NamPower, Namibia's state-owned power utility, has signed a contract with a Chinese joint venture to build the first utility-scale battery energy storage system (BESS) in the country and the Southern African region.
[pdf] At 4-6 million MGA (≈ $900-$1,300) for 5kWh, they’re easier on the wallet but last only 3-5 years. Pro tip: Factor in replacement costs! Madagascar’s 20% import tax on batteries hits harder than a rainy season downpour.
[pdf] In a battery with a balancing circuit, the circuit simply balances the voltages of the individual cells in the battery with hardware when the battery approaches 100% SOC – the industry standard for lithium iron phosphate is to balance above a cell voltage of 3.6-volts.
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