DINZHHENGYIN Waterproof DC Battery Charger — 18–90V input / 29.2V output, 5A (75Silver) Key benefits - Wide input range (18–90V) accepts common DC sources (24V, 36V, 48V, 60V, 72V), making the charger compatible with a broad range of systems and installations. - Designed for constant-current charging of lithium batteries (12V, 24V, 36V), providing stable, appropriate charging current for these battery types. - Multiple available output voltages (examples: 12.6V, 14.5V, 29.2V, 43V) for flexible use across different battery configurations; this listing is the 18–90V → 29.2V version. - Waterproof construction allows use in harsher or outdoor environments where moisture or splash resistance is required. - Clear model and specification: DINZHHENGYIN, 5A 75Silver — the 18–90V 29.2V 5A 75Silver version. Features and performance - Function: DC-to-DC battery charger configured for constant-current charging of lithium battery systems. - Input compatibility: accepts DC input voltages across a broad range (18V to 90V), covering common supply voltages such as 24V, 36V, 48V, 60V, and 72V. - Output details: this unit outputs 29.2V up to 5A (model specification 5A 75Silver); other output voltage options in the product family include 12.6V, 14.5V, and 43V. - Battery compatibility: specifically designed for charging lithium battery banks with nominal voltages of 12V, 24V, and 36V when matched to the appropriate output version. - Durability: waterproof design supports installations where moisture exposure is possible (outdoor cabinets, vehicle bays, or similar environments). Practical applications (examples) - Electric vehicle fleets and e-bikes: Use the charger to maintain 24V or 36V lithium battery packs from on-board DC sources or auxiliary power supplies. - Solar and off-grid systems: Charge a 36V lithium battery bank from varying DC inputs such as solar charge controllers or intermediate storage arrays, benefiting from the wide 18–90V input range. - Mobile/worksite equipment and marine applications: Reliable, waterproof charging for portable power systems and equipment batteries exposed to outdoor conditions. What makes this model right for you - Flexibility: The wide input voltage window and selectable output options let you use one charger family across different vehicle, industrial, or renewable-energy setups. - Targeted charging: Engineered for constant-current operation with lithium batteries, helping to charge correctly when paired with the proper output voltage model. - Clear identification: Model DINZHHENGYIN, specification 5A 75Silver, and this listing is the 18–90V → 29.2V 5A 75Silver variant for straightforward purchasing and compatibility checks. Note: Confirm that the 29.2V output version matches your battery pack requirements before installation, and follow battery manufacturer recommendations for charging procedures.