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Product Range · Rack-Mounted ESS

Server Rack Battery

The rack-mounted line puts the same 51.2V modules into 19-inch cabinets: 5.12kWh and 10.24kWh units, IP54 enclosures, 16-module parallel strings for homes, telecom rooms and light commercial backup.

Rack format is what happens when storage grows up. The IMP-LR-05B (51.2V 100Ah, 5.12kWh) and IMP-LR-10B (51.2V 200Ah, 10.24kWh) are built for cabinet installation: 442mm wide, IP54 enclosures, front-accessible communication over RS232, RS485 or CAN, and parallel support for up to 16 modules — a 160kWh ceiling on the 200Ah unit before you even leave the low-voltage platform.

Both models charge at 58.4V with a 40V discharge cut-off, run 50A as standard and 100A continuous maximum (200A customisable on the 10B), and carry the range's 6,000-cycle rating at 80% DOD. In practice that makes the rack line the bridge of the catalogue: it serves the large home with a plant room, the small data or telecom room that needs hours of ride-through, and the light commercial site that wants storage in the same cabinet discipline as the rest of its power kit.

Buyers coming from the server world should note what this is and is not: it is a 51.2V energy storage battery in rack format, designed to pair with hybrid inverters and PCS equipment — specified, quoted and documented by the factory that builds it, with optional communication configurations confirmed in writing before production.

48V 100Ah cabinet type rack mounted energy storage lithium battery
IMP-LR-05B rack battery: 51.2V 100Ah in a 442 × 527 × 133mm cabinet-format unit.
12.8VRV & packs
25.6V24V systems
38.4V36V motive
51.2VStorage & 48V
Specification Plate

Key specifications

ModelsIMP-LR-05B (100Ah) · IMP-LR-10B (200Ah)
Nominal voltage / energy51.2V · 5.12kWh / 10.24kWh
Dimensions442 × 527 × 133mm (05B) · 442 × 790 × 155mm (10B)
WeightApprox. 46kg (05B) · 86kg (10B)
Cycle life6,000 cycles or more (80% DOD, 25°C)
Charge voltage / cut-off58.4V / 40V
Max. continuous current100A (200A customisable on 10B)
Module parallel16 pcs
IP ratingIP54
Certification (published)CE, UN38.3, MSDS; certificates available upon request

Figures are the manufacturer's published data for this range. The written quote states the exact configuration of your build.

Why It Earns Its Place

Features

Cabinet discipline

442mm-wide units slide into standard rack layouts alongside inverters and distribution — no wall loads, no floor stacks.

16-module strings

Scale from a single 5.12kWh unit to serious three-digit kWh stores on one platform and one protocol set.

IP54 enclosure

Dust and splash protection suits plant rooms, garages and light industrial spaces where wall units would be exposed.

Same modules, same factory

The rack line shares cells and BMS architecture with the wall and stack formats — one supplier, one documentation set.

Rack vs high voltage

Stay on the 51.2V rack platform while the store is in the 5–100kWh band and the inverter is a low-voltage hybrid. Move to the high-voltage rack systems (HR series, 30.72–217.04kWh at 307.2V class) when the project is commercial-scale, when PCS efficiency at high voltage matters, or when the design calls for a centralised battery room. Both lines are in this catalogue, and the factory quote will state plainly which platform fits the load you describe.

Ordering & OEM

How ordering works

Minimum order quantities and lead times depend on the product type and the degree of customisation: standard products can start from smaller batches, while custom housings, labelling and packaging are assessed per project. Samples can be arranged, with sample and freight costs confirmed against the requirement. Every enquiry is answered with a written specification and quote stating the model, configuration and terms - nothing about an order here is left to chat messages.

Improve Battery runs OEM/ODM alongside its standard range, and ships with the export documentation each model carries (CE, RoHS, FCC, MSDS, UN38.3 types as listed per datasheet; certificates available upon request). State the model, voltage, quantity and destination in the enquiry form and the sales team in Shenzhen will reply with the full specification.

Questions

Frequently asked

Does it fit a standard 19-inch rack?

The units are 442mm wide, the standard rack-mount width. Depths are 527mm (05B) and 790mm (10B) — confirm your cabinet depth in the enquiry and we confirm fit in the quote.

Can rack and wall units be combined?

They share the 51.2V platform, but parallel strings should be matched by model. Tell us the architecture you want and we specify matched strings.

What is the 200A option on the 10B?

The IMP-LR-10B's maximum continuous current is 100A as standard and 200A as a customised build. It is an order-level configuration, stated in the written specification.

Related pages

Tell us the model. We price it in writing.

Model, voltage, quantity and destination - that is all a real quote needs.

Quote a Rack Battery System