GS Audio 6 cells LTO single 40Ah/45Ah
Lithium - LTO
/6 cells
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Description
Discover the LTO single cells with 40Ah/45Ah capacity from GS Audio. Whether as a replacement or upgrade, these lithium titanate oxide (LTO) cells have a lot to offer. Measuring 160mm high and 66mm wide, they are optimally dimensioned and weigh just under 1.25 - 1.3kg. Their nominal voltage is 2.3 V and they can be used at an operating temperature of -55°C to 65°C. The optimum discharge and charge is 40-45 A, but they are designed to handle higher currents. Note that the manufacturer's recommendations for charging and discharging will protect the condition of the cells and extend their life. Soon these robust, powerful cells could be part of your system.
Scope of delivery
- 6x LTO round cell 40Ah/45Ah
Data 40Ah cells
- Weight (kg) ~ 1.25
- Height (mm) 160 (202mm with thread)
- Width (mm) 66
- Depth (mm) 66
- Nominal voltage (V) 2.3
- Capacity (Ah) 40
- Max. Discharge current (A) 400
- Optimum discharge current (A) 40
- Max. Charging current (A) 400
- Optimum charging current (A) 40
- Operating temperature -55°C - 65°C
- Final charging voltage: 2.5V - 2.65V (manufacturer's specification 2.8V)
- Final discharge voltage: 1.8V - 2.0V (manufacturer's specification 1.5V)
- Trickle charge: not recommended, can be set to 2.25V/cell for solar charge controllers.
- The difference between our specification and the manufacturer's specification results in a
- Kapazitätsdifferenz von <0,5Ah, wollen Sie die Zellen schonen, nutzen Sie bitte unsere Angaben und nicht die Maximalwerte.
Data 45Ah cells
- Weight (kg) ~ 1.3
- Height (mm) 160 (202mm with thread)
- Width (mm) 66
- Depth (mm) 66
- Nominal voltage (V) 2.3
- Capacity (Ah) 45
- Maximum discharge current (A) 450
- Optimum discharge current (A) 45
- Max. Charging current (A) 450
- Optimum charging current (A) 45
- Operating temperature -55°C - 65°C
- Final charging voltage: 2.5V - 2.65V (manufacturer's specification 2.8V)
- Final discharge voltage: 1.8V - 2.0V (manufacturer's specification 1.5V)
- Trickle charge: not recommended, can be set to 2.25V/cell for solar charge controllers.
- The difference between our specification and the manufacturer's specification results in a
- Kapazitätsdifferenz von <0,5Ah, wollen Sie die Zellen schonen, nutzen Sie bitte unsere Angaben und nicht die Maximalwerte.
Notes on LTO cells
- The optimum operating range of YINLONG LTO cells is between 2.0V and 2.5V.
- When charging the cells above 2.5V, the voltage rises more strongly, above 2.6V very strongly. The situation is similar when discharging below 2.0V!
- It is therefore also very important to use a good active balancer for LTO cells that are connected in series.
- When working with very high currents (charging or discharging), it may be necessary to further restrict the operating range in order to avoid large voltage increases or voltage drops.
Difference between LTO - LiFePO4 lithium batteries
Lithium titanate cells (LTO)
- + extremely long service life
- + 10x longer cycle life than LiFePO4 cells
- + extremely safe
- + Very high charging and discharging currents possible (5C-10C)
- + weniger temperaturempfindlich, kann auch bei <0°C geladen werden
- + now affordable, cells have become cheaper
- + Very long service life (>25 years)
- - LTO is more expensive than LiFePO4
- - higher weight or less capacity
- - lower cell voltage (2.3V), therefore more cells required for the same battery voltage
Lithium iron phosphate cells (LiFePO4)
- + favorable price
- + Large variety of capacities and sizes
- + higher capacity
- + higher cell voltage (3.2V), fewer cells required
- - shorter service life
- - not quite as safe as LTO
- - max. charging and discharging currents are significantly lower (2C-3C)
Connection of the active balancer BMS
Überarbeitete Kontaktflächen für geringsten Übergangswiderstand!
B-Grade Zellen können optische Mängel aufweisen.
Alle Zellen sind getestet und haben mindestens 40Ah und einen AC-Ri von <0,5 mOhm - garantiert!
Possible applications
- Solar storage tank (extremely durable and safe)
- Car Hi-Fi (capacitors superfluous)
- Camper and caravan (temperature insensitive)
- Starter battery (very high currents possible)
- Boat battery
- UPS
- 12V system - 6 cells
- 24V system - 11 cells
- 48V system - 22 cells
