Description
J-POWER FM1226 Battery Replacement (12V 2.6Ah, F1)
Need a reliable replacement for the J-POWER FM1226? This compact 12V 2.6Ah sealed lead acid (SLA/AGM) battery is a common fit for standby/backup applications where consistent performance and a maintenance-free design matter.
Verified Fit & Specifications
- Battery Type: Sealed Lead Acid (SLA) / AGM
- Voltage: 12V
- Capacity: 2.6Ah now 2.2AH LP12-2.2 replacement
- Terminal: F1 (0.187″ / 4.8mm spade)
- Dimensions: 70 × 47 × 98 mm (L×W×H)
- Total Height: ~104 mm
Common Applications
This FM1226-size battery is commonly used in:
- Security systems and alarm panels
- Emergency lighting and backup lighting packs
- General backup / standby systems that specify a 12V 2.6Ah SLA form factor
Common Equivalent Part Numbers (verify fit)
FM1226 is often cross-referenced to replace with:
- 6FM2.6
- NT12-2.6
- TR2.6-12B
- TLV1226
- Vision CP1228A (same 70mm × 48mm footprint; similar height class)
- Leoch LP12-2.2 (very similar dimensions and F1 terminals)
- MK ES1.9-12 (often listed as an equivalent in the same device families)
- NCE: LP12-2.2
- TLV1226
- TR2.6-12B
- Anybattery: 2917-2
- OSI: LP12-2.2
Fitment Checklist (Important)
- Match dimensions (70×47×98mm) and total height (~104mm)
- Confirm terminal type: F1 (0.187″)
- Confirm polarity orientation in your device
- Use the same chemistry (SLA/AGM) unless the equipment manual specifies otherwise
If you’d like, send a photo of your old battery label and terminals (or your device model), and we’ll help confirm the correct match.
- Replaces: J-POWER FM1226
- Voltage / Capacity: 12V 2.6Ah
- Terminal: F1 (0.187″ / 4.8mm)
- Size: 70 × 47 × 98 mm; ~104 mm total height
- Type: Sealed Lead Acid (SLA) / AGM, maintenance-free
- Typical uses: security systems, emergency lighting, standby backup
FAQ – J-POWER FM1226 Battery Replacement
Is this the correct replacement for J-POWER FM1226?
Yes, if your battery is labeled FM1226 and your device requires a 12V 2.6Ah SLA/AGM battery with F1 (0.187″) terminals and the same dimensions.
What are the dimensions of an FM1226 battery?
Common published dimensions are 70 × 47 × 98 mm with ~104 mm total height (with terminals).
What devices use this battery?
FM1226-size SLA batteries are commonly used in security/alarm systems and emergency lighting, plus other standby/backup systems that specify this form factor.
What does F1 terminal mean?
F1 is the smaller spade terminal size: 0.187″ (4.8mm).
What are common equivalents to FM1226?
Common cross references include 6FM2.6, NT12-2.6, and TR2.6-12B. Always confirm dimensions and terminals.


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