Description
12V 9Ah Lithium Battery — CLI9-12
The Canbat CLI9-12 is a 12V 9Ah lithium battery delivering 115.2Wh of usable LiFePO4 energy in a compact 151 × 65 × 95 mm footprint at just 2.8 lbs (1.27 kg) — a premium lithium replacement for 12V 9Ah sealed lead-acid batteries used in alarm systems, emergency lighting, UPS units, access control equipment, security infrastructure, and standby backup systems. Equipped with standard F2 (T2) blade terminals for direct connector-level compatibility with existing SLA battery harnesses and enclosures, the CLI9-12 installs as a direct drop-in replacement without rewiring, adapters, or hardware modifications.
The 12V 9Ah SLA battery is one of the most widely used standby battery formats in North America — found in alarm panels, UPS cabinets, emergency lighting units, exit signs, gate operators, and access control systems across residential, commercial, and industrial installations. The CLI9-12 replaces this SLA battery with a lithium alternative that delivers twice the usable energy, a fraction of the weight, and 3,000–5,000 cycle life versus the 300–500 cycles typical of sealed lead-acid alternatives — dramatically reducing replacement frequency and total cost of ownership over the service life of the equipment.
It ships across Canada and the USA, carries a 10-year warranty, and is built with UL 1642 certified cells. For Canada and USA orders, there are no import duties or cross-border complications.
F2 Terminal Compatibility — Direct 12V 9Ah SLA Replacement
The CLI9-12 uses standard F2 (T2) blade terminals — the same terminal format found on virtually all 12V 9Ah sealed lead-acid batteries used in alarm panels, UPS cabinets, emergency lighting fixtures, and access control systems. This means the CLI9-12 connects directly to existing battery harnesses and spade connectors without modifications — a genuine drop-in replacement at both the physical enclosure level and the connector level.
A 12V 9Ah SLA battery delivers approximately 4.5Ah of usable energy before reaching its 50% depth-of-discharge limit and typically provides 300–500 cycles before capacity degrades to the point of replacement. The CLI9-12 delivers its full 9Ah at 100% usable depth of discharge on every cycle, with 3,000–5,000 cycle life — a ten-fold or greater improvement in service life in the same physical format and enclosure dimensions. For alarm systems, UPS units, and emergency lighting on scheduled annual service intervals, this translates directly into fewer service visits dedicated to battery replacement.
At 2.8 lbs (1.27 kg), the CLI9-12 weighs significantly less than a comparable 12V 9Ah SLA battery — reducing enclosure load in wall-mounted panels, ceiling-mounted emergency units, and compact equipment housings where battery access and handling space are constrained.
Applications
Alarm Systems & Security Infrastructure
The CLI9-12 is a direct F2-terminal lithium replacement for the 12V 9Ah SLA batteries used in commercial and residential alarm panels, intrusion detection systems, and security control units. F2 connector compatibility ensures no rewiring. The 3,000–5,000 cycle life reduces alarm battery replacement frequency by a factor of ten or more compared to SLA alternatives in standby service — fewer scheduled service calls, lower maintenance cost, and more consistent standby reliability over the installed equipment life.
Emergency Lighting & Exit Sign Backup
Emergency lighting units, exit signs, and egress lighting systems across commercial, industrial, and institutional facilities are among the highest-volume applications for 12V 9Ah SLA batteries. The CLI9-12 provides a lithium upgrade in the same enclosure format — maintaining capacity more reliably during extended standby compared to SLA batteries, which degrade silently and may fail to deliver required illumination duration during an actual emergency event if not replaced on strict schedule.
UPS Systems & Standby Backup Power
For small UPS units protecting communications equipment, network switches, point-of-sale systems, and critical electronics, the CLI9-12 delivers twice the usable backup energy of the SLA battery it replaces — in the same enclosure, with significantly longer service life and without the sulfation degradation that reduces SLA backup capacity during extended standby periods between actual discharge events.
Access Control, Remote Monitoring & Auxiliary Systems
For access control panels, intercom systems, gate operators, trail cameras, remote monitoring stations, and compact field instrumentation where a 12V 9Ah SLA battery is the standard power source, the CLI9-12 delivers a lithium upgrade with no compatibility changes — same voltage, same F2 terminal format, same physical enclosure dimensions, and significantly extended service life in deployments where replacement access is scheduled or logistically constrained.
12V 9Ah Lithium Battery — SLA Replacement for Alarm, Emergency Lighting & UPS Systems
The CLI9-12 is Canbat’s high-volume SLA replacement lithium battery for the 12V 9Ah standby battery format — a premium lithium infrastructure component with standard F2 (T2) terminals engineered for direct replacement of 12V 9Ah sealed lead-acid batteries in alarm systems, emergency lighting, UPS units, access control equipment, and security infrastructure across commercial, industrial, and institutional applications.
For Canadians sourcing a 12V 9Ah lithium battery for alarm battery replacement, emergency light battery replacement, UPS battery replacement, or SLA replacement applications, the CLI9-12 ships with no import duties, is backed by a Canadian technical team, and carries a 10-year warranty. Compatible with all chargers and charge controllers that support a LiFePO4 charging profile.
Runtime & Performance
The CLI9-12 delivers 115.2Wh of usable energy at 12V nominal — all accessible at 100% depth of discharge with stable voltage throughout:
| Application / Load | Average Draw | Estimated Runtime |
|---|---|---|
| Alarm / security system standby | ~0.3–1A | ~9–30 hours |
| Emergency lighting backup | ~2–4A | ~2–4.5 hours |
| UPS backup — light load | ~1–2A | ~4.5–9 hours |
| Remote monitoring / trail cameras | ~0.3–1A | ~9–30 hours |
| Access control / communications | ~0.5–1.5A | ~6–18 hours |
Runtime figures are based on 100% usable depth of discharge. The CLI9-12 maintains stable voltage throughout the discharge cycle — consistent standby performance for alarm systems, emergency lighting, and instrumentation loads from start to finish.
Series & Parallel Expandability
The CLI9-12 supports both series and parallel connections — up to 4 units in either configuration — for systems requiring greater backup capacity or higher system voltage.
| Configuration | Units | System Voltage | Total Capacity |
|---|---|---|---|
| Single unit | 1 | 12V | 9Ah / 115.2Wh |
| Parallel x2 | 2 | 12V | 18Ah / 230.4Wh |
| Parallel x4 (max) | 4 | 12V | 36Ah / 460.8Wh |
| Series x2 | 2 | 24V | 9Ah / 230.4Wh |
| Series x4 (max) | 4 | 48V | 9Ah / 460.8Wh |
The CLI9-12’s modular architecture supports the full range of 12V, 24V, 36V, and 48V system configurations.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | CLI9-12 |
| Chemistry | Lithium Iron Phosphate (LiFePO4) — Cylindrical cells |
| Nominal Voltage | 12V (12.8V nominal) |
| Capacity | 9Ah |
| Energy | 115.2Wh |
| Cycle Life | 3,000–5,000 cycles at 100% DoD |
| Max Continuous Discharge | 9A |
| Peak Discharge | 35A for 3 seconds |
| Max Charge Current | 9A (recommended 4.5A) |
| Charging Temperature | 0°C to 45°C (32°F to 113°F) |
| Discharge Temperature | -20°C to 60°C (-4°F to 140°F) |
| IP Rating | IP54 — splash and dust resistant |
| Weight | 2.8 lbs (1.27 kg) |
| Dimensions (L x W x H) | 151 x 65 x 95 mm / 5.95 x 2.6 x 3.74 in |
| Terminal Type | F2 (T2) blade terminals — direct SLA connector compatibility |
| Mounting | Upright or on side |
| Parallel Expansion | Up to 4 units (36Ah / 12V maximum) |
| Series Expansion | Up to 4 units (24V, 36V, or 48V systems) |
| BMS Protection | Over-charge, over-discharge, short circuit, over-current, temperature extremes, cell balancing |
| Bluetooth Monitoring | Optional add-on (Canbat BT app — free for iOS and Android) |
| Storage | Store at 80–100% SoC in a cool, dry environment |
| Certification | UL 1642 certified cells |
| Warranty | 10 years |
| Shipping | Ships across Canada — no import duties across Canada and the USA |
Battery Management System and Bluetooth Monitoring
The CLI9-12’s integrated BMS manages cell-level protection and balancing automatically — no external battery management required.
- Over-discharge protection — prevents cell damage from excessive depth of discharge
- Over-charge protection — disconnects at the correct voltage ceiling
- Short circuit and over-current protection — responds within milliseconds
- High-temperature cutoff — protects cells during charging in hot environments
- Cell balancing — maintains consistency across cells over thousands of cycles
The optional Bluetooth add-on connects the battery to the free Canbat BT app, available for iOS and Android. Monitor state of charge, voltage, current, and cell temperature in real time — useful for standby backup installations and remote deployments where direct battery access requires scheduled service.
System Compatibility and Installation
The CLI9-12 is compatible with any charger or charge controller that supports a LiFePO4 charging profile. When replacing a sealed lead-acid battery, verify that the charging system’s voltage settings are configured for lithium — most modern UPS units, alarm panel chargers, and trickle chargers include a lithium or adjustable voltage setting. F2 (T2) blade terminals connect directly to existing SLA battery harnesses. The battery installs upright or on its side in the same physical enclosure as a 12V 9Ah SLA battery.
For compatibility questions or system sizing assistance, Canbat’s Canadian technical team is available by phone, email, and live chat.
Canadian Supply, Support and Warranty
Canbat is a Canadian battery manufacturer. The CLI9-12 ships to any address in Canada and the USA. Canadian and US buyers pay no import duties and face no cross-border complications on their orders.
The CLI9-12 is backed by a 10-year warranty and supported by a Canadian technical team available by phone, email, and live chat. Warranty claims can be submitted directly with Canbat — with no overseas support queues and no runaround.




Patrick G. –
Great service and shipping was quick. They were sold out of the 12V 7.5ah so they recommended me 9ah lithium battery which has the same dimensions and more power. Loving it.
Jacky C. –
I bought a lithium 12v-9ah battery which I haven’t used in a long time. I normally use it as an emergency backup supply for my home network. The battery worked without any issues after about 9 months of it being in my basement without a trickle charger on.
Alan S. –
What they say is very true. Quick shipping and the battery is long-lasting and lightweight.
Tommy T. –
The lithium battery is amazing! My helix fish finder lasts more than enough time for me out on my motorboat.
Zed K. –
Small and light battery. Great for security home system.
Martin G. –
A big difference between Canbat lithium battery and my old SLA battery. The 12v 9ah lithium battery reduced charging time and extended the battery life. It may cost a little more than the lead battery, but it is so worth it.
Ying K. –
This small 12v 9ah lithium battery is great for powering a small 12V fan.
Benny T. –
I finally found the right lithium battery for my Garmin fishfinder. Super light and way better than the lead-acid battery.
Kim G. –
I was looking for something affordable. I came across this Canbat battery. They offer fair pricing, free shipping and great quality.
Raj P. –
My mom just bought a 12v 9ah lithium battery for her bike. She seems really happy about her new battery. I am going to order one for my e-scooter too!
Melissa G. –
Great, lightweight lithium battery. Holds a long charge, so I am able to do what I want without having to worry about the battery dying.
Kane Z. –
It took me a while to find the right fit lithium battery for my home alarm system. Canbat provided me with a 12v 9ah battery which solved my problem of having to replace the battery every year or so.
Grace H. –
Amazing battery and it works great for my radio. I got a lithium battery charger since my old lead-acid battery no longer works.
Brian S. –
The lithium 12v 9 ah battery provides such great use for my fish finder. I am planning to use this battery for also camping.
Leena J. –
Super light and portable lithium battery. I use the battery to power up my radio when I am at my work site.
Moe A. –
Canbat provided great customer service when I called in for advice. They suggested that I buy the 12v 9ah lithium battery for my fish finder, so I did and I am so happy with its performance.
Kobe B. –
I just upgraded to a lithium battery. Super lightweight and provides great power.
Pat G. –
Great backup battery for home security alarm and camera!
Rick K. –
Great battery. Lithium sure lasts a lot longer than the lead-acid.
Steivy C. –
Great lithium battery for my ebike I currently have. I’ve been riding it for the whole day. Shipping was quick!
Ben S. –
I recently bought 4 units of 12v 9ah lithium batteries to connect in series for my 48V scooter. The batteries are truly long-lasting as advertised!
Derrick R. –
Replaced my old lead-acid battery with this CLI9-12 lithium and I am very happy. Highly recommended 100%
Rob G. –
Just ordered a 12v9ah LIFEPO4 for my scooter. The lithium battery lasted me more than 5 hours. I am definitely ordering another one for my other scooter.
Tom A. –
The lithium battery is 70% times lighter than the lead-acid battery. Easy to carry and transport around. Powers up great on my solar lights.
Dom T. –
I fished for more than 6 hours with my new 12v 9ah lithium battery and never ran out of power for my fish finder. Thank you for the recommendation Canbat.
Gordon H. –
Long-lasting lithium battery performs better than lead-acid batteries. I am happy that I upgraded to lithium.
Eric C. –
Instead of replacing my old lead-acid batteries…again, I got a lithium battery instead. So far, I have no problems with this 12-9ah battery. Canbat also has 10 year warranty which gives me the confidence that the battery will live for a long time!!
Simmon S. –
Finally, a battery company that answers their phone! Great customer service, they answered my questions and I bought a lithium battery. I will definitely buy another one from Canbat.
Christ S. –
After I bought a 12v 9ah lithium battery, I was able to fish for 2 days with my fish finder without charging. Great and long-lasting battery.
Ashan S. –
Great customer service and quick shipping provided. My lithium battery arrived in 2 days. I am excited to ride my scooter around this Summer!
John S. –
I have bought 8 of the lithium batteries so far. I have some installed in my solar generator and others used for some solar lights. The batteries are outstanding, long-lasting and the connectors are solid.
Jimmy H. –
I finally upgraded to lithium. It cost a bit more, but what they say is true. Long-lasting and super light. Not to forget the free fast shipping!
Ady D. –
I mainly used the 12V lithium battery for my fish finder, but now I have more plans on using the battery for other things. It’s greaaat!
Ken L. –
Quick charging, great customer service, and the lithium battery last a long time between charges.
Yong L. –
Perfect fit lithium 12v 9ah battery for my daughter’s scooter. It lasted her the whole day without needing to be charged.
Ben D. –
I was not sure what battery to buy to power up my solar light devices. The worker recommended me to switch from lead-acid to lithium because it is long last and provides much more power. I took his advice on getting the 12v 9ah lithium battery. The battery was so light and it didn’t need to be charged yet since I used it. Thank you for taking the time to help me with making a decision and placing the order.
Benny K. –
I recently bought 5 of these 12 lithium batteries for my family. I quickly put them on for the weekend and we went to spend the day outside. Had a great time and the batteries are very reliable.
Peter L. –
I have two 12v 9ah lithium batteries to power up my Bluetooth speaker and also my fish finder. I ran the batteries the whole day without any issues. Great battery and it is very easy to handle.
Baily W. –
I’m powering my fish finder with this lithium battery. It holds a long charge and the battery is so light.
Arnold P. –
Canbat deals with their customer with care. I had trouble deciding which battery to go for and they advised me to go for the 12v 9ah lithium battery instead of the 12v 12ah. I saved some extra bucks in my wallet. Great battery for ice fishing.
Omar B. –
I have an extra lithium battery and I use it for my backup power supply and for my radio. Works great!
Daniel B. –
Well made lithium battery! It last several times longer than the lead-acid battery that I was using to power up my speaker and fish finder.
Jacob U. –
I ordered two of these and they are perfect for my Garmin livescope, going to order 2 more for a total of 4 in parallel
Dave L –
I purchased 2 of these a year or so ago. Use them in parallel to double my amp hours from 9 to 18 for my Garmin LiveScope. I just came back from a 9 day trip of heavy daily fishing where the LiveScope was in constant use, at least 6-8 hours a day. Unreal, didn’t charge these once in 9 days and half way through the 9th day they finally lost power. Charged them up again with the Noco Genius 5 and they are shinning again. Couldn’t be happier.
Debating purchasing two more for parallel or one 18ah to run my 2 Garmin Echomap 95uhd head units instead of running them off starter battery. Drained it once, it sucked lol
Harry K. –
I was initially hesitant to buy these 12V 9Ah lithium batteries to replace my 9Ah lead acid batteries in my a UPS, but I took the risk and the batteries are working great. My UPS is better than ever and I’m very happy with the quality.
André L. –
Je suis agréablement surpris par la qualité que propose canbat au niveau de leurs batteries, très satisfait de la qualité de leurs services également.
PASCAL M. –
Honnêtement, je suis plus que satisfait de cet achat. J’ai acheté cette batterie lithium il y a environ un an pour alimenter mon sondeur lorsque je pars pêcher en mer. Je recommande à tout les amateurs de pêche.
Kate D. –
I’ve been changing my alarm HR1234WF2 battery every two years, and it’s getting really annoying. I paid the extra to go with lithium, and I’m really hoping it’ll last longer considering Canbat offers a 10 year warranty. This 9Ah lithium battery was a perfect fit. It’s the exact same size as the HR1234WF2 which the alarm company keeps selling me for $80.
Paul G. –
J’ai acheté cette batterie après avoir suivi les conseils de Canbat pour mon petit lanceur de balles de tennis. Jusqu’ici, je suis très satisfait de la qualité et de la stabilité de cette batterie, surtout en comparaison avec la batterie au plomb-acide que j’avais auparavant. De plus, cette batterie fonctionne même avec mon ancien chargeur !
Ammar P. –
This Canbat 9Ah lithium battery is the same size as the RB1270B. Installed two of them in my CyberPower 750VA and works fabulously.