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Yuasa Lead-acid battery with 12V and 17Ah - NP17-12I VDS

Description

Product information

The Yuasa NP17-12I VDS is an industrial, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 V and a capacity of 17 Ah (20h). Thanks to leak-proof AGM technology, high current-carrying capacity and VdS certification, this maintenance-free battery is particularly suitable for safety-critical applications such as fire alarm systems, UPS systems or telecommunications.

Highlights at a glance

  • High capacity: 17 Ah (20h) / 15.7 Ah (10h) at 12 V for continuous power supply.
  • VdS approved: G 197022 for safety-critical applications
  • Highly resilient: Up to 500 A discharge current for 1 second.
  • Maintenance-free: VRLA-AGM technology with > 99% gas recombination.
  • Robust design: Internal thread or bolt connection (M5) for secure mounting.
  • Long-lasting: EUROBAT class “Standard Commercial” with a service life of up to 5 years.

High-performance solution for critical systems

With a capacity of 17 Ah (20-hour discharge to 1.75 V/cell) or 15.7 Ah (10-hour discharge to 1.8 V/cell), the NP17-12I delivers a reliable power supply, even during sudden load peaks of up to 500 A for 1 second. Ideal for use in safety-critical applications where consistent performance and operational reliability are essential.

Robust technology with a long service life

The maintenance-free AGM (Absorbent Glass Mat) technology ensures a gas-tight seal with > 99% gas recombination. The battery requires no electrolyte top-up and features self-closing low-pressure vent valves for safe pressure regulation. Self-discharge is only approx. 3% per month, ideal for long-term standby.

 

The housing is made of durable ABS plastic (UL94:HB), and a flame-retardant version in accordance with UL94:V0 is optionally available. The connections with M5 internal thread or bolts allow for stable and secure mounting with a tightening torque of 2.45 Nm.

Features

 
ModelYuasa NP17-12I VDS
Battery typeVRLA AGM (maintenance-free)
Nominal voltage (V)12
Capacity (Ah)17 (at 20h rate)
Maximum discharge current170A (for 5 seconds)
Charging voltage (float charge)13.65V (±1%)
Charging voltage (cyclic operation)14.7V (±3%)
Operating temperature (°C)-15 ~ 50
Storage temperature (°C)-20 ~ 50
Service lifeUp to 5 years (according to Yuasa design)
Dimensions (L/W/H, mm)181 x 76 x 167
Weight (kg)6.6
ConnectionM5 thread
CertificationsIEC 60896-21+22, VdS, UL


 

FAQs on the Yuasa 12V 17Ah lead-acid battery

What applications is the NP17-12I suitable for?

The NP17‑12I is a maintenance-free 12 V / 17 Ah AGM‑VRLA battery with VdS approval, which is ideal for UPS systems, emergency lighting, alarm and security technology, telecommunications, medical equipment and PV backup systems.

How long does the battery last?

The NP17-12I offers a service life of up to 5 years at 20 °C and is classified as ‘Standard Commercial’ according to EUROBAT.

How safe is operation?

The battery is maintenance-free, has self-closing vent valves for gas pressure regulation and a robust housing. Installation is possible in any position except permanently upside down.

What type of connection is used?

The battery is equipped with M5 internal threads or bolt connections, ideal for a stable and vibration-resistant connection.

How should the NP17‑12I be charged correctly?

  • Float charging voltage (20 °C): 13.65 V (≈ 2.275 V/cell), temperature compensation –3 mV/cell/°C
  • Boost/cycle charge: 14.5 V (≈ 2.42 V/cell), compensation –4 mV/cell/°C
  • Max. charging current in cycle mode: approx. 4.25 A (~0.25 C)

What temperature ranges and storage conditions must be observed?

  • Charging: −15 °C to +50 °C
  • Discharging: −20 °C to +60 °C
  • Storage (fully charged): −20 °C to +60 °C
  • Self-discharge: approx. 3 % per month at 20 °C
Properties
Capacity: 17Ah
Tension: 12V
VDS: G 197022
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