48V DC rectifier modules, controllers and telecom batteries
Nine product families, covering the manufacturers behind most of the installed 48V DC base in telecom. Each page states plainly whether the family is still a current product or genuinely end-of-life — because that changes what you should do about it, and because guessing wrong costs a plant.
Not sure what the number on your label is? Look it up in the part number index →
9 product families
Active product line Still an active product line
The manufacturer still lists these, so your constraint is normally lead time and price — not obsolescence.
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Active product line
Eltek Flatpack2 48V Rectifier Modules
Eltek
241115.105 · 241119.105 · Flatpack2 48V shelves & subracks
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Active product line
Huawei R4850G2 & R4875G1 Rectifier Modules
Huawei
R4850G2 · R4875G1 · ETP48100
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Active product line
Delta ESR 48V Rectifier Modules
Delta
ESR-48/56 · ESR-48/56AC · Delta ESR series shelves
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Active product line
48V LiFePO4 Telecom Lithium Batteries
Multi-brand
48 V LiFePO4 50Ah · 15S · 48 V LiFePO4 100Ah · 15S · 48 V LiFePO4 150Ah / 200Ah · 15S
Mixed — see below Mixed — depends on the exact model
Part of the range is current and part is end-of-life. The specific part number decides which side you are on.
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Mixed — see below
Vertiv NetSure & Emerson R48 Rectifier Modules
Vertiv / Emerson
R48-2900U · R48-3200 · NetSure 701 / 501 systems
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Mixed — see below
ZTE ZXDU & ZXD Rectifier Modules
ZTE
ZXD2400 · ZXD3000 · ZXDU68
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Mixed — see below
DC Plant Controllers & Monitoring Units
Multi-brand
Eltek Smartpack / Smartpack2 · Vertiv NetSure controllers · Multi-brand monitoring units
Legacy / end-of-life Legacy / end-of-life
The OEM has walked away from these. New-old-stock and compatible alternatives are the route, and that is the work we do.
Read the lifecycle label first
Not everything old is discontinued, and not everything current is easy to get. A family marked active is still manufactured, so the question is price and lead time. Legacy means it comes from remaining stock and availability genuinely varies. Mixed means the platform lives on but specific revisions do not — which is where most compatibility mistakes happen.
If you don't know which one you have
Photograph the label on the front or side of the module, and a second photo of the whole shelf including the controller. Between the printed designation, the shelf format and the controller generation we can normally identify the part even when the model name has been superseded. The shelf photo is the one people forget, and it is often the decisive one.