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MARSTEK SATURN B2500-D
Model: B2500-D · SKU: MEG-B2500D
Prepared Nov 13, 2026

Common specifications
| Total panel output | Not documented |
|---|---|
| Microinverter output | Not documented |
| Maximum output to outlet | Not documented |
| Battery capacity | 2,240 WhSource [1, 2] |
| Plug type | Not documented |
| Safety listing | Not documented |
| Enclosure volume | 18.93 L** Calculated from recorded external dimensions |
| Warranty term | 10 yearsSource [1] |
All recorded specifications
| Battery capacity | 2,240 WhDocumented claim ConditionsPrinted as "2240 Wh (50000 mAh/ 44.8 V)" in the manual; the page table prints "Capacity 2240Wh". Location: User manual, Specifications, Capacity Printed as "2240 Wh (50000 mAh/ 44.8 V)" in the manual; the page table prints "Capacity 2240Wh". Location: User manual, Specifications, Capacity Official user manual · MARSTEK Micro ESS Power Station B2500 user manual (PDF)Official product page · MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture) [1, 2] |
|---|---|
| Battery voltage | 44.8 VDocumented claim ConditionsPrinted inside the capacity figure as "50000 mAh/ 44.8 V". Location: User manual, Specifications, Capacity Printed inside the capacity figure as "50000 mAh/ 44.8 V". Location: User manual, Specifications, Capacity |
| Charging temperature | 0 to 50 °C32 to 122 °F convertedDocumented claim ConditionsPrinted as "0 - 50℃"; the manual also states "The product can be charged in a temperature range of 0℃- 50℃." Location: User manual, Specifications, Charging Temperature Printed as "0 - 50℃"; the manual also states "The product can be charged in a temperature range of 0℃- 50℃." Location: User manual, Specifications, Charging Temperature |
| Chemistry | LiFePO₄Documented claim ConditionsPrinted as "LiFePO₄"; the manual prints "LiFePO4" in its Battery Cell row. Location: Product page table, Cell Chemistry Printed as "LiFePO₄"; the manual prints "LiFePO4" in its Battery Cell row. Location: Product page table, Cell Chemistry |
| Communications | Bluetooth 5.2; Wi-Fi 2.4 GHzDocumented claim ConditionsPrinted as "BT5.2 + WIFI 2.4G". Location: Product page table, Wireless Printed as "BT5.2 + WIFI 2.4G". Location: Product page table, Wireless |
| Cycle life | 6,000 cyclesDocumented claim ConditionsPrinted as "6000times (25℃)"; the page table prints "6000+ Cycles to 80% Capacity". Location: User manual, Specifications, Cycle times Printed as "6000times (25℃)"; the page table prints "6000+ Cycles to 80% Capacity". Location: User manual, Specifications, Cycle times |
| Dimensions | 175 W × 350 H × 309 L mm6.89 W × 13.8 H × 12.2 L in convertedNeeds confirmationMARSTEK's SATURN-C B2500 user manual prints "309 x 175 x 350 mm" for the B2500-D; its B2500-D brochure prints "295*175*350mm". Both are kept as printed; the manual's value is shown first. ConditionsPrinted as "309 x 175 x 350 mm" without axis labels; recorded in the printed order. Location: User manual, Specifications, Dimension Printed as "309 x 175 x 350 mm" without axis labels; recorded in the printed order. Location: User manual, Specifications, Dimension |
| Enclosure | IP65Documented claim ConditionsAs printed. Location: User manual, Specifications, Waterproof As printed. Location: User manual, Specifications, Waterproof |
| MPPT trackers | 2Documented claim ConditionsPrinted as "2 MPPT 1600W PV Input". Location: Product page heading Printed as "2 MPPT 1600W PV Input". Location: Product page heading |
| Operating temperature | -10 to 50 °C14 to 122 °F convertedDocumented claim ConditionsPrinted as "-10 - 50℃" (second of the three temperature rows); the page table prints "Operating Temp. 14°F~122°F (-10°C~50°C)". Location: User manual, Specifications, Operation Temperature Printed as "-10 - 50℃" (second of the three temperature rows); the page table prints "Operating Temp. 14°F~122°F (-10°C~50°C)". Location: User manual, Specifications, Operation Temperature |
| Rated capacity | 50 AhCalculated50000 mAh / 1000 mAh/Ah ConditionsPrinted as "50000 mAh". Location: User manual, Specifications, Capacity Printed as "50000 mAh". Location: User manual, Specifications, Capacity |
| Solar input limit | 1,600 WDocumented claim ConditionsPrinted as "1600W Dual MPPT Input & 800W DC Output"; the manual and table print the PV input as "800W*2 Max." at 12V to 59V and 13.5A per input. Location: Product page, dual MPPT section; manual PV Input Printed as "1600W Dual MPPT Input & 800W DC Output"; the manual and table print the PV input as "800W*2 Max." at 12V to 59V and 13.5A per input. Location: Product page, dual MPPT section; manual PV Input |
| Storage temperature | -10 to 55 °C14 to 131 °F convertedDocumented claim ConditionsPrinted in the order Storage, Operation and Charging Temperature as "-10 - 55℃ -10 - 50℃ 0 - 50℃"; the page table prints storage as -10°C~55°C. Location: User manual, Specifications, Storage Temperature Printed in the order Storage, Operation and Charging Temperature as "-10 - 55℃ -10 - 50℃ 0 - 50℃"; the page table prints storage as -10°C~55°C. Location: User manual, Specifications, Storage Temperature |
| Weight | 20 kg44 lb convertedDocumented claim ConditionsPrinted as "20±0.5 kg"; the page table prints "20±0.5kg". Location: User manual, Specifications, Weight Printed as "20±0.5 kg"; the page table prints "20±0.5kg". Location: User manual, Specifications, Weight |
Warranty
| Warranty term | 10 yearsDocumented claim ConditionsPrinted as "Product warranty period of 10 years." starting from the date of purchase by the consumer, with proof of purchase; the page states "The MARSTEK SATURN-C B2500 comes with a 10-year warranty." Location: User manual, Warranty and Contact Information Printed as "Product warranty period of 10 years." starting from the date of purchase by the consumer, with proof of purchase; the page states "The MARSTEK SATURN-C B2500 comes with a 10-year warranty." Location: User manual, Warranty and Contact Information |
|---|
Certificate records
| EN IEC 62109-1/-2 | Claimed · Listed when checkedApplies to: unresolved document set Printed as "EN IEC 62109-1/-2" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
|---|---|
| EN IEC 61000-6-1/3 | Claimed · Listed when checkedApplies to: unresolved document set Printed as "EN IEC 61000-6-1/3" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
| IEC62619:2022 | Claimed · Listed when checkedApplies to: unresolved document set Printed as "IEC62619:2022" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
| WEEE | Claimed · Listed when checkedApplies to: unresolved document set Printed as "WEEE" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
| ROHS | Claimed · Listed when checkedApplies to: unresolved document set Printed as "ROHS" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
| REACH | Claimed · Listed when checkedApplies to: unresolved document set Printed as "REACH" in the Standards row of the MARSTEK B2500-D specification table on MARSTEK's product page. Recorded exactly as printed, as a manufacturer claim. The document names no certification body, certificate number or scope for it, no certificate was read, and no issuer record was checked. [2] |
Sources and revisions
- MARSTEK Micro ESS Power Station B2500 user manual (PDF)Official user manual · Checked https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_User_Manual_compressed.pdf?v=1776132359
- MARSTEK SATURN B2500-D product page, marstekenergy.com (September 29, 2026 capture)Official product page · Checked https://marstekenergy.com/products/marstek-b2500-micro-energy-storage-system
- MARSTEK SATURN B2500-D, MARSTEK store product data (JSON, September 29, 2026 capture)Official product feed · Checked https://marstekenergy.com/products/marstek-b2500-micro-energy-storage-system.json
- MARSTEK Download Center (September 29, 2026 capture)Official product page · Checked https://marstekenergy.com/pages/download-center
- MARSTEK B2500-D brochure (PDF, 2 pages)Official datasheet · Checked https://cdn.shopify.com/s/files/1/0746/1575/0952/files/SATURN-C_B2500_Brochure_EN_compressed.pdf