{"product_id":"ethos-51-2v-100ah-5-12kwh-stackable-battery-module","title":"BigBattery Ethos 5.12kWh 51.2v (48V Nominal) 100Ah, Stackable Battery Module","description":"\u003cp data-start=\"364\" data-end=\"812\"\u003eIntroducing the Ethos 51.2V 100Ah Stackable Battery Module, a compact, high-performance LiFePO₄ energy storage unit engineered for reliability, safety, and scalability. With a 5.12 kWh capacity, this battery provides flexible energy storage for residential, commercial, and off-grid systems. Designed with a robust IP65-rated enclosure and modular stackable structure, it delivers the perfect balance between efficiency and expandability.\u003c\/p\u003e \u003ch3 data-start=\"814\" data-end=\"832\"\u003eKey Features\u003c\/h3\u003e \u003cul data-start=\"833\" data-end=\"1313\"\u003e \u003cli data-start=\"833\" data-end=\"940\"\u003e \u003cp data-start=\"835\" data-end=\"940\"\u003eStackable Modular Design: Build systems from 5.12 kWh up to 51.2 kWh simply by adding more modules.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"941\" data-end=\"1044\"\u003e \u003cp data-start=\"943\" data-end=\"1044\"\u003eAdvanced LiFePO₄ Chemistry: Stable, long-life lithium iron phosphate cells for superior safety.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1045\" data-end=\"1132\"\u003e \u003cp data-start=\"1047\" data-end=\"1132\"\u003eHigh Current Output: Supports up to 100 A continuous discharge and 150 A surge.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1133\" data-end=\"1207\"\u003e \u003cp data-start=\"1135\" data-end=\"1207\"\u003eWeatherproof Enclosure: IP65 protection against dust and moisture.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1208\" data-end=\"1313\"\u003e \u003cp data-start=\"1210\" data-end=\"1313\"\u003eIntelligent BMS Integration: Monitors voltage, current, and temperature for balanced performance.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr data-start=\"1315\" data-end=\"1318\"\u003e \u003ch3 data-start=\"1320\" data-end=\"1342\"\u003eProduct Overview\u003c\/h3\u003e \u003cp data-start=\"1344\" data-end=\"1686\"\u003eThe Ethos 51.2V 100Ah module is built for dependable, scalable energy storage. Using LiFePO₄ chemistry, it ensures exceptional safety, long cycle life, and consistent output under demanding conditions. The stackable configuration allows effortless expansion — start with a single 5.12 kWh battery and grow as your energy needs increase.\u003c\/p\u003e \u003cp data-start=\"1688\" data-end=\"2006\"\u003eA built-in Battery Management System (BMS) continuously monitors and balances cell voltages while protecting against overcharging, deep discharging, short circuits, and temperature extremes. Its passive balancing system enhances long-term efficiency, ensuring maximum usable capacity throughout its lifespan.\u003c\/p\u003e \u003cp data-start=\"2008\" data-end=\"2433\"\u003eEach module is protected by an IP65-rated aluminum housing, making it suitable for indoor or semi-outdoor installations. It is compatible with a wide range of hybrid and off-grid inverters, making integration into existing solar systems straightforward. With a design life of over 10 years and a cycle life between 4,000 and 8,000 cycles at 80% depth of discharge, Ethos delivers both longevity and reliability.\u003c\/p\u003e \u003cp data-start=\"2435\" data-end=\"2566\"\u003eIdeal for homes, cabins, commercial facilities, and microgrids, this module provides a durable and future-proof power foundation.\u003c\/p\u003e \u003chr data-start=\"2568\" data-end=\"2571\"\u003e \u003ch3 data-start=\"2573\" data-end=\"2603\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cdiv\u003e \u003cdiv tabindex=\"-1\"\u003e \u003ctable data-start=\"2605\" data-end=\"3870\"\u003e \u003cthead data-start=\"2605\" data-end=\"2632\"\u003e \u003ctr data-start=\"2605\" data-end=\"2632\"\u003e \u003cth data-start=\"2605\" data-end=\"2621\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e \u003cth data-start=\"2621\" data-end=\"2632\" data-col-size=\"md\"\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"2663\" data-end=\"3870\"\u003e \u003ctr data-start=\"2663\" data-end=\"2689\"\u003e \u003ctd data-start=\"2663\" data-end=\"2671\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e \u003ctd data-start=\"2671\" data-end=\"2689\" data-col-size=\"md\"\u003eFETHS-48051-G1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2690\" data-end=\"2718\"\u003e \u003ctd data-start=\"2690\" data-end=\"2708\" data-col-size=\"sm\"\u003eNominal Voltage\u003c\/td\u003e \u003ctd data-start=\"2708\" data-end=\"2718\" data-col-size=\"md\"\u003e51.2 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2719\" data-end=\"2752\"\u003e \u003ctd data-start=\"2719\" data-end=\"2736\" data-col-size=\"sm\"\u003eSystem Voltage\u003c\/td\u003e \u003ctd data-start=\"2736\" data-end=\"2752\" data-col-size=\"md\"\u003e48 V nominal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2753\" data-end=\"2785\"\u003e \u003ctd data-start=\"2753\" data-end=\"2764\" data-col-size=\"sm\"\u003eCapacity\u003c\/td\u003e \u003ctd data-start=\"2764\" data-end=\"2785\" data-col-size=\"md\"\u003e100 Ah \/ 5.12 kWh\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2786\" data-end=\"2833\"\u003e \u003ctd data-start=\"2786\" data-end=\"2807\" data-col-size=\"sm\"\u003eCell Configuration\u003c\/td\u003e \u003ctd data-start=\"2807\" data-end=\"2833\" data-col-size=\"md\"\u003e16S (16 LiFePO₄ cells)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2834\" data-end=\"2876\"\u003e \u003ctd data-start=\"2834\" data-end=\"2859\" data-col-size=\"sm\"\u003eCharging Voltage Range\u003c\/td\u003e \u003ctd data-start=\"2859\" data-end=\"2876\" data-col-size=\"md\"\u003e55.6 V – 57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2877\" data-end=\"2906\"\u003e \u003ctd data-start=\"2877\" data-end=\"2898\" data-col-size=\"sm\"\u003eMax Charge Voltage\u003c\/td\u003e \u003ctd data-start=\"2898\" data-end=\"2906\" data-col-size=\"md\"\u003e57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2907\" data-end=\"2948\"\u003e \u003ctd data-start=\"2907\" data-end=\"2933\" data-col-size=\"sm\"\u003eOperating Voltage Range\u003c\/td\u003e \u003ctd data-start=\"2933\" data-end=\"2948\" data-col-size=\"md\"\u003e48 V – 57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2949\" data-end=\"2987\"\u003e \u003ctd data-start=\"2949\" data-end=\"2970\" data-col-size=\"sm\"\u003eLow Voltage Cutoff\u003c\/td\u003e \u003ctd data-start=\"2970\" data-end=\"2987\" data-col-size=\"md\"\u003e48 V – 50.8 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2988\" data-end=\"3028\"\u003e \u003ctd data-start=\"2988\" data-end=\"3019\" data-col-size=\"sm\"\u003eMaximum Continuous Discharge\u003c\/td\u003e \u003ctd data-start=\"3019\" data-end=\"3028\" data-col-size=\"md\"\u003e100 A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3029\" data-end=\"3077\"\u003e \u003ctd data-start=\"3029\" data-end=\"3054\" data-col-size=\"sm\"\u003ePeak Discharge Current\u003c\/td\u003e \u003ctd data-start=\"3054\" data-end=\"3077\" data-col-size=\"md\"\u003e150 A (≤ 5 seconds)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3078\" data-end=\"3112\"\u003e \u003ctd data-start=\"3078\" data-end=\"3103\" data-col-size=\"sm\"\u003eMaximum Charge Current\u003c\/td\u003e \u003ctd data-start=\"3103\" data-end=\"3112\" data-col-size=\"md\"\u003e100 A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3113\" data-end=\"3147\"\u003e \u003ctd data-start=\"3113\" data-end=\"3137\" data-col-size=\"sm\"\u003eRound-Trip Efficiency\u003c\/td\u003e \u003ctd data-start=\"3137\" data-end=\"3147\" data-col-size=\"md\"\u003e≥ 95 %\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3148\" data-end=\"3196\"\u003e \u003ctd data-start=\"3148\" data-end=\"3160\" data-col-size=\"sm\"\u003eChemistry\u003c\/td\u003e \u003ctd data-start=\"3160\" data-end=\"3196\" data-col-size=\"md\"\u003eLithium Iron Phosphate (LiFePO₄)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3197\" data-end=\"3245\"\u003e \u003ctd data-start=\"3197\" data-end=\"3210\" data-col-size=\"sm\"\u003eCycle Life\u003c\/td\u003e \u003ctd data-start=\"3210\" data-end=\"3245\" data-col-size=\"md\"\u003e4,000 – 8,000 cycles @ 80 % DOD\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3246\" data-end=\"3290\"\u003e \u003ctd data-start=\"3246\" data-end=\"3272\" data-col-size=\"sm\"\u003eCommunication Protocols\u003c\/td\u003e \u003ctd data-start=\"3272\" data-end=\"3290\" data-col-size=\"md\"\u003eCANBus \/ RS485\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3291\" data-end=\"3345\"\u003e \u003ctd data-start=\"3291\" data-end=\"3310\" data-col-size=\"sm\"\u003eEnclosure Rating\u003c\/td\u003e \u003ctd data-start=\"3310\" data-end=\"3345\" data-col-size=\"md\"\u003eIP65 (dust and water resistant)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3346\" data-end=\"3406\"\u003e \u003ctd data-start=\"3346\" data-end=\"3373\" data-col-size=\"sm\"\u003eCharge Temperature Range\u003c\/td\u003e \u003ctd data-start=\"3373\" data-end=\"3406\" data-col-size=\"md\"\u003e0 °C – 45 °C (32 °F – 113 °F)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3407\" data-end=\"3472\"\u003e \u003ctd data-start=\"3407\" data-end=\"3437\" data-col-size=\"sm\"\u003eDischarge Temperature Range\u003c\/td\u003e \u003ctd data-start=\"3437\" data-end=\"3472\" data-col-size=\"md\"\u003e–20 °C – 60 °C (–4 °F – 140 °F)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3473\" data-end=\"3558\"\u003e \u003ctd data-start=\"3473\" data-end=\"3508\" data-col-size=\"sm\"\u003eStorage Temperature (SoC \u0026gt; 50 %)\u003c\/td\u003e \u003ctd data-start=\"3508\" data-end=\"3558\" data-col-size=\"md\"\u003e–20 °C – 45 °C (–4 °F – 113 °F) for ≤ 6 months\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3559\" data-end=\"3641\"\u003e \u003ctd data-start=\"3559\" data-end=\"3584\" data-col-size=\"sm\"\u003eDimensions (D × W × H)\u003c\/td\u003e \u003ctd data-start=\"3584\" data-end=\"3641\" data-col-size=\"md\"\u003e170 mm × 674 mm × 419 mm (6.7 in × 26.5 in × 16.5 in)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3642\" data-end=\"3682\"\u003e \u003ctd data-start=\"3642\" data-end=\"3651\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e \u003ctd data-start=\"3651\" data-end=\"3682\" data-col-size=\"md\"\u003e≈ 45 – 50 kg (99 – 110 lbs)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3683\" data-end=\"3772\"\u003e \u003ctd data-start=\"3683\" data-end=\"3705\" data-col-size=\"sm\"\u003eProtection Features\u003c\/td\u003e \u003ctd data-start=\"3705\" data-end=\"3772\" data-col-size=\"md\"\u003eOver\/under-voltage, over-current, short circuit, thermal cutoff\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3773\" data-end=\"3817\"\u003e \u003ctd data-start=\"3773\" data-end=\"3790\" data-col-size=\"sm\"\u003eCertifications\u003c\/td\u003e \u003ctd data-start=\"3790\" data-end=\"3817\" data-col-size=\"md\"\u003eUL9540A, UL1973, UN38.3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3818\" data-end=\"3846\"\u003e \u003ctd data-start=\"3818\" data-end=\"3832\" data-col-size=\"sm\"\u003eDesign Life\u003c\/td\u003e \u003ctd data-start=\"3832\" data-end=\"3846\" data-col-size=\"md\"\u003e10 + years\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3847\" data-end=\"3870\"\u003e \u003ctd data-start=\"3847\" data-end=\"3858\" data-col-size=\"sm\"\u003eWarranty\u003c\/td\u003e \u003ctd data-start=\"3858\" data-end=\"3870\" data-col-size=\"md\"\u003e10 years\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003ch3 data-start=\"3877\" data-end=\"3902\"\u003e\u003cbr\u003e\u003c\/h3\u003e \u003ch3 data-start=\"3877\" data-end=\"3902\"\u003eIncluded in the Box\u003c\/h3\u003e \u003cul data-start=\"3903\" data-end=\"4094\"\u003e \u003cli data-start=\"3903\" data-end=\"3974\"\u003e \u003cp data-start=\"3905\" data-end=\"3974\"\u003e(1) Ethos Battery Module Red \u0026amp; Black Parallel Cable 0.7 FT (220 mm)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3975\" data-end=\"4039\"\u003e \u003cp data-start=\"3977\" data-end=\"4039\"\u003e(1) Ethos Battery Module Communication Cable 0.7 FT (220 mm)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4040\" data-end=\"4094\"\u003e \u003cp data-start=\"4042\" data-end=\"4094\"\u003e(2) L-Shaped Wall Mounting Brackets with Fasteners\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"4101\" data-end=\"4119\"\u003eApplications\u003c\/h3\u003e \u003cul data-start=\"4120\" data-end=\"4276\"\u003e \u003cli data-start=\"4120\" data-end=\"4162\"\u003e \u003cp data-start=\"4122\" data-end=\"4162\"\u003eResidential Solar \u0026amp; Backup Systems\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4163\" data-end=\"4196\"\u003e \u003cp data-start=\"4165\" data-end=\"4196\"\u003eOff-Grid Power and Cabins\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4197\" data-end=\"4240\"\u003e \u003cp data-start=\"4199\" data-end=\"4240\"\u003eCommercial Storage or Load-Shifting\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4241\" data-end=\"4276\"\u003e \u003cp data-start=\"4243\" data-end=\"4276\"\u003eRenewable Microgrid Systems\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":55064591794515,"sku":"ETHOS5.12","price":661.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/480-0031_2.png?v=1790371604","url":"https:\/\/progradewarehouse.com\/products\/ethos-51-2v-100ah-5-12kwh-stackable-battery-module","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}