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🔋 Stay powered, stay unstoppable — never miss a beat with ExpertPower!
The ExpertPower EXP1233 is a 12V, 3.3Ah sealed lead acid battery featuring advanced AGM technology for maintenance-free, leak-proof performance. Designed as a direct replacement for Back-UPS ES 350 models and compatible with various security and power backup systems, it boasts a durable ABS case and vibration resistance for long-term reliability. Compact and easy to install with F1 terminals, this rechargeable battery ensures dependable power delivery and extended service life backed by a 1-year warranty.


| ASIN | B006X98A7C |
| Amperage | 3.3 Amps |
| Antenna Location | Scooters,Ups,Wheelchairs |
| Battery Capacity | 3.3 |
| Battery Cell Type | Lead Acid |
| Battery Weight | 2.84 Pounds |
| Best Sellers Rank | #66,193 in Health & Household ( See Top 100 in Health & Household ) #136 in 12V Batteries |
| Brand | ExpertPower |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,793) |
| External Testing Certification | DOT Certified |
| Item Dimensions | 5.28 x 2.63 x 2.42 inches |
| Item Type Name | lead_acid_battery |
| Item Weight | 2.8 Pounds |
| Manufacturer | ExpertPower |
| Model Name | ExpertPower EXP1233 |
| Model Number | EXP1233 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 814832020033 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 1-Year Limited Warranty |
M**Z
Works Great!!!
Just what I needed!!! Easy to install and works fine!!! 👍🏼
R**R
Perfect fit.
Battery was exactly the same as the original. Installed in 10 seconds. Delivered less than 48 hours after ordering. Doesn't get any better.
D**0
Service life
FWIW I got a full five year service life out of this battery. I can say that I got my money's worth.
B**C
Perfect replacement
It fit, and it seems to work great in my APC power backup unit.
X**O
Great product works as described a little instructions would’ve been great
The product fits my power supply just right and I was able to figure out how to install it is not really that hard. I just think providing guidance at the very least provides reassurance that you are installing it correctly and not breaking the product or where you are installing it. I provided some guidance in my video hope it helps someone else.
F**L
Pretty much DOA
My previous UPS battery was 6 years old and the UPS started chirping it needed a replacement. Ordered this as a replacement since my 6 year old battery was also an ExpertPower and lasted. I noticed the battery looked more scuffed and scraped than my 6 year old one it was replacing. Replaced the battery and powered up the UPS and it started a continuous tone - bad battery. Took the UPS apart again and measured the voltage of the battery and it was 9.9Volts! I let the battery charge overnight (measured 13.5V going in). Measured the voltage after 10 hours of charging and it was still 9.9Volts. Packed it up to be returned.
C**E
economical replacement battery for U.PS. (back-up power supply)
bought this battery to replace the battery in a cyber-power U.P.S. at less than $20 it worked great. interestingly, it was rated the same 3.5 amps as my old battery, but 1/3 larger. either the old battery was over-rated, or this one is under-rated. remember, how LONG a U.P.S. will work is dependent on the size of the battery. a 3.5 amp battery provides a total of 40 watts (for 1 hour). so if the item you are protecting draws that, you will get 1 hr of protection MAXIMUM. 400 watt load, 1/10 of that (6 minutes!). mine protected a router, modem, and wire-less phone. it was probably too-small to really do that job. i have since replaced it with a larger U.P.S. (with a 9 amp battery, providing 100 watts of total power (2 and 1/2 times the power of my original U.P.S.), and re-purposed my old U.P.S. to protect a single Tivo box (1 amp draw=120 watts=20 minutes of back up MAXIMUM. most U.P.S.'s are over-sold, and can't produce nearly the protection they advertise.
F**N
This is an outstanding replacement for original APC UPS battery.
I purchased this battery SIX YEARS AGO for use in my APC 350 UPS backup supply. It still holds a charge but the APC unit is displaying a red flashing "replace battery". This unit powers my internet/wifi router and cameras. I am quite happy with the performance and the time it lasted. I'm ordering another one today. Highly recommended!
W**N
Perfect fit. No issue with the product and the price is right.
D**J
Good quality battery that works well
O**N
no review it works
F**T
Plugged it in and it works perfectly. I am very happy with the purchase. So far, so good. I recommend this battery as a replacement.
M**N
Delivered as expected. Right unit, excellent cost. Can't get any better.
Trustpilot
3 days ago
3 weeks ago