Shoto GFM 2V 400Ah Cell


Shoto Green Energy Storage Solutions

Shoto provides efficient, stable, and reliable backup power supplies for base stations and data room of global telecommunications carriers, IDC machine room and more than 300 million base stations all over the world.

Out of stock


The “Shoto” brand GFMJ series VRLA batteries are products of the latest technologies. The products are in line with the YD/T799-2002 standard of the Ministry of Information Industry of China, the DIN 40742 and the IEC 60896-21/22

Valve-regulated Lead Acid Batteries GFMJ series are widely utilized as standby power supply for communication and signal systems such as telecommunication, mobile station,Solar power, UPS,  railway and vessels etc., for the energy storage system of solar and wind power generation, and for the backup power supply of UPS and emergency illumination. Their designed life for standby usage is 15 years.

Nominal Voltage2 V
Capacity400 Ah @ 10hr to 1.80 V @ 25˚C(77˚F)
Weight23.0 kg (50.71 lbs)
DimensionsLength: 158 mm (6.22 in) Width: 181mm (7.13 in)
Height: 346 mm (13.62 in)
Total height: 365 mm (14.37 in)
Internal Resistance (full charged)0.51 mΩ
Short- circuit Current4380 A
Self Discharge @25˚C(77˚F)Less than 3% after 30 days storage
Operating Temperature RangeDischarge: -40˚C ~ 50˚C(-40˚F ~ 122˚F) Charge:
-20˚C ~ 45˚C(-4˚F ~ 113˚F)
Storage: -20˚C ~ 40˚C(-4˚F ~ 104˚F)
Recommended Operating Temperature15˚C ~ 25˚C (59˚F ~ 77˚F)
Recommended Charging Current60 A
Charging Voltage @25˚C(77˚F)Float: 2.23 V/cell
Equalize: 2.35 V/cell
Container MaterialsABS/ABS V0 (Optional)
Capacity Affected by Temperature (C10)106% @ 40˚C(104˚F)
80% @ 0˚C(32˚F)
50% @ -20˚C(-4˚F)
Design life @25°C(77˚F)15 years