24V 48Ah IP68 Waterproof Lithium Battery for Fishing Boats & Trolling Motors — 316 Stainless Steel Enclosure, Magnetic Switch, LED Indicator
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Balder Power 24V / 48Ah lithium battery pack with 316 stainless steel enclosure — engineered for fishing boats, trolling motors, and saltwater marine environments where long-term corrosion resistance is non-negotiable
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IP68 / IPX8 waterproof to 5 meters; magnetic switch eliminates mechanical penetration points; integrated LED charge display and carry handle
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50A continuous discharge (1C) — sustains 2,000W–3,000W motor systems at full load; 7 kg lightweight design
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Samsung A-grade lithium cells; Balder Power custom-designed multi-level BMS; NCM (500 cycles) or LiFePO4 (3,000 cycles) configurable
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Factory direct wholesale, custom voltage / capacity / waterproof rating / OEM accepted
Descripción del Producto
The Balder Power 24V 48Ah lithium battery pack is purpose-built for fishing boat operators and marine propulsion buyers who need a compact, high-capacity 24V power source that performs reliably not just on launch day, but across years of saltwater exposure — the operating condition that distinguishes a genuinely marine-grade battery from a waterproofed consumer product.
The defining material choice is the 316 stainless steel enclosure. Where most portable marine batteries use engineering polymer or aluminum housings, 316 stainless steel contains molybdenum (typically 2–3%) in addition to chromium and nickel, giving it measurably superior resistance to chloride-induced pitting and crevice corrosion — the specific failure modes that saltwater accelerates on metal surfaces. This matters in practice: a fishing boat battery that lives in an open hull compartment, gets splashed with seawater on every outing, and sits in a salt-air environment between sessions will show surface pitting and joint corrosion on standard stainless or aluminum enclosures within one to two seasons. The 316 grade maintains enclosure integrity and IP68 seal compression over the full service life of the battery chemistry inside.
At 24V / 48Ah, this pack stores 1,152Wh in a 245 × 118 × 130 mm footprint weighing 7 kg — compact and light enough for single-hand carry and installation in the confined battery bays of lure fishing dinghies, inflatable boats, and aluminum fishing hulls. The 6S14P Samsung A-grade cell configuration delivers a flat discharge curve supporting 50A continuous (1C) discharge for 2,000W–3,000W electric trolling motor systems. The magnetic switch eliminates the mechanical button penetration point that is the primary IP seal failure mode in marine battery enclosures. The Balder Power custom-designed BMS provides multi-level protection across overcharge, over-discharge, over-current, over-temperature, and short-circuit conditions, with NCM (500 cycles) and LiFePO4 (3,000 cycles) chemistry options available within the same enclosure for rental fleet and charter operator applications.
Parámetros técnicos
| Parámetro | Especificación |
|---|---|
| Marca | Balder Power |
| Solicitud | Fishing boats, electric trolling motors, marine propulsion systems |
| Material de la carcasa | 316 stainless steel (marine-grade, molybdenum-enhanced corrosion resistance) |
| Tipo de batería | Li-ion (NCM standard / LiFePO4 configurable) |
| Cathode Materials | NMC (LiFePO4 configurable) |
| Configuración de celda | 6S14P — Samsung A-grade lithium cells |
| Voltaje nominal | 24V |
| Capacidad nominal | 48Ah |
| Energía | ~1,152 Wh |
| Clasificación IP | IP68 / IPX8 — submersible to 5 meters depth |
| Corriente máxima de descarga continua | 50A (1C) |
| Corriente de carga máxima | 0.2C (~9.6A) |
| Motor Compatibility | 2,000W–3,000W electric trolling motors (continuous) |
| Power Switch | Magnetic switch (zero-penetration) |
| Charge Display | LED battery level indicator |
| Carry Handle | Integrado |
| BMS | Balder Power custom-designed multi-level protection BMS |
| Protección | Overcharge, over-discharge, over-current, over-temperature, short-circuit |
| Ciclo de vida | 500 cycles (NCM) / 3,000 cycles (LiFePO4 configurable) |
| Temperatura de funcionamiento | −20°C to +60°C |
| Dimensions (L × W × H) | 245 × 118 × 130 mm (9.65 × 4.65 × 5.12 in) |
| Peso | 7 kg (15.43 lb) |
| Garantía | 12 meses a partir de la fecha de envío |
| Fabricante de equipos originales (OEM) / Fabricante de diseño original (ODM) | Accepted — voltage, capacity, chemistry, IP rating, enclosure markings customizable |
| Lugar de origen | Guangdong, China |
Características y ventajas
✅ 🛡️ 316 Stainless Steel Enclosure: Long-Term Saltwater Corrosion Resistance
The Balder Power 24V 48Ah pack uses a 316-grade stainless steel enclosure — the material specification used in marine hardware, offshore equipment, and food processing machinery precisely because its molybdenum content gives it resistance to chloride pitting that standard 304 stainless and aluminum cannot match. In saltwater fishing environments, the enclosure faces a combination of direct spray, salt air exposure during dockside storage, and condensation inside enclosed hull compartments — conditions that cause visible surface corrosion on polymer and standard metal enclosures within one or two seasons of regular use. The 316 grade maintains a clean, corrosion-free surface under these conditions across the full battery service life, preserving both the IP68 gasket seating that depends on enclosure dimensional integrity, and the professional appearance that matters for charter operations and branded rental fleets.
✅ 🌊 IP68 Magnetic Switch: Waterproof to 5 Meters with Zero-Penetration Power Control
The enclosure is IP68 / IPX8 validated to 5 meters submersion depth. The magnetic switch activates battery output through the sealed 316 stainless enclosure wall via external magnet interaction — no button, lever, or mechanical switch penetrates the housing at the activation point, eliminating the O-ring compression fatigue and seal degradation that causes conventional marine battery switches to fail with repeated wet cycling. The LED charge display is integrated into the enclosure surface without additional penetrations, providing real-time battery level visibility throughout the fishing session without opening any compartment.
✅ 🔋 Samsung A-Grade Cells with Balder Power Custom BMS Multi-Level Protection
The 6S14P cell array uses Samsung A-grade lithium cells for consistent capacity, low internal resistance, and reliable 1C discharge rate across 2,000W–3,000W trolling motor loads. The Balder Power custom-designed BMS covers overcharge, over-discharge, over-current, over-temperature, and short-circuit protection — engineered for the marine duty cycle of high-thrust starts, extended low-speed trolling, and rapid charge turnaround between sessions. NCM chemistry provides 500 cycles for recreational use; LiFePO4 is configurable for charter and rental fleet operators requiring 3,000-cycle service life.
Embalaje y entrega
Embalaje seguro y conforme
Para garantizar el tránsito seguro de mercancías peligrosas de clase 9, cada batería está protegida con Lana perlada de alta calidad (espuma EPE) y encerrado en Cajas de cartón certificadas por la ONU. Para envíos a granel, utilizamos materiales resistentes. Paletas de madera contrachapada o plástico Envuelto en film retráctil, totalmente compatible con las regulaciones de envío internacionales.
Opciones de envío globales (Incoterms)
Admitimos condiciones de envío flexibles para adaptarnos a las necesidades de su negocio, incluyendo: FOB, CIF y DDP (Puerta a Puerta con impuestos incluidos).
- Por mar: La opción más económica para pedidos al por mayor.
- Por aire/expreso: Entrega rápida de muestras (DHL/UPS/FedEx).
- En tren: Servicio CR Express confiable para los mercados de Europa y Asia Central.
Plazo de producción
Nuestro plazo de entrega varía según la personalización del producto:
| Tipo de producto | Muestras | Pedido al por mayor |
|---|---|---|
| Modelos estándar | 5 - 7 días | 14 - 20 días |
| Modelos personalizados | 7 - 14 días | 14 - 28 días |
Normas de seguridad globales y cumplimiento de los estándares OEM
Al integrar una batería de litio personalizada en su dispositivo, el cumplimiento normativo es fundamental. En Balder Power, nuestras soluciones de baterías OEM se diseñan desde cero para superar rigurosas pruebas de seguridad internacionales. Garantizamos que sus baterías personalizadas cumplan con los estándares de rendimiento CE, UL e IEC, además de proporcionar los informes UN38.3 y MSDS obligatorios para un envío global sin contratiempos. Desde el prototipado inicial hasta la certificación final, eliminamos los obstáculos normativos para acelerar la entrada de su producto al mercado.
Preguntas frecuentes
Q1: Why does this battery use 316 stainless steel instead of aluminum or polymer, and does it make a real difference in saltwater?
316 stainless steel contains molybdenum — typically 2–3% — in addition to the chromium and nickel present in standard 304 stainless. This molybdenum content specifically resists chloride-induced pitting corrosion, which is the failure mode that saltwater accelerates on metal surfaces. In practical fishing boat use, an aluminum or 304 stainless enclosure exposed to regular saltwater spray, salt-air dock storage, and hull condensation will develop visible surface pitting and joint corrosion within one to two seasons. 316 grade resists this degradation across the full battery service life, preserving both the IP68 gasket seating geometry and the enclosure appearance. For charter operators and rental fleets where equipment condition directly affects customer perception, this is a meaningful operational difference.
Q2: Is this a direct drop-in replacement for the lead-acid battery on a 24V trolling motor?
Yes. The Balder Power 24V 48Ah pack is a direct lithium replacement for 24V sealed lead-acid trolling motor battery banks. The nominal 24V output is compatible with all standard 24V trolling motor controllers. The flat lithium discharge curve maintains consistent motor thrust across 80–90% of usable capacity before cutoff — compared to approximately 50% for lead-acid before voltage sag begins reducing thrust. At 7 kg, it is substantially lighter than an equivalent lead-acid bank, improving boat trim and reducing dock transport effort.
Q3: What is the minimum order quantity and is OEM/ODM customization available?
Standard wholesale minimum order is 10 units, with tiered pricing at 30, 50, and 100+ units. OEM/ODM customization covers voltage, capacity, cell chemistry (NCM or LiFePO4), enclosure dimensions, IP rating, BMS discharge parameters, and enclosure markings. OEM minimum is 50 units with a 7–10 working day lead time after sample approval. Engineering samples (1–3 units) are available before volume commitment.
Q4: What is the expected runtime on a 2,000W or 3,000W trolling motor?
At 2,000W full thrust (approximately 83A at 24V), runtime is approximately 30–35 minutes continuous. At 3,000W (approximately 125A), approximately 20 minutes. At moderate trolling speed drawing 10–20A, runtime is 2.5–4.5 hours. Full recharge from empty takes approximately 5 hours at the 0.2C maximum charge rate.
Q5: What is the difference between the NCM and LiFePO4 options?
The standard NCM version suits recreational anglers completing one to two full charge cycles per week — 500 cycles equates to approximately 5 years of weekly use. The LiFePO4 configurable version provides 3,000 cycles for charter boat operators, fishing guide services, and rental fleets completing daily cycles needing 5–8 year commercial service life. LiFePO4 is also more thermally stable for packs stored in hot enclosed hull compartments during summer.
Q6: How should the battery be maintained after saltwater use?
Rinse the external connector face and LED indicator surface with fresh water after each saltwater session. The 316 stainless enclosure surface requires no special anti-corrosion treatment — rinse with fresh water and dry if storing for extended periods. Apply dielectric grease to connector mating surfaces every 30–50 cycles. For off-season storage exceeding 30 days, discharge to 50–60% state of charge and store indoors between 10°C and 25°C.
