
PHYSICAL SPECIFICATION
Nominal Voltage Nominal Capacity (10HR)				12V 250Ah
Dimension		Length Width Container Height Total Height		520±2mm (20.47 inches） 269±2mm (10.59 inches) 220±2mm (8.66inches) 225±2mm (8.86 inches)
Weight				Approx. 73Kg ±3% (160.94lbs)
Standard Terminal				Bolt-and-nut terminal Bolt Type: M8
						Shimastu Gel series Gel Batteries are manufactured with special separators and silica gel immobilizing the electrolyte inside the battery,it is perfect for frequent cyclic deep discharge or standby applications under harsh environments, and has a long service life. Features: 1.Special polar plate design,which ensures a designed floating charge life of 15 years at 25℃ (77 ⁰F ) 2.Equalized current distribution, the active material is not easy to fall off 3.High gas recombination efficiency 4.Good deep discharge resilience performance 5.No delamination phenomena in the electrolyte 6.Manufactured with high-porosity
ELECTRICAL SPECIFICATION
Characteristics						Discharge curves @ 25℃ (77 °F)
Capacity			10 hour rate (25A) 5 hour rate (42.5A) 3 hour rate (62.5A) 1 hour rate (137.5A)		250Ah 213Ah 188Ah 138Ah
Capacity affected by temperature			40℃ （104 ⁰F） 25℃ （77 ⁰F） 0℃ （32 ⁰F）		102% 100% 85%
Max Discharge Current			2500A(5 Sec)
Short Circuit Current			4000A
Internal Resistance			Full charged battery (25℃,77 ⁰F) 4mΩ
Constant Voltage Charge	Cycle		Initial Charging Current less than 62.5A Voltage 14.1~14.4V 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	15MIN	30MIN	1HR	3HR	4HR	5HR	8HR	10HR		20HR
1.60V	440.2	270.9	155.0	70.8	55.6	47.3	31.8	26.4		13.8
1.65V	420.8	260.0	149.1	68.6	54.1	46.1	31.4	26.1		13.6
1.70V	394.1	248.7	143.5	66.7	52.7	44.8	30.9	25.7		13.4
1.75V	367.0	237.6	137.5	64.6	51.3	43.7	30.5	25.3		13.3
1.80V	338.8	227.2	132.6	62.5	49.8	42.5	30.0	25.0		13.1
CONSTANT POWER DISCHARGE RATING WATT PER CELL@25℃
F.V/TIME	15MIN	30MIN	1HR	3HR	4HR	5HR	8HR		10HR		20HR
1.60V	769.5	492.1	291.5	135.0	106.8	91.4	62.5		52.2		27.1
1.65V	746.6	477.2	282.0	131.5	104.3	89.0	61.4		51.4		26.8
1.70V	709.6	461.1	272.9	128.3	101.8	87.0	60.6		50.7		26.4
1.75V	670.5	445.0	263.1	125.2	99.6	85.1	59.9		50.0		26.3
1.80V	627.7	429.7	254.9	121.3	97.1	83.1	59.1		49.2		26.0

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This 12V 250Ah GEL Battery is made of special diaphragm and silica gel fixed electrolyte inside the battery, and a unique corrosion-resistant grid alloy is installed inside, which can maintain stable performance. It adopts tight assembly technology to ensure the orderly arrangement of internal parts and reduce the possibility of internal material leakage. At the same time, it has many functions, including deep cycle discharge function and splash-proof design, which can bring smooth and efficient power experience and is very suitable for deep discharge or standby application in harsh environment.

Features:

The 12V 250Ah GEL Battery is made of high-purity raw materials, which can maximize energy storage and meet all your power needs. Through innovative gas composite technology, it can effectively improve the reaction speed, eliminate the risk of acid mist precipitation, and promote clean and safe energy storage solutions. At the same time, the battery is equipped with a reliable sealing mechanism to ensure safe and leak-free use characteristics, to ensure a clean and safe operating environment, and to supply power to your equipment safely and stably.

Application:

1. Communication: car phone, mobile phone system, portable radio transmitter, portable terminal.
2. Power: electric tools, toys, portable vacuum cleaners, unmanned robots.
3. Signal system, emergency lighting system, security system.

4. EPS and UPS systems.
5. Power supply for other portable equipment or portable tools.