The Enersys Battery Electrolyte SDS 853022 contains potassium hydroxide (KOH) dissolved in deionized water, forming an alkaline electrolyte solution. This formulation is optimized for nickel-cadmium (Ni-Cd) or nickel-metal hydride (Ni-MH) industrial batteries, with additives to enhance conductivity and minimize corrosion. Typical concentration ranges from 26% to 30% KOH by weight. Pro Tip: Always handle with pH-resistant gloves—alkaline electrolytes can cause severe skin irritation.
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What makes KOH-based electrolytes critical for industrial batteries?
KOH provides high ionic conductivity and temperature resilience (-40°C to 60°C operational range). Unlike acidic electrolytes in lead-acid batteries, alkaline solutions enable faster charge acceptance and 2× longer cycle life in heavy-duty applications like forklifts. Example: A 30% KOH electrolyte increases Ni-Cd battery efficiency by 18% compared to weaker concentrations. Warning: Avoid mixing with organic acids—neutralization reactions generate dangerous heat.
How does concentration affect electrolyte performance?
Electrolyte density directly impacts internal resistance and freezing point. At 1.28 g/cm³ (26% KOH), batteries perform optimally in moderate climates. Arctic-grade versions use 1.30 g/cm³ (30% KOH) to prevent freezing at -50°C. Pro Tip: Use hydrometers monthly—evaporation increases concentration, accelerating plate corrosion.
| Concentration | Freezing Point | Applications |
|---|---|---|
| 26% | -28°C | Warehouse forklifts |
| 30% | -50°C | Cold storage/reach trucks |
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FAQs
Absolutely not—lithium batteries require non-aqueous electrolytes. KOH solutions will trigger violent reactions with lithium metal.
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How often should electrolyte levels be checked?
Inspect weekly under heavy cycling. Maintain 6-8 mm above plates—low levels expose electrodes to oxidizing air.
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