Power Systems & Batteries
Power systems, rectifiers and batteries
ManufacturersDelta, Eltek, Emerson, Erskine, Huawei, Vertiv
Site power is the least glamorous and most failure-prone part of a telecom site, and unlike radio equipment it is largely vendor-agnostic — a −48 V rectifier of the right output and form factor will serve a site regardless of whose radios are on the tower. That makes cross-manufacturer equivalence genuinely useful here in a way it rarely is elsewhere. This category covers rectifier modules, power shelves, distribution units, surge protection and telecom battery strings. It also serves oil and gas, construction and industrial sites, not only telecom.
Configured systems
Browse by manufacturer
Vertiv 57 items 57 line items BrowseDelta 12 items 12 line items BrowseEltek 33 items 33 line items BrowseHuawei 35 items 35 line items BrowseEmerson 1 item 1 line items BrowseErskine 1 item 1 line items BrowseZTE 13 items 13 line items BrowseEricsson 19 items 19 line items BrowseOmniOn, Eaton, EnerSys, Enatel, Benning, Nokia 32 items 32 line items Browse
Equipment condition
New — factory-sealed, supplied through the manufacturer's own channel or a qualified distributor, with full manufacturer warranty.
New surplus — unused factory stock, original packaging where available, sourced from decommissioned projects or distributor inventory. Manufacturer warranty may have lapsed; CRS PLUS warranty applies.
Refurbished / tested — previously deployed equipment, cleaned, firmware-checked and functionally tested against the manufacturer's specification before shipment. CRS PLUS warranty applies.
Condition is confirmed in writing on every quotation before you commit to an order.
Warranty
Warranty terms vary by item, by condition and by the supplier the equipment is sourced from. They are stated in writing on the quotation, per line item, before you commit to an order.
Where equipment is supplied new through the manufacturer's own channel, the manufacturer's warranty applies and is passed to you.
Send us the part numbers you need and we will confirm warranty terms alongside availability, condition, lead time and price.
Manufacturer names, product names and part numbers are the property of their respective owners and are used here for identification purposes only. CRS PLUS sources these products through its qualified supplier base and holds no distributor, reseller or agency appointment from any manufacturer listed.
This catalogue is compiled from our supplier network's available inventory and from manufacturer product documentation, and is reviewed monthly. Listing does not indicate stock held by CRS PLUS — availability, condition and lead time are confirmed per enquiry. Last reviewed: 22 August 2026.
Need a part number from this category?
Send us the part number and we will identify, confirm condition and price it — within 72 hours.