home alarm battery replacement 12v 4ah

Shimastu home alarm battery replacement 12v 4ah are valve-regulated lead acid batteries with high quality Absorbed Glass Mat(AGM) separators & high purity raw materials.The lead calcium alloy plate with anti-corrosion structure is adopted, and the battery can be used for 6 years with floating charge.


PHYSICAL SPECIFICATION
Nominal Voltage Nominal Capacity (20HR)				12V 4Ah
Dimension		Length Width Container Height Total Height		90±1mm （3.54 inches) 70±1mm (2.76 inches) 101±1mm (3.98 inches) 106±1mm (4.17 inches)
Weight				Approx. 1.3 Kg ±3% (2.87lbs)
Standard Terminal				Fasten Tab No.187E（F1)
						Shimastu NP series AGM VRLA Batteries have been developed as general purpose batteries,they're valve-regulated lead acid batteries with high quality. Absorbed Glass Mat(AGM) separators & high purity raw materials, featured by perfectly good performance and reliable standby service life. Features: 1.Non-spillable 2.Sealed and Maintenance-free Operation 3.High Quality and High Reliability 4.Less gassing,low Self-discharge 5.Low internal resistance 6.Long design life up to 6years in float service at 25℃ (77 0F )
ELECTRICAL SPECIFICATION
Characteristics						Discharge curves @ 25℃ (77 °F)
Capacity			20 hour rate (0.2A) 10 hour rate (0.375A) 5 hour rate (0.68A) 3 hour rate (1.0A) 1 hour rate (2.2A)		4.0Ah 3.8Ah 3.4Ah 3.0Ah 2.2Ah
Capacity affected by temperature			40℃ （104 ⁰F） 25℃ （77 ⁰F） 0℃ （32 ⁰F）		102% 100% 85%
Max Discharge Current			40A(5 Sec)
Short Circuit Current			210A
Internal Resistance			Full charged battery (25℃,77 ⁰F) 40mΩ
Constant Voltage Charge	Cycle		Initial Charging Current less than 1.2A Voltage 14.4~15.0V at 25℃ (77 ⁰F ) Temperature Coefficient –30mV/℃
	Standby		No limit on Initial Charging Current Voltage 13.5~13.8V at 25℃ (77 ⁰F ) Temperature Coefficient –20mV/℃

CONSTANT CURRENT DISCHARGE RATING A@25℃
F.V/TIME	5MIN	10MIN	15MIN	30MIN	1HR	3HR	5HR	10HR	20HR
1.60V	15.26	10.76	7.758	4.457	2.445	1.130	0.756	0.395	0.209
1.65V	14.19	10.16	7.418	4.279	2.361	1.095	0.737	0.390	0.206
1.70V	12.81	9.351	6.947	4.091	2.284	1.064	0.719	0.384	0.203
1.75V	11.49	8.562	6.465	3.910	2.200	1.032	0.700	0.380	0.200
1.80V	10.10	7.721	5.910	3.737	2.115	1.000	0.680	0.375	0.197
CONSTANT POWER DISCHARGE RATING WATT PER CELL@25℃
F.V/TIME	5MIN	10MIN	15MIN	30MIN	1HR	3HR	5HR	10HR	20HR
1.60V	25.29	18.28	13.55	8.096	4.593	2.157	1.455	0.776	0.411
1.65V	23.80	17.59	13.15	7.854	4.462	2.100	1.425	0.767	0.405
1.70V	21.97	16.49	12.50	7.585	4.343	2.050	1.395	0.756	0.401
1.75V	20.14	15.37	11.80	7.322	4.209	1.996	1.363	0.748	0.395
1.80V	18.08	14.11	10.94	7.069	4.070	1.942	1.329	0.740	0.390

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This home alarm battery replacement 12v 4ah is a valve-controlled lead-acid battery, which is made of absorbing glass mat (AGM) separator and high-purity raw materials. The battery is designed to seamlessly replace the battery of the existing alarm system, and is designed with lead-calcium alloy plate with anti-corrosion structure, which has the characteristics of stability and good conductivity. It adopts maintenance-free design, has good battery voltage, capacity and tightness, can ensure uninterrupted power supply, and can keep your safety system running normally all the time. Because of the advanced production technology and strict quality control system, and 100% inspection during production, it has a long service life.

Features

This product has excellent charging and discharging performance, which can be recharged after each use, and reduce the power loss by maintaining a low self-discharge state, so as to ensure that your alarm system keeps running during power failure. Secondly, the battery has a wide ambient temperature range and is compatible with various home alarm systems, making it a worry-free and direct replacement option. In addition, its maintenance-free structural design makes it easy to install, so that you can quickly replace the old battery and restore the function of the alarm system, and reduce the maintenance times in the later use process to save you money.

Application

The battery adopts flexible installation design, including 6 exhaust plugs and AGM separator. Its internal components are made of new special alloy materials to ensure its strength, which makes it widely used as a replacement battery for various types of home alarm systems, including burglar alarms, security cameras, motion detectors, door/window sensors and other security equipment.