35-40, but you may not be able to catch a sale when your old battery dies and you need a new one NOW.

That battery has a lower 7.2Ah capacity and smaller F1 terminals so technically not RBC17-compatible despite saying so (one reviewer used pliers to compensate for the loose connection). Mighty Max does have a 9Ah battery with F2 terminals for $23.55, curiously shipped and SOLD by Amazon [amazon.com] which may or may not be a good thing: for SLA battery with a limited storage/shelf life, some may prefer the seller ship fresh stock directly from their own warehouse (as with your 7.2Ah listing).

OP's listing is good when your friend needs a battery, since you don't want to be blamed for getting an off-brand if it doesn't work. For myself, I usually buy at least 2, and I can get (2) 9Ah for around $40 shipped from battery specialists like BatterySharks.com. Those popular CyberPower 1350VA/1500VA UPS towers each take two 7Ah/8Ah/9Ah F2 batteries (model RB1270/RB1280/RB1290) if you reuse the old wiring harness.

Also, I ensure that the UPSes that I buy can take the larger 7-9Ah battery size (as smaller sized batteries aren't much cheaper). Those used to be commonly $40 and under back in the Staples coupon days but for the last few years the cheaper models come with physically smaller 5.5-6Ah batteries.
rcboosted
1291 Posts
132 Reputation
no you cannot. Li-Ion chemistry aren't close enough to SLA, you'll either be too low or too high voltage. Charging profile are also very different. LiFePo on the other hand, can.
DiMAn0684
3005 Posts
441 Reputation
I've been buying 'generic' ones off EBay, and they run for ~5 years, which is in line with the lifespan I got out of the OE batteries that came with my APC UPSes.

121 Comments

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Dec 12, 2022
759 Posts
Joined Feb 2016
Dec 12, 2022
Tisser12
Dec 12, 2022
759 Posts
Quote from drinkingbird :
The charging profile of SLA and lithium is totally different. All Lithium should be charged with a constant voltage, SLA uses a 3 stage "ramp up", and many may even go as high as 15 or 16 volts during part of the stage, which would damage any lithium battery that does not have a voltage limiter on it. The cheaper APC UPSes that these 1234 batteries are typically used in also have pretty wide range of float voltages, I've seen as low as 12.5 and as high as 14.5. Over time, the components wear and the float voltage changes too.

My 20 year old SMART UPS I installed a potentiometer so I can adjust the float voltage to exactly what the battery specifies, however it will still peak as high as 15V during charging, as most SLA chargers do to overcome internal resistance and sulfation. When fully charged it floats at exactly the midpoint of the CSB batteries I have in it.

If you want to risk it, go for it, but just saying it is a drop in replacement is not accurate, there are definite risks involved and the UPS may not be reliable or operate as expected.
I did an admittedly quick bit of research/reading before I grabbed the LifePo batteries I got for my Cyberpower UPS. (1500va 900w) The batteries I ended up getting were the "NERMAK 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery". I believe my SLA batteries were 7 or 8Ah.
Multimetered them after a full charge with a trickle charger meant for lifepos and made sure they were the correct voltage (both were within .001 of each other), hooked them into the caddy my old worn SLA batteries were in and plugged it into my UPS.

The power has gone out a few times since and I've always had just as much if not more time to get everything saved and shut down; and I run my PC, monitor and overhead LED lights off the battery side. At Idle (my PC is about 112-120w at idle since it's a gaming PC and I don't tune for low power useage) and I can get about 40-50 minutes of runtime from it.

Edit: I completely forgot the entire reason I explained that to you was to ask what to look for as far as "not operate as expected" or whatever.
Dec 12, 2022
3,102 Posts
Joined Mar 2005
Dec 12, 2022
drinkingbird
Dec 12, 2022
3,102 Posts
Quote from Tisser12 :
I did an admittedly quick bit of research/reading before I grabbed the LifePo batteries I got for my Cyberpower UPS. (1500va 900w) The batteries I ended up getting were the "NERMAK 2 Pack 12V 10Ah Lithium Ion LiFePO4 Deep Cycle Battery". I believe my SLA batteries were 7 or 8Ah.
Multimetered them after a full charge with a trickle charger meant for lifepos and made sure they were the correct voltage (both were within .001 of each other), hooked them into the caddy my old worn SLA batteries were in and plugged it into my UPS.

The power has gone out a few times since and I've always had just as much if not more time to get everything saved and shut down; and I run my PC, monitor and overhead LED lights off the battery side. At Idle (my PC is about 112-120w at idle since it's a gaming PC and I don't tune for low power useage) and I can get about 40-50 minutes of runtime from it.

Edit: I completely forgot the entire reason I explained that to you was to ask what to look for as far as "not operate as expected" or whatever.
Not operating as expected:
-When UPS is at or near full rated load, power briefly is lost to connected devices and/or batteries catch fire.
-When recharging, batteries get hot/melt/offgas/catch fire/explode
-Battery lifespan (years before they won't charge to a useful capacity) is much shorter than expected.

Charge and discharge profiles and rates are totally different between different battery chemistries. SLA requires an overvoltage while charging and a "ramp up followed by levelling off" profile. Lithium want a constant voltage/constant current and hitting them with 14 or 15 volts which is typical of SLA charging will damage them.
Dec 12, 2022
759 Posts
Joined Feb 2016
Dec 12, 2022
Tisser12
Dec 12, 2022
759 Posts
Quote from drinkingbird :
Not operating as expected:
-When UPS is at or near full rated load, power briefly is lost to connected devices and/or batteries catch fire.
-When recharging, batteries get hot/melt/offgas/catch fire/explode
-Battery lifespan (years before they won't charge to a useful capacity) is much shorter than expected.

Charge and discharge profiles and rates are totally different between different battery chemistries. SLA requires an overvoltage while charging and a "ramp up followed by levelling off" profile. Lithium want a constant voltage/constant current and hitting them with 14 or 15 volts which is typical of SLA charging will damage them.
I appreciate the reply, I'll keep an eye on them. Haven't gotten very warm even after running low after a power outage. I haven't tested the total runtime off wall power yet. I just wanted batteries that should last longer and handle brownouts better since I live in the country. My system only pulls around 500w max and the UPS is rated for 900, so I shouldn't have issues with maxing out and losing power, but again, I will keep my eye on them.
Dec 12, 2022
3,034 Posts
Joined Aug 2004
Dec 12, 2022
zpeedster_m
Dec 12, 2022
3,034 Posts
My CyberPower CP1500AVRLCD UPS batteries not charging to 100% anymore I guess I'll get replacements from Battery Shark for $27.98 + $10 shipping. Seems like the cheapest place I have found unless someone else knows of lower. Where do I dispose of the old ones? I had previously got duracell replacements from BatteryPlus.com locally & gave them original batteries to recycle. BatteriesPlus wants $50 each for replacements Frown Thanks in advance.
Last edited by zpeedster_m December 12, 2022 at 03:19 AM.
Dec 12, 2022
3,102 Posts
Joined Mar 2005
Dec 12, 2022
drinkingbird
Dec 12, 2022
3,102 Posts
Quote from Tisser12 :
I appreciate the reply, I'll keep an eye on them. Haven't gotten very warm even after running low after a power outage. I haven't tested the total runtime off wall power yet. I just wanted batteries that should last longer and handle brownouts better since I live in the country. My system only pulls around 500w max and the UPS is rated for 900, so I shouldn't have issues with maxing out and losing power, but again, I will keep my eye on them.
900VA or 900Watts? Not the same thing. You may be close to maxed out if it is 900VA, depending on the power factor.
Dec 12, 2022
3,102 Posts
Joined Mar 2005
Dec 12, 2022
drinkingbird
Dec 12, 2022
3,102 Posts
Quote from zpeedster_m :
My CyberPower CP1500AVRLCD UPS batteries not charging to 100% anymore I guess I'll get replacements from Battery Shark for $27.98 + $10 shipping. Seems like the cheapest place I have found unless someone else knows of lower. Where do I dispose of the old ones? I had previously got duracell replacements from BatteryPlus.com locally & gave them original batteries to recycle. BatteriesPlus wants $50 each for replacements Frown Thanks in advance.
Home depot or Best Buy both have recycling boxes.

If you keep an eye out you can get smaller batteries like the CSB HR1234 for $30 from time to time.

Battery sharks mostly sells the cheap generics, I'd stick with CSB, Panasonic, etc.
Dec 12, 2022
74 Posts
Joined Nov 2013
Dec 12, 2022
PotatoeZone
Dec 12, 2022
74 Posts
Quote from phoinix :
Amazon [amazon.com] has APC UPS Battery Replacement RBC17 for $30.97. Shipping is free.

Price:
$12.86 lower (29% savings) than the previous price of $43.83

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Customer reviews:
★★★★ / 8,436 global ratings

About this Item:
  • Each APC Replacement Battery Cartridges (RBC) is tested and certified for compatibility to restore the performance of your APC UPS to original specifications
  • When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)
  • RBC17 is compatible with many APC UPS models including BE650G1, BE750G, BR700G, BE850M2, BX850M, BE650G, BN600, BN700MC, BN900M, and select others
  • 2 year manufacturer warranty
https://smile.amazon.com/dp/B0002QLDLC [amazon.com]
"When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)"
I normally take mine to a local auto parts store, will either get cash or credit as they're essentially a motorcycle battery.

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Dec 12, 2022
3,034 Posts
Joined Aug 2004
Dec 12, 2022
zpeedster_m
Dec 12, 2022
3,034 Posts
Can you point me where those CSM batteries are sold?

Thanks, I just want to be responsible & recycle these properly.


Quote from drinkingbird :
Home depot or Best Buy both have recycling boxes.

If you keep an eye out you can get smaller batteries like the CSB HR1234 for $30 from time to time.

Battery sharks mostly sells the cheap generics, I'd stick with CSB, Panasonic, etc.
Quote from PotatoeZone :
"When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)"
I normally take mine to a local auto parts store, will either get cash or credit as they're essentially a motorcycle battery.
Dec 12, 2022
246 Posts
Joined Nov 2004
Dec 12, 2022
donut
Dec 12, 2022
246 Posts
FYI: For those that missed it: Amazon price is back to $30.97.
Dec 12, 2022
759 Posts
Joined Feb 2016
Dec 12, 2022
Tisser12
Dec 12, 2022
759 Posts
Quote from drinkingbird :
900VA or 900Watts? Not the same thing. You may be close to maxed out if it is 900VA, depending on the power factor.
It's a 1500va 900w UPS with AVR. Cyberpower LX1500GU.
Dec 12, 2022
864 Posts
Joined Jul 2007
Dec 12, 2022
phatparents
Dec 12, 2022
864 Posts
Quote from hmt :
My UPS model is BN600G. This one says it's compatible with BN600 (but I dont see BN600G in the list). Does anyone know if they're the same? Cant find specs of either one so I dont know what is the diff between the 2. Cant return either so I want to make sure. TIA
Quote from hmt :
It looks like according to apc website, the replacement for BN600G is APCRBC110. Not sure if this is any diff with the one OP posted.
I have the same model -- BN600G. The APC website does indeed say the replacement battery is APCRBC110... I am wondering though if anyone has tried the RBC17 size battery because... the dimensions listed on the APCRBC110 are a half inch bigger than the battery/battery compartment on my BN600G. Using a ruler, my old battery is the size of the RBC17.... which is why I am wondering if anyone with the BN600G has successfully used the RBC17.
___________________________________________________________________________________

edit...I am guessing that Amazon has the size dimensions wrong for the RBC110.....according to batterysharks.... the RBC17 and RBC110 generic replacements are the same size dimensions.... the only difference is the RBC17 is 9AH and the RBC110 is 9AH. And when I pealed the APC label off my battery, it revealed a battery manufactured by "Kung Long Batteries" and was "WP7-12" and rated 7AH.
___________________________________________________________________________________

edit.... purchased the RBC17 yesterday. It arrived today. It does fits the APC BN600G UPS.
Last edited by phatparents December 13, 2022 at 05:03 PM.
Dec 12, 2022
3,102 Posts
Joined Mar 2005
Dec 12, 2022
drinkingbird
Dec 12, 2022
3,102 Posts
Quote from zpeedster_m :
Can you point me where those CSM batteries are sold?

Thanks, I just want to be responsible & recycle these properly.
The battery in this thread for $30 (live again) is probably a CSB one but no guarantee what is under the APC sticker. They commonly use them.

There are CSBs available on Amazon. Atbatt.com also sells them but haven't used them in a couple years so not sure if their prices are still good.
Dec 13, 2022
39,099 Posts
Joined Nov 2005
Dec 13, 2022
Dr. J
Dec 13, 2022
39,099 Posts
Quote from PotatoeZone :
"When you buy a new genuine APC RBC, you can recycle your old UPS battery via the "RBC Recycling Program" on the APC website. This program includes free return shipping to a recycling center (use the packaging from your new battery to return the old)"
I normally take mine to a local auto parts store, will either get cash or credit as they're essentially a motorcycle battery.
Or at the very least scrap. I have a few people I can call that will come take stuff off my hands that take all sorts of stuff in for scrap value. If you're paying for someone to take away an old battery you're doing it wrong.
Dec 13, 2022
74 Posts
Joined Nov 2013
Dec 13, 2022
PotatoeZone
Dec 13, 2022
74 Posts
Quote from Dr. J :
Or at the very least scrap. I have a few people I can call that will come take stuff off my hands that take all sorts of stuff in for scrap value. If you're paying for someone to take away an old battery you're doing it wrong.
You can easily give it to an auto parts store for free, usually even $5-10 per battery.
My UPS has 5 battery packs with 4 batteries each. I got $5 credit for each battery as a motorcycle battery which went pretty well towards some car parts.

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Dec 14, 2022
864 Posts
Joined Jul 2007
Dec 14, 2022
phatparents
Dec 14, 2022
864 Posts
Quote from hmt :
My UPS model is BN600G. This one says it's compatible with BN600 (but I dont see BN600G in the list). Does anyone know if they're the same? Cant find specs of either one so I dont know what is the diff between the 2. Cant return either so I want to make sure. TIA
I also have the BN600G. I just installed the RBC17. It fits perfectly. The only difference: the recommended battery, the RBC110 is 7AH. The RBC17 is 9AH.

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