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Q-Batteries 12LS-3.4 12V 3.4Ah Deep Cycle VRLA AGM Battery with VdS
Q-Batteries 12LS-3.4 12V 3.4Ah Deep Cycle VRLA AGM Battery with VdS
The Q-Batteries 12LS-3.4 is a premium deep cycle 12V VRLA battery featuring AGM (Absorbent Glass Mat) technology and VdS certification for quality and safety. With a capacity of 3.4Ah, this battery provides reliable, maintenance-free power for standby, cyclic, and backup applications where consistent performance and durability are essential.
Designed for professional and demanding environments, the 12LS-3.4 combines robust construction with stable energy delivery and long service life — making it ideal for UPS systems, security installations, emergency lighting, and other critical systems.
Key Features of the Q-Batteries 12LS-3.4 VRLA AGM Battery
12V Nominal Output: Delivers dependable voltage for a wide range of power applications.
3.4Ah Capacity: Offers strong energy storage for moderate-demand standby and cyclic use.
Deep Cycle AGM Technology: Absorbent Glass Mat design enhances cycle durability, recharge efficiency, and reliable performance.
VdS Certified: Independently tested and approved to recognised safety and quality standards for professional installations.
Sealed, Maintenance-Free Design: No need for topping up fluids — safe, clean, and low-maintenance.
Leak-Proof & Spill-Safe: Fully sealed construction reduces risk of leakage and damage to surrounding equipment.
Low Self-Discharge: Retains stored charge over extended periods of inactivity.
Applications
Uninterruptible Power Supplies (UPS)
Security alarm systems
Emergency and exit lighting
Telecom and networking backup
Access control and intercom systems
Portable medical and monitoring equipment
General standby and cyclic energy storage applications
Technical Specifications
Brand: Q-Batteries
Model: 12LS-3.4
Chemistry: VRLA AGM (Valve Regulated Lead Acid with Absorbent Glass Mat)
Nominal Voltage: 12V
Capacity: 3.4Ah
Battery Type: Deep cycle, sealed, maintenance-free
Certification: VdS certified for safety and quality
Self-Discharge: Low self-discharge rate
Construction: Leak-proof, rugged AGM design
Why Choose the Q-Batteries 12LS-3.4?
The Q-Batteries 12LS-3.4 offers reliable, maintenance-free power with enhanced deep cycle performance and certified safety standards. With stable 12V output, robust AGM construction, and VdS approval, it’s an excellent choice for professional backup systems, security installations, and other applications where dependable and long-lasting energy storage is required.
Brand:
Q-Batteries
Voltage:
12
Capacity AH (C20):
3.4
Technology:
AGM
Length (mm):
134
Width (mm):
67
Height (mm inc. terminals):
67
Warranty:
2 Years
Terminal:
F1 (4,8mm)
Size (L x W x H):
134 x 67 x 67
Information according to manufacturer. Subject to errors and changes.
CUSTOMER REVIEWS
On:23 Jan 2026
Emergency back up for phone/internet
No mobile signal here so we rely on WiFi calling. Needs a back up power supply in the event of a power cut. Good website, fast delivery and the battery works fine. Tried it out with a small inverter and it works perfectly as emergency back up in the event of a power cut.
On:24 Feb 2025
Does the job! thanks. Fast delivery, and great price but agree, thinly packaged.
Does the job! thanks. Fast delivery, and great price but agree, thinly packaged.
On:19 Jun 2024
Replacement for old Gtech
Seems good quality, like for like replacement. Would buy again. Slightly worried when postie handed me a thinly bubble wrapped package!
Customer evaluation for "Q-Batteries 12LS-3.4 12V 3.4Ah Deep Cycle VRLA AGM Battery with VdS"
From:SandraOn:23 Jan 2026
Emergency back up for phone/internet
No mobile signal here so we rely on WiFi calling. Needs a back up power supply in the event of a power cut. Good website, fast delivery and the battery works fine. Tried it out with a small inverter and it works perfectly as emergency back up in the event of a power cut.
From:DuncOn:24 Feb 2025
Does the job! thanks. Fast delivery, and great price but agree, thinly packaged.
Does the job! thanks. Fast delivery, and great price but agree, thinly packaged.
From:PeteOn:19 Jun 2024
Replacement for old Gtech
Seems good quality, like for like replacement. Would buy again. Slightly worried when postie handed me a thinly bubble wrapped package!
This battery has been successfully used by customers across mobility, hobby, light power tool, and standby backup power applications, based on verified post-purchase surveys.
UPS & Backup Power Systems
Backup power supply for internet / phone
Mobility & Accessibility Equipment
Stair climbing wheelchair
Hobbies & Leisure Applications
Radio control model boat
Garden & Light Power Tools
Replacement battery for cordless power pack (small hedge trimmer)
Building & Automation Systems
Dormer window
✅ Why this matters
All applications listed above are based on real customer feedback and successful real-world use.
This demonstrates suitability for standby backup power, mobility equipment, hobby use, and light-duty power applications.
Always confirm voltage, Ah capacity, charge method, terminal type, and physical dimensions before purchase.
