The International Battery delivers 48V in a 160 Ah configuration. Although windpower storage is not mentioned in IB literature, speculation is that the chemistry could be more cost effective than lead-acid cells. The company quoted no prices.
A manufacturer and developer of large-format lithium-ion rechargeable cells and batteries, International Battery Inc, Allentown, Pa., says the three standard modules (nested, slim, and wide) of its ultra-large-format lithium batteries accommodate a range of different jobs. The company says each format delivers up to 4 kilowatt-hours. The modules connect eight large format cells in series. Each cell includes an identifiable Battery Management System (BMS) board. Modules can be further connected in series or parallel to meet a required voltage or energy capacity. The battery can accommodate 30 modules for a maximum of 760 V and can use any of the company’s 40 to 200 Ah/cells.
The cells are said to be monitored and balanced by the BMS and provide information to a controller or through an IB systems’ control board. The firm adds that the BMS can be programmed to determine safety and operational non-conformance.
International Battery offers six cell models in two chemistries.
- Lithium nickel cobalt manganese cells have energy densities of 154 Wh/kg and 278 Wh/liter in a 740 Wh, 200 Ah package, and
- Lithium iron phosphate cells hold 107 Wh/kg and 192 Wh/liter in the 512 Wh, 160 Ah package.
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