Casil CA1233 12v 3ah 3.3ah 3.4ah Sealed Lead Acid (SLA) Battery for Alarm System
$18.99
each
Was $25.11
In stock
Casil CA1233 12v 3ah 3.3ah 3.4ah Sealed Lead Acid Battery
12V
3.3Ah
F1
SLA / AGM
$18.99
each
Was $25.11
Save 24%
Free shipping
- In stock · Order by 3 PM ET, ships same business day from our US warehouse
- Free shipping on this battery · Shipping details
- Fresh stock, date-coded on the label — you know exactly how old it is
- Listed as a replacement for 12V 3Ah, 3.3Ah and 3.4Ah batteries
- 1-year pro-rated warrantyTerms on every listing
- Free shippingOn most batteries
- Ships from US warehousePacked and shipped from US stock
- Fresh, date-coded stockEvery battery date-stamped
- Talk to a person973-500-6828
- Secure checkoutEncrypted, PCI-compliant payments
- Voltage
- 12V
- Capacity
- 3.3Ah
- Terminal
- F1 · 0.187″
- Size (in)
- 5.25 × 2.63 × 2.36
- Weight
- 2 lb
- Type
- SLA / AGM
Does this fit my model?
Overview
The 12V 3.3Ah battery for emergency lights and exit signs
Casil CA1233 12v 3ah 3.3ah 3.4ah Sealed Lead Acid Battery is a 12V 3Ah rechargeable sealed lead acid (SLA/AGM) battery built for dependable, maintenance-free replacement power. Its sealed AGM/VRLA design is suited for standby and cyclic applications.
Applications: UPS backup, alarm systems, emergency lighting, mobility and backup power.
Fit Details: F1 terminal, dimensions 5.25 inches x 2.63 inches x 2.44 inches. Always compare your original battery specifications before purchase.
Popular Search Terms: 12V 3Ah battery, 12 volt 3 amp hour battery, rechargeable SLA battery, sealed lead acid battery, AGM battery, battery replacement, F1 terminal.
- Maintenance-free AGM (VRLA)Sealed and spill-proof — no watering, no acid to top up.
- F1 quick-connect terminals0.187 in (4.75 mm) tabs — the size most alarm panels use.
- Standard case size5.25 × 2.63 × 2.36 in.
- Fresh, date-coded stockMonth and year printed on the label for your service records.
- 1-year pro-rated warrantyBacked by Casil USA, with phone support at 973-500-6828.
Specifications
Full specifications
| Model | Casil CA1233 |
|---|---|
| Brand | Casil |
| SKU | CA1233-1X |
| Nominal voltage | 12V |
| Rated capacity | 3.3Ah |
| Chemistry | Sealed lead-acid, AGM (VRLA) |
| Terminal | F1 — 0.187 in (4.75 mm) quick-connect |
| Length × width × height | 5.25 × 2.63 × 2.36 in (133 × 67 × 60 mm) |
| Height to terminal top | 2.44 in (62 mm) |
| Weight | 2 lb (0.91 kg) |
| Maintenance | Maintenance-free, spill-proof |
| Used in | Emergency Lighting & Exit Signs, UPS & Backup Power, Alarm & Security |
| Warranty | 1-year pro-rated |
| Notes | Listed as a replacement for 12V 3Ah, 3.3Ah and 3.4Ah batteries |
| Condition | New |
| Shipping | Free shipping · ships from our US warehouse |
Dimensions
Dimension drawing
Drawn to scale from the listed dimensions. Terminal positions are shown for reference — check the polarity marks on your old battery.
Terminal: F1 vs F2
Check the width of the tab on your old battery. F1 fits most small alarm panels; many UPS units use F2.
Compatibility
Fits these devices
Shipping & warranty
Shipping, returns & warranty
Shipping
Free shipping on this battery. Order by 3 PM ET and it ships the same business day from our US warehouse.
Shipping detailsReturns
Ordered the wrong size? Check the return window and how to send a battery back before you ship it.
Returns policyWarranty
1-year pro-rated warranty. Keep your order number — the date code on the label shows when the battery was made.
Warranty termsBuying 25 or more?
Get a written quote with business pricing for installers, facilities and resellers.
Request a quoteFAQ
Before you swap it
Not sure it matches your old battery? Our team checks part numbers every day.
Will this fit my APC Back-UPS ES350?
The CA1233 is listed for APC Back-UPS ES350. Match the voltage (12V), capacity (3.3Ah), size (5.25 × 2.63 × 2.36 in) and terminal (F1) to your old battery, or use the fit check at the top of this page.
What is the difference between F1 and F2 terminals?
F1 tabs are 0.187 in (4.75 mm) wide; F2 tabs are 0.250 in (6.35 mm). The connectors on your device's leads are sized for one or the other, so match the tab width on your old battery. This battery has F1 terminals.
How often should it be replaced?
Sealed lead-acid batteries in standby equipment such as alarm panels, fire panels and UPS units are typically replaced every 3–5 years, or sooner if the system reports a low battery or fails its load test. The date code on the label shows when the battery was made.
Can I use a battery with more amp-hours?
Usually, if the voltage, case size and terminals match: more amp-hours means longer runtime. Check that it fits the compartment and that your charger can recharge it in the time your system requires.
How does it ship?
Shipping is free on this battery. Orders placed by 3 PM ET ship the same business day from our US warehouse. See shipping details.
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Casil CA1233 12v 3ah 3.3ah 3.4ah Sealed Lead Acid Battery
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