{"product_id":"ethos-10-2wh-stackable-battery-2-module","title":"BigBattery Ethos 10.2kWh Stackable Battery (2 Module)","description":"\u003cp data-start=\"329\" data-end=\"726\"\u003eIntroducing the Ethos 10.2 kWh Stackable Battery System, a dual-module configuration that combines two 5.12 kWh Ethos LiFePO₄ batteries into a seamless energy-storage unit. Engineered for performance, scalability, and reliability, this pre-configured stack delivers 10.24 kWh of clean energy capacity — ideal for residential solar setups, off-grid cabins, and small commercial installations.\u003c\/p\u003e \u003ch3 data-start=\"728\" data-end=\"746\"\u003eKey Features\u003c\/h3\u003e \u003cul data-start=\"747\" data-end=\"1270\"\u003e \u003cli data-start=\"747\" data-end=\"856\"\u003e \u003cp data-start=\"749\" data-end=\"856\"\u003ePre-Configured 2-Module Stack: Combines two Ethos 5.12 kWh batteries for 10.24 kWh of total capacity.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"857\" data-end=\"964\"\u003e \u003cp data-start=\"859\" data-end=\"964\"\u003eSafe LiFePO₄ Chemistry: Superior thermal stability, long cycle life, and reliable discharge curves.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"965\" data-end=\"1068\"\u003e \u003cp data-start=\"967\" data-end=\"1068\"\u003eHigh Power Capability: Continuous discharge up to 200 A and peak current up to 300 A (≤ 5 sec).\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1069\" data-end=\"1171\"\u003e \u003cp data-start=\"1071\" data-end=\"1171\"\u003eWeather-Sealed Design: IP65-rated housing allows flexible indoor or semi-outdoor installation.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1172\" data-end=\"1270\"\u003e \u003cp data-start=\"1174\" data-end=\"1270\"\u003eIntegrated Control Box \u0026amp; BMS: Streamlined power management, communication, and protection.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"1277\" data-end=\"1299\"\u003eProduct Overview\u003c\/h3\u003e \u003cp data-start=\"1301\" data-end=\"1674\"\u003eThe Ethos 10.2 kWh Stackable Battery System pairs two Ethos 51.2 V 100 Ah modules in parallel, doubling usable capacity while maintaining the same 51.2 V operating voltage. Each module is built with high-grade LiFePO₄ cells and an intelligent Battery Management System (BMS) that continuously monitors voltage, temperature, and current for optimal performance and safety.\u003c\/p\u003e \u003cp data-start=\"1676\" data-end=\"2034\"\u003eIts stackable architecture lets you start small and expand easily — the 2-module stack can be scaled up to 10 modules in total, reaching over 50 kWh of storage for larger systems. Designed for integration with hybrid inverters and solar controllers, it provides a plug-and-play foundation for energy storage, backup power, or self-consumption applications.\u003c\/p\u003e \u003cp data-start=\"2036\" data-end=\"2326\"\u003eBuilt for longevity, each Ethos module offers 4,000 to 8,000 charge cycles at 80 % depth of discharge and a 10-year design life. With its rugged IP65 enclosure, high efficiency (≥ 95 %), and compliance with UL and UN certifications, the system delivers both performance and peace of mind.\u003c\/p\u003e \u003ch3 data-start=\"2333\" data-end=\"2363\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cdiv\u003e \u003cdiv tabindex=\"-1\"\u003e \u003ctable data-start=\"2365\" data-end=\"3415\"\u003e \u003cthead data-start=\"2365\" data-end=\"2392\"\u003e \u003ctr data-start=\"2365\" data-end=\"2392\"\u003e \u003cth data-start=\"2365\" data-end=\"2381\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e \u003cth data-start=\"2381\" data-end=\"2392\" data-col-size=\"md\"\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"2422\" data-end=\"3415\"\u003e \u003ctr data-start=\"2422\" data-end=\"2468\"\u003e \u003ctd data-start=\"2422\" data-end=\"2438\" data-col-size=\"sm\"\u003eConfiguration\u003c\/td\u003e \u003ctd data-start=\"2438\" data-end=\"2468\" data-col-size=\"md\"\u003e2 × Ethos 5.12 kWh Modules\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2469\" data-end=\"2497\"\u003e \u003ctd data-start=\"2469\" data-end=\"2487\" data-col-size=\"sm\"\u003eNominal Voltage\u003c\/td\u003e \u003ctd data-start=\"2487\" data-end=\"2497\" data-col-size=\"md\"\u003e51.2 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2498\" data-end=\"2531\"\u003e \u003ctd data-start=\"2498\" data-end=\"2515\" data-col-size=\"sm\"\u003eSystem Voltage\u003c\/td\u003e \u003ctd data-start=\"2515\" data-end=\"2531\" data-col-size=\"md\"\u003e48 V nominal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2532\" data-end=\"2571\"\u003e \u003ctd data-start=\"2532\" data-end=\"2549\" data-col-size=\"sm\"\u003eTotal Capacity\u003c\/td\u003e \u003ctd data-start=\"2549\" data-end=\"2571\" data-col-size=\"md\"\u003e10.24 kWh (200 Ah)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2572\" data-end=\"2605\"\u003e \u003ctd data-start=\"2572\" data-end=\"2593\" data-col-size=\"sm\"\u003eCell Configuration\u003c\/td\u003e \u003ctd data-start=\"2593\" data-end=\"2605\" data-col-size=\"md\"\u003e16S × 2P\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2606\" data-end=\"2646\"\u003e \u003ctd data-start=\"2606\" data-end=\"2631\" data-col-size=\"sm\"\u003eCharging Voltage Range\u003c\/td\u003e \u003ctd data-start=\"2631\" data-end=\"2646\" data-col-size=\"md\"\u003e55.6 – 57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2647\" data-end=\"2676\"\u003e \u003ctd data-start=\"2647\" data-end=\"2668\" data-col-size=\"sm\"\u003eMax Charge Voltage\u003c\/td\u003e \u003ctd data-start=\"2668\" data-end=\"2676\" data-col-size=\"md\"\u003e57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2677\" data-end=\"2716\"\u003e \u003ctd data-start=\"2677\" data-end=\"2703\" data-col-size=\"sm\"\u003eOperating Voltage Range\u003c\/td\u003e \u003ctd data-start=\"2703\" data-end=\"2716\" data-col-size=\"md\"\u003e48 – 57 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2717\" data-end=\"2763\"\u003e \u003ctd data-start=\"2717\" data-end=\"2748\" data-col-size=\"sm\"\u003eSuggested Low Voltage Cutoff\u003c\/td\u003e \u003ctd data-start=\"2748\" data-end=\"2763\" data-col-size=\"md\"\u003e48 – 50.8 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2764\" data-end=\"2804\"\u003e \u003ctd data-start=\"2764\" data-end=\"2795\" data-col-size=\"sm\"\u003eContinuous Discharge Current\u003c\/td\u003e \u003ctd data-start=\"2795\" data-end=\"2804\" data-col-size=\"md\"\u003e200 A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2805\" data-end=\"2853\"\u003e \u003ctd data-start=\"2805\" data-end=\"2830\" data-col-size=\"sm\"\u003ePeak Discharge Current\u003c\/td\u003e \u003ctd data-start=\"2830\" data-end=\"2853\" data-col-size=\"md\"\u003e300 A (≤ 5 seconds)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2854\" data-end=\"2884\"\u003e \u003ctd data-start=\"2854\" data-end=\"2875\" data-col-size=\"sm\"\u003eMax Charge Current\u003c\/td\u003e \u003ctd data-start=\"2875\" data-end=\"2884\" data-col-size=\"md\"\u003e200 A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2885\" data-end=\"2919\"\u003e \u003ctd data-start=\"2885\" data-end=\"2909\" data-col-size=\"sm\"\u003eRound-Trip Efficiency\u003c\/td\u003e \u003ctd data-start=\"2909\" data-end=\"2919\" data-col-size=\"md\"\u003e≥ 95 %\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2920\" data-end=\"2968\"\u003e \u003ctd data-start=\"2920\" data-end=\"2932\" data-col-size=\"sm\"\u003eChemistry\u003c\/td\u003e \u003ctd data-start=\"2932\" data-end=\"2968\" data-col-size=\"md\"\u003eLithium Iron Phosphate (LiFePO₄)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2969\" data-end=\"3017\"\u003e \u003ctd data-start=\"2969\" data-end=\"2982\" data-col-size=\"sm\"\u003eCycle Life\u003c\/td\u003e \u003ctd data-start=\"2982\" data-end=\"3017\" data-col-size=\"md\"\u003e4,000 – 8,000 cycles @ 80 % DoD\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3018\" data-end=\"3052\"\u003e \u003ctd data-start=\"3018\" data-end=\"3034\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e \u003ctd data-start=\"3034\" data-end=\"3052\" data-col-size=\"md\"\u003eCANBus \/ RS485\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3053\" data-end=\"3080\"\u003e \u003ctd data-start=\"3053\" data-end=\"3072\" data-col-size=\"sm\"\u003eEnclosure Rating\u003c\/td\u003e \u003ctd data-start=\"3072\" data-end=\"3080\" data-col-size=\"md\"\u003eIP65\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3081\" data-end=\"3146\"\u003e \u003ctd data-start=\"3081\" data-end=\"3098\" data-col-size=\"sm\"\u003eOperating Temp\u003c\/td\u003e \u003ctd data-start=\"3098\" data-end=\"3146\" data-col-size=\"md\"\u003eCharge: 0 – 45 °C \/ Discharge: –20 – 60 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3147\" data-end=\"3190\"\u003e \u003ctd data-start=\"3147\" data-end=\"3162\" data-col-size=\"sm\"\u003eStorage Temp\u003c\/td\u003e \u003ctd data-start=\"3162\" data-end=\"3190\" data-col-size=\"md\"\u003e–20 – 45 °C (SOC \u0026gt; 50 %)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3191\" data-end=\"3263\"\u003e \u003ctd data-start=\"3191\" data-end=\"3217\" data-col-size=\"sm\"\u003eDimensions (per module)\u003c\/td\u003e \u003ctd data-start=\"3217\" data-end=\"3263\" data-col-size=\"md\"\u003e170 × 674 × 419 mm (6.7 × 26.5 × 16.5 in)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3264\" data-end=\"3317\"\u003e \u003ctd data-start=\"3264\" data-end=\"3286\" data-col-size=\"sm\"\u003eWeight (per module)\u003c\/td\u003e \u003ctd data-start=\"3286\" data-end=\"3317\" data-col-size=\"md\"\u003e≈ 45 – 50 kg (99 – 110 lbs)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3318\" data-end=\"3362\"\u003e \u003ctd data-start=\"3318\" data-end=\"3335\" data-col-size=\"sm\"\u003eCertifications\u003c\/td\u003e \u003ctd data-start=\"3335\" data-end=\"3362\" data-col-size=\"md\"\u003eUL9540A, UL1973, UN38.3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3363\" data-end=\"3415\"\u003e \u003ctd data-start=\"3363\" data-end=\"3388\" data-col-size=\"sm\"\u003eDesign Life \/ Warranty\u003c\/td\u003e \u003ctd data-start=\"3388\" data-end=\"3415\" data-col-size=\"md\"\u003e10 + years \/ 10 years\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003ch3 data-start=\"3422\" data-end=\"3443\"\u003e\u003c\/h3\u003e \u003ch3 data-start=\"3422\" data-end=\"3443\"\u003eIncluded in Kit\u003c\/h3\u003e \u003cp data-start=\"3445\" data-end=\"3476\"\u003eETHOS 10.2 kWh (2 Module)\u003c\/p\u003e \u003cp data-start=\"3478\" data-end=\"3500\"\u003eIncluded in Kit:\u003c\/p\u003e \u003cul data-start=\"3501\" data-end=\"3572\"\u003e \u003cli data-start=\"3501\" data-end=\"3572\"\u003e \u003cp data-start=\"3503\" data-end=\"3572\"\u003e(2) FETHS-48051-G1 – 5.12 kWh Ethos Battery Modules and Accessories\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"3574\" data-end=\"3609\"\u003eIncluded in Each Battery Box:\u003c\/p\u003e \u003cul data-start=\"3610\" data-end=\"3798\"\u003e \u003cli data-start=\"3610\" data-end=\"3681\"\u003e \u003cp data-start=\"3612\" data-end=\"3681\"\u003e(1) Ethos Battery Module Red \u0026amp; Black Parallel Cable 0.7 ft (220 mm)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3682\" data-end=\"3746\"\u003e \u003cp data-start=\"3684\" data-end=\"3746\"\u003e(1) Ethos Battery Module Communication Cable 0.7 ft (220 mm)\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3747\" data-end=\"3798\"\u003e \u003cp data-start=\"3749\" data-end=\"3798\"\u003e(2) L-Shaped Wall Mounting Brackets + Fasteners\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"3800\" data-end=\"3823\"\u003eAdditional Items:\u003c\/p\u003e \u003cul data-start=\"3824\" data-end=\"3974\"\u003e \u003cli data-start=\"3824\" data-end=\"3871\"\u003e \u003cp data-start=\"3826\" data-end=\"3871\"\u003eEthos Control Box with Included Accessories\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"3872\" data-end=\"3974\"\u003e \u003cp data-start=\"3874\" data-end=\"3974\"\u003e(1) CBL088 – Ethos Battery Final Module-to-Control Box Power Cable Pair (2 Stack) 31.5 in (800 mm)\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"3981\" data-end=\"3999\"\u003eApplications\u003c\/h3\u003e \u003cul data-start=\"4000\" data-end=\"4193\"\u003e \u003cli data-start=\"4000\" data-end=\"4047\"\u003e \u003cp data-start=\"4002\" data-end=\"4047\"\u003eResidential solar energy storage and backup\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4048\" data-end=\"4087\"\u003e \u003cp data-start=\"4050\" data-end=\"4087\"\u003eOff-grid power and remote locations\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4088\" data-end=\"4143\"\u003e \u003cp data-start=\"4090\" data-end=\"4143\"\u003eCommercial load-shifting and time-of-use management\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"4144\" data-end=\"4193\"\u003e \u003cp data-start=\"4146\" data-end=\"4193\"\u003eScalable microgrids and hybrid energy systems\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":55064590188883,"sku":"Ethos10.2","price":1469.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/Big-Battery-48V-ETHOS-10-2KWH-2-Module-7_700x700_54940513-b6f0-4e85-88b6-19349cc25968.png?v=1790371590","url":"https:\/\/progradewarehouse.com\/products\/ethos-10-2wh-stackable-battery-2-module","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}