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Ritar Batteries AGM RA12-120SD 120AH AGM Deep Cycle Battery.

(1 customer review)

$401.00 $349.00


AGM Batteries: The newer type of sealed nonspillable maintenance free valve regulated battery uses`Absorbed Glass Mats`, or AGM separators between the plates. This is a very fine fiber Boron Silicate glass mat. These type of batteries have all the advantages of gelled batteries, but can take much more abuse. These are also called `starved electrolyte`. Just like gel batteries, AGM batteries will not leak acid if broken.


RA12-120 is a general purpose battery with 10 years design life time in float charging use. As with all Ritar batteries, all RA models are rechargeable, highly efficient, leak proof and maintenance free.


General Features


Stable Quality & High Reliability
RITAR battery is well-known for its stable and reliable performance.RITAR batteries are easy to maintain;thus,permitting a safe and proper operation of the equipment that the battery powers.The battery can withstand overcharge,over discharge,vibration,and shock.It is also capable of extended storage


Sealed Construction
RITAR's unique construction and sealing technique guarantees that no electrolyte leakage can occur from the terminals or case of any RITAR battery. This feature insures safe and efficient operation of RITAR batteries in any position. RITAR batteries are classified as "Non-Spillable" and will meet all requirements of the International Air Transport Association.


Maintenance-Free Operation
During the expected float service life of RITAR batteries, there is no need to check the specific gravity of the electrolyte, or add water. In fact, there is no provision for these maintenance functions.


Low Pressure Venting System
RITAR batteries are equipped with a safe low pressure venting system,which operates from 1 psi to 6 psi.The venting system is designed to release excess gas in the event that the gas pressure rises to a level above the normal rate.Afterwards,the venting system automatically re-seals itself when the gas pressure level returns its normal rate.This feature prevents excessive build up of gas in the batteries. This low pressure venting system, coupled with the extraordinarily high recombination efficiency, make RITAR batteries the safest sealed lead-acid batteries available.


Heavy Duty Grids
The heavy-duty lead calcium-alloy grids in RITAR batteries provide an extra margin of performance and service life in both float and cyclic applications, even in conditions of deep discharge.


Low Self Discharge
Because of the use of Lead Calcium grids alloy, RITAR VRLA battery can be stored for long periods of time without recharge.




  • Alarm Systems, Marine Equipment, Cable Television, Medical Equipment, Communications Equipment, Micro Processor Based Office Machines, Control Equipment, Portable Cine & Video Lights, Computers, Power Tools, Electronic Cash Registers, Solar Powered Systems, Electronic Test Equipment, Telecommunications Systems, Electric powered Bicycle and Wheelchairs, Television & Video Recorders, Emergency Lighting Systems, Toys, Fire & Security Systems, Uninterruptible Power Supplies, Geophysical Equipment, Vending Machines.


Technical Specifications


Cells per unit 6
Voltage per unit 12
Capacity 120Ah @ 10hr rate to 1.75V per cell @25°C
Weight 36 kg
Max discharge current 600A (5 sec)
Internal resistance Approx. 4.5m Ω
Operating temperature range Discharge: -20°C ~ 60°C
Charge: 0°C ~ 50°C
Storage: -20°C ~ 60°C
Normal operating temperature range 25°C ± 5°C
Float charging voltage 13.6 to 13.8V DC/unit average at 25°C
Recommended maximum charging current limit 36 A
Equalization and cycle service 14.4 to 15.0V DC/unit average at 25°C
Self discharge RITAR batteries can be stored for more than 6 months at 25 °C. Please charge batteries before using. For higher temperature, the time interval will be shorter.
Terminal Terminal F5/F12
Constainer material A.B.S (UL94-HB) Flammability resistance of UL94-V1 can be available upon request.
Dimensions 328L x 172W x 222H mm


Charging Procedure 12Volt Series


Application Charge Voltage (V) Max Charge Current
Temperature Set point Allowable range
Cycle Use 25°C 14.7 14.4 ~ 15.0 0.3C
Standby 25°C 13.7 13.6 ~ 13.8 0.3 C


Charge the Batteries at least once every six months, if they are stored at 25°C


Charging Method

Constant Voltage 0.2Cx2h +14.4~15.0V, 24h max. Current 0.3CA
Constant Current -0.2C x 2h + 0.1CA x 12h
Fast -0.2C x 2h + 0.3CA x 4h


Discharge Current VS. Discharge Voltage


Final Discharge Voltage V/cell
Discharge Current (A)


Quality and Safety


  • ETTS Germany, EMC tested
  • ISO9001:2000 Certificate
  • CE G4M20203-0910-E-16
  • MIL

1 review for Ritar Batteries AGM RA12-120SD 120AH AGM Deep Cycle Battery.

  1. dave (verified owner)

    ordered battery and had it delivered to my door free within 4 hours of ordering at the best price i have seen in in newcastle and they are hooked up with Enirgi batteries.this is the best serevice i have ever experienced. with one of the best batteries i have researched. well done to the team.

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