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Skillful_Pickle | Staff 18.5K Views
Sep 3, 2025 4:57 PM

eufy Security Smart Lock C220 w/ Fingerprint Keyless Entry + Handle Set $130 + Free Shipping

$130

$230

43% off
Amazon
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EufyHome via Amazon [amazon.com] has eufy Security Smart Lock C220 w/ Fingerprint Keyless Entry + Handle Set for $149.98- $20 'clipped' coupon = $129.98. Shipping is free.
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EufyHome via Amazon [amazon.com] has eufy Security Smart Lock C220 w/ Fingerprint Keyless Entry + Handle Set for $149.98- $20 'clipped' coupon = $129.98. Shipping is free.

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12 Comments

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Sep 3, 2025 5:56 PM
182 Comments
Joined Jan 2025
JollyMammoth367Sep 3, 2025 5:56 PM
182 Comments
8 AA batteries? Lol no Thank You. Probably will wait for c210 with rechargeable in built battery.

I currently have the 2021 model and it takes 4 AA batteries. Problem is, it's a tight fit and cannot use rechargeable batteries.
Sep 3, 2025 7:14 PM
1.3K Comments
Joined May 2013
S_KlassSep 3, 2025 7:14 PM
1.3K Comments
Quote from JollyMammoth367 View quoted comment :
8 AA batteries? Lol no Thank You. Probably will wait for c210 with rechargeable in built battery. I currently have the 2021 model and it takes 4 AA batteries. Problem is, it's a tight fit and cannot use rechargeable batteries.
Consider rechargeable Lithium Ion AA batteries. They put out 1.5V with no almost drop off vs regular rechargeable batteries that only put out 1.2V that drops off steadily. I just made the switch recently myself.
Sep 3, 2025 7:15 PM
182 Comments
Joined Jan 2025
JollyMammoth367Sep 3, 2025 7:15 PM
182 Comments
Quote from S_Klass View quoted comment :
Quote from JollyMammoth367 :
8 AA batteries? Lol no Thank You. Probably will wait for c210 with rechargeable in built battery. I currently have the 2021 model and it takes 4 AA batteries. Problem is, it's a tight fit and cannot use rechargeable batteries.
Consider rechargeable Lithium Ion AA batteries. They put out 1.5V with no almost drop off vs regular rechargeable batteries that only put out 1.2V that drops off steadily. I just made the switch recently myself.
Yeah, those rechargeable ones are too fat to fit in this compartment
Sep 3, 2025 7:18 PM
1.3K Comments
Joined May 2013
S_KlassSep 3, 2025 7:18 PM
1.3K Comments
Quote from JollyMammoth367 View quoted comment :
Yeah, those rechargeable ones are too fat to fit in this compartment
Really? The Lithium Ion AA I got are virtually identical in size to a regular AA. I can't see why that would be a problem.
Sep 3, 2025 7:20 PM
182 Comments
Joined Jan 2025
JollyMammoth367Sep 3, 2025 7:20 PM
182 Comments
Quote from S_Klass View quoted comment :
Quote from JollyMammoth367 :
Yeah, those rechargeable ones are too fat to fit in this compartment
Really? The Lithium Ion AA I got are virtually identical in size to a regular AA. I can't see why that would be a problem.
Oh, these are NiMH ones. https://a.co/d/jibvzuyWill try to invest in Li-Ion ones.
Sep 3, 2025 9:13 PM
83 Comments
Joined Mar 2016
AssailantSep 3, 2025 9:13 PM
83 Comments
Beware....I have this same model and it drains the batteries really quickly, don't get me wrong it's a feature rich lock just wished that the battery was rechargeable.
Sep 3, 2025 11:57 PM
3 Comments
Joined Jul 2013
RyanR1797Sep 3, 2025 11:57 PM
3 Comments
Quote from S_Klass View quoted comment :
Consider rechargeable Lithium Ion AA batteries. They put out 1.5V with no almost drop off vs regular rechargeable batteries that only put out 1.2V that drops off steadily. I just made the switch recently myself.
Which rechargeable Li-ion batteries do you have?

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Sep 4, 2025 12:03 AM
1.2K Comments
Joined Feb 2024
AronManSep 4, 2025 12:03 AM
1.2K Comments
lithium ion batteries are great...until they die with absolutely ZERO warning. they will maintain that 1.5 voltage until they die, but then good luck getting in. You will NEVER get a low battery warning with them. It's just there nature..
Sep 4, 2025 1:54 PM
389 Comments
Joined Jan 2007
bobn27613Sep 4, 2025 1:54 PM
389 Comments
I use rechargeable lithium batteries without issue.
Sep 4, 2025 7:42 PM
1.3K Comments
Joined May 2013
S_KlassSep 4, 2025 7:42 PM
1.3K Comments
Quote from GhostGrayBolt View quoted comment :
lithium ion batteries are great...until they die with absolutely ZERO warning. they will maintain that 1.5 voltage until they die, but then good luck getting in. You will NEVER get a low battery warning with them. It's just there nature..
That's true. My Yale has a 9 volt input for emergency power, not sure if this Eufy or other locks have the same. Plus my main door is mostly my secondary entry as the garage is used more often.

The reason I went 1.5V Lithium Ion is 1.2V from NiMH rechargeables just don't have the juice to drive the bolt and I didn't want to dump 1-use batteries every 3 months. The Yale absolutely drains batteries if you use the WiFi module!
Sep 5, 2025 5:22 AM
1.3K Comments
Joined May 2013
S_KlassSep 5, 2025 5:22 AM
1.3K Comments
Quote from RyanR1797 View quoted comment :
Quote from S_Klass :
Consider rechargeable Lithium Ion AA batteries. They put out 1.5V with no almost drop off vs regular rechargeable batteries that only put out 1.2V that drops off steadily. I just made the switch recently myself.
Which rechargeable Li-ion batteries do you have?
These but they were cheaper when I bought - https://www.amazon.com/Rechargeab...7JASQNBKPP
Sep 5, 2025 3:59 PM
1.2K Comments
Joined Feb 2024
AronManSep 5, 2025 3:59 PM
1.2K Comments
Quote from bobn27613 View quoted comment :
I use rechargeable lithium batteries without issue.
nope...
1

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