
PHYSICAL SPECIFICATION
Nominal Voltage Nominal Capacity (20HR)				2V 4Ah
Dimension		Length Width Container Height Total Height		46±1mm (1.81 inches) 25±1mm (0.98 inches) 100±1mm (3.94 inches) 105±1mm (4.13 inches)
Weight				Approx. 0.27 Kg ±3% ( 0.60lbs)
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) 5mΩ
Constant Voltage Charge	Cycle		Initial Charging Current less than 1.2A Voltage 2.4~2.5V at 25℃ (77 ⁰F ) Temperature Coefficient –18mV/℃
	Standby		No limit on Initial Charging Current Voltage 2.25~2.3V at 25℃ (77 ⁰F ) Temperature Coefficient –18mV/℃

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

Why choose us?

Our factory specializes in manufacturing high-quality Hot Sale Batteries and providing the best possible customer service at affordable prices.
In the long run, our success is not only the growth of our own performance, but also the common growth of employees and the enterprise.
Our factory is dedicated to producing high-quality Hot Sale Batteries that meet the needs of our customers worldwide.
'Competition and cooperation to win the market, integration of creative power, integrity to create a brand, service to weave the future' interact, complement each other, have internal inevitable connection, is a more systematic concept system.
We are committed to providing affordable, high-quality Hot Sale Batteries to meet the needs of our customers worldwide.
We are specialized in the development, production and sales of Electric Fencing Battery. After years of hard work, pioneering and enterprising, we have continued to grow and develop in the fierce market competition and enjoy a good reputation at home and abroad.
As a leading supplier and manufacturer of Hot Sale Batteries, our focus is on quality, reliability, and customer satisfaction.
Our company is mainly engaged in the production and manufacture of Electric Fencing Battery, which has won the recognition of consumers from all walks of life at home and abroad and has become a professional manufacturer with independent research and development, production and sales. Adhering to the spirit of "excellent quality and excellent service", we continue to provide customers with first-class products and comprehensive services.
Our Chinese factory is dedicated to producing high-quality Hot Sale Batteries and providing professional services to meet the needs of our customers.
With the rapid growth of our business, the requirements of our customers for our Electric Fencing Battery have also increased, so the spirit of being responsible for our customers has been essential.

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The capacity of Electric Fencing Battery refers to the amount of energy that can be stored and released in a given period of time. Higher capacity batteries are able to provide a stronger, more consistent charge for fence wire, which is critical to keeping livestock under control and deterring predators. When selecting batteries, it is important to consider the size of the fencing system and the number of livestock it will house. Voltage is a measure of a battery's potential and is a key factor in its effectiveness. In general, higher voltage batteries provide a stronger, more stable charge to the fence wire, which is critical to keeping livestock fenced in and deterring predators. However, higher voltage batteries also tend to be more expensive and may require additional safety precautions when using them. The durability of our products is key to ensuring they can withstand the rigors of outdoor use and frequent recharging. Factors such as temperature, humidity, and exposure to the elements can affect battery life, so it's important to choose batteries that are specifically designed for your electric fence system. Also, longer-lasting batteries may be more expensive upfront, but end up being more cost-effective over time. Finally, our charging time refers to how long it takes to fully charge after discharging. Batteries with faster charging times are more efficient and cost-effective because they maintain a constant charge to the fence wire and prevent energy loss.