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Zhongneng Chengyu Power Co.,Ltd

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Deep Cycle GEL Batteries

Deep Cycle GEL Batteries

DG2-300-Y Product Features: Long design life(25℃): 12 years for 6V/12V 18 years for 2V Low self-discharge rate: ≤2.5%/Month High sealed reaction efficiency ≥98% Wide operation temperature range: -40℃~ +60℃ Grid: patent primary and secondary grid structure design; Positive plate: Pasted flat...

Product Details

Deep Cycle GEL Batteries are manufactured with special sheet separator and colloidal or foamed silica.The GEL immobilize the electrolyte inside the battery,which improves battery cycle life and performance at cold ambient temperatures.The deep discharge cycles is increased by 50% as compared with the AGM battery.

Deep Cycle GEL Batteries

Deep Cycle GEL Batteries for Communications & Power Plant

By combining the service life reliability of a flooded battery with the performance energy density of a valve-regulated battery, we created a true long service life VRLA battery the gel range. This range offers 8-15 years design life with very good cycling capability, and is highly suited to telecom, UPS, renewable energy system, power stations and similar applications.


-Excellent safety performance.
-Good discharging performance.
-Good stock-proof performance.
-Good impact-proof performance.
-Good resistance to over discharge.
-Good resistance to overcharge.
-Good resistance to high current.
-High-quality gel prepared with fumed silica ensures the electrolyte Liquid is uniformly distributed without stratification
-The electrolyte presents a gel state, without flowing or leakage, or recuction, Ensuring homogeneous reaction with the plate; Safe and maintenance Free operation
-Large amounts of liquid; High heat capacity; Good heat sinking capability; Wide operation temperature
-Using lead calcium tin alloy, very low self discharge rate. Long service life

Specification of Deep Cycle GEL Batteries

Cells Per Unit: 1
Voltage Per Unit: 2
Capacity: 300Ah@10hr-rate to 1.80V per cell @25℃
Dimension(LxWxH): 171x 150 x 366mm
Weight: Approx. 19.0Kg(Tolerance ± 3%)
Max. Discharge Current: 1500 A (5 sec)
Internal Resistance: Approx. 1.1mΩ
Operating Temperature Range:
Discharge: -40℃ ~60℃;
Charge: -20℃~50℃;
Storage: -40℃~60℃
Normal Operating Temperature Range: 25℃ ± 5℃
Float charging Voltage: 2.27 to 2.3 VDC/unit Average at 25℃
Recommended Maximum Charging Current: 60A
Equalization and Cycle Service: 2.37 to 2.4 VDC/unit Average at 25℃
Self Discharge: CHENGYU Valve Regulated Lead Acid (VRLA) batteries can be stored for more than 6 months at 25℃. Self-discharge ratio less than 3% per month at 25℃. Please charge batteries before using.
Terminal: Terminal F10
Container Material: A.B.S. UL94-HB, UL94-V0 Optional.

Datasheet of Deep Cycle GEL Batteries



Wind Energy.jpg

Light Supply System.jpg

Wind Energy

Light Supplier

Solar System.jpg

UPS System.jpg

Solar System

UPS System


Operation and maintenance manual

(1) Battery Installation
Batteries should be installed possibly in a clean, cool, ventilated and dry place.
(2) The ambient temperature
we suggest the working ambient temperature is around 25 º C.
(3) The charge and discharge current
 Discharge current general requirements in 0.05 ~ 3C range.
(4) Charging voltage
After the battery is full converted to float charging, the float voltage is around 13.0V.
(5) The depth of discharge
Depth of discharge of the battery life is also a important factor for lifetime of battery, the deeper the battery discharge, the fewer the number of cycles, so battery should avoided from deep discharge.
(6) Regular maintenance
Battery should be regular checked in every period time after used, such as check its outlook, measuring the average voltage of each battery, etc.

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