HARDWARE / PRODUCTAdded 13 Jul 2026

B28-M275/550/825/1100 28V Modular Battery Series

ibeos

Scalable 28V modular Li-ion battery series in 275, 550, 825, and 1100 Whr configurations, 20–80A peak discharge, 30 kRad TID, aluminum+PEEK chassis, TRL 9.

Key figurescomparable across the catalogue

Mass
2.1 kg
TRL
9

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Configurations
B28-M275 (275 Whr), B28-M550 (550 Whr), B28-M825 (825 Whr), B28-M1100 (1100 Whr)
Operating voltage
24–33.6 V
Max discharge rate
20 A (275 Whr) to 80 A (1100 Whr)
Recommended charge rate
5 A (275 Whr) to 20 A (1100 Whr)
Mass range
2.1–7.8 kg
Cross-section
147 x 90 mm
Length range
150–465 mm
Cell temp (charge)
0 to 45 deg C
Cell temp (discharge)
-25 to 55 deg C
SEE (operate)
LET > 37
TID
30 kRad(Si)
TRL
9

About

The Ibeos B28-M275/550/825/1100 is a radiation-tolerant, fault-tolerant modular 28V lithium-ion battery series for SmallSat and larger spacecraft. Four configurations cover 275 to 1100 Whr in 275 Whr increments. Aluminum and PEEK chassis with Kapton thermofoil heaters. Connectors are 1x 100-pin 38999 plus 1x 21-pin Micro-D. Discharge rates scale with capacity from 20A (275 Whr) to 80A (1100 Whr). Mass ranges from 2.1 kg to 7.8 kg and length from 150 mm to 465 mm, with constant 147×90 mm cross-section for modular integration.

Documentation

No public datasheet yet — request the datasheet / ICD from the supplier.

Source: www.ibeos.com ↗

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