Electronics spare battery designed to keep alarm and backup systems powered during short outages. Provides peace of mind for homeowners and installers who need a swift, dependable swap after a power cut. Is the Yuasa NP2.1-12 Lead-Acid Battery the right direct replacement for your alarm or UPS?
⚡ At a Glance
- • Power Capacity: 12V, 2.1Ah capacity, suitable for short-duration backup and standby use
- • Best for: Alarm panels, small UPS units and security systems needing compact backup
- • Not ideal for: High-drain or long-duration power requirements, such as deep-cycle applications
Compact valve-regulated lead-acid battery using absorbent glass mat technology. Dimensions 178mm x 34mm x 64mm, weight 0.82 kg, with a 12-month guarantee.
Reliable short-term backup, with Valve-Regulated AGM technology
Absorbent Glass Mat construction holds electrolyte in glass mats and allows sealed, valve-regulated operation for stable discharge. The sealed design reduces gas escape and helps maintain consistent performance during standby use.
Keeps alarms and standby systems powered during short outages, helping to prevent false triggers and avoid emergency call-outs.
Quick swap-in replacement, with listed compatible part numbers and compact dimensions
Compatible part numbers include NP2.1-12, 6FM2, PS-1220, SP020, 4132 and 4233, and the battery measures 178mm x 34mm x 64mm. The physical size and referenced part numbers match many common alarm and UPS bays.
Fits as a direct replacement in many alarm and small UPS units, allowing fast installation and minimal downtime.
Low-hassle ownership, with sealed construction and a 12 month guarantee
Valve-regulated, sealed lead-acid construction reduces maintenance compared with serviceable flooded types, and the manufacturer guarantee covers faults for 12 months. Weight is listed as 0.82 kg, reflecting compact, user-friendly handling.
Provides straightforward installation and short-term assurance for homeowners and installers who prefer low upkeep and a clear warranty period.
✨ The 4 Key Reasons for Yuasa NP2.1-12 Lead-Acid Battery
- Easy Installation - Fits as direct replacement, reduces downtime during power cuts
- Compatible Part Numbers - Matches multiple OEM references and ensures straightforward replacements
- Ready on Arrival - Users report immediate operation, avoiding extra setup steps
- 12-Month Guarantee - Manufacturer cover gives assurance against early faults and failures
📋 Technical Details at a Glance
- Category: Lead-Acid Battery
- Voltage: 12V
- Capacity: 2.1Ah
- Chemistry: Valve-Regulated Lead-Acid, Absorbent Glass Mat (AGM)
- Compatible Part Numbers: NP2.1-12; 6FM2; PS-1220; SP020; 4132; 4233
❓ Frequently Asked Questions
Q: How can I check if the battery will replace my existing unit?
A: Compare the compatible part numbers listed, such as NP2.1-12, 6FM2, PS-1220, SP020, 4132 and 4233, with the part number on the existing battery, users report it fits as a direct replacement.
Q: What maintenance does a valve-regulated AGM battery need?
A: Valve-regulated absorbent glass mat batteries are sealed and require minimal routine maintenance, avoiding regular electrolyte topping.
Q: How long is the warranty period?
A: A 12 month guarantee is provided.
🏆 Our Verdict
Suitable for homeowners, installers and small businesses needing a compact, reliable replacement battery for alarms and small UPS units. The sealed AGM construction, compact dimensions and compatibility with multiple part numbers make it a practical swap-in solution. With a 12 month guarantee and reports of immediate, trouble-free use, it represents sensible short-term value for standby power needs.
