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We build the hardware and install the system
Product catalogue
Cells, conversion and copper. Storage from a 5 kWh wall pack to a 125 kWh cabinet, hybrid inverters at 5 and 10 kW, a pole-mount battery for sites with no floor to spare, and LV assemblies built to your schedule. The engineers who specify this hardware are the ones who commission it on site.
Read from the product data on this page. Where a figure and a datasheet disagree, the datasheet wins.
Which one
Most people arrive with a building and a problem rather than a capacity in mind. Pick the situation that sounds like yours; the figures are underneath.
The two residential packs and the industrial cabinet, against the fields a buyer actually decides on. The pole-mount pack is in the table because it competes for the same jobs on sites with no floor — its figures are design targets, and the status row says so.
Scroll the table sideways to compare.
| Specification | Rated energy 5kWh 5 kWh wall pack BL05 | Rated energy 16kWh 16 kWh floor pack BL16 | Rated energy 125kWh 125 kWh cabinet BH99 | Rated energy 10kWh Pole-mount pack BP10 |
|---|---|---|---|---|
| Suited to | A first solar system on a house. One pack on the wall now, a second on the same bus later rather than a bigger one bought today. | Whole-house backup and light-commercial load shifting, standing on the floor of a plant room or a garage. | A commercial or industrial site shaving a demand peak, or riding an outage through on three phases. | Grid-edge, telecom and street-level sites with no floor to give up. Figures are design targets until the pilot units are signed off. |
| Usable energy | 4.5 kWh | 14.46 kWh | — | 9 kWh |
| Rated power | — | — | 100 kW | 5 kW |
| Nominal voltage | 51.2 V | 51.2 V | 768 V | 51.2 V |
| Cell chemistry | LiFePO4 | LiFePO4 | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 cycles | 4,000 – 6,000 cycles | — | 6,000 cycles |
| Max charge current | 100 A | 150 A | — | 100 A |
| Max discharge current | 100 A | 200 A | — | 120 A |
| Units in parallel | Up to 16 | Up to 16 | — | Up to 4 |
| Round-trip efficiency | 97 % | 98 % | 90 % | 96 % |
| Dimensions (L × W × H) | 690 × 380 × 148 mm | 920 × 500 × 250 mm | — | 1100 × 600 × 400 mm |
| Weight | 49.3 kg | 120 kg | — | 165 kg |
| Mounting | Wall mount | Stand-alone | — | Pole mount (galvanised strut frame) |
| Environment | Indoor | Indoor | Indoor or outdoor | Outdoor |
| Enclosure rating | — | — | IP55 | IP55 |
| Cooling | Natural cooling | Natural cooling | Forced air, circular duct | Natural convection, filtered louvre |
| Status | Published specification | Published specification | Published specification | Pilot units Q2 2026 |
| Specification | Full specification for the 5 kWh wall pack | Full specification for the 16 kWh floor pack | Full specification for the 125 kWh cabinet | Full specification for the Pole-mount pack |
Every figure is read from the product data behind the specification pages. A dash means that unit does not publish the field yet — ask and we will send what exists. Size the system on usable energy; rated energy is the nameplate figure before depth of discharge.
If the supply is single phase the choice is already made. Where three phases arrive, the question is whether the load is spread across them.
| Specification | Rated output 5kW 5 kW single phase IH05 | Rated output 10kW 10 kW three phase IH10 |
|---|---|---|
| Suited to | A single-phase house running solar, battery and grid on one supply. | Three-phase homes and light-commercial units where the load is spread across phases rather than stacked on one. |
| Supply | Single phase | Three phase |
| Peak efficiency | 97.5 % | 98.2 % |
| MPPT trackers | 2 | 2 |
| Transfer to backup | Under 16 ms | Under 20 ms |
| Off-grid capable | Yes | Yes |
| Interfaces | RS485 · CAN · WiFi · Ethernet | RS485 · CAN · WiFi · Ethernet · 4G |
| Status | Published specification | Published specification |
| Specification | Full specification for the 5 kW single phase | Full specification for the 10 kW three phase |
Transfer times are the figures stated in each unit's description and are pending confirmation against the final datasheet. Everything else is read from the product data behind the specification pages.
Published specification
Sizing storage is one decision made twice: how long the building has to keep running without the grid, and how much of your own generation you want to keep instead of export. Three sizes of that problem — a wall pack, a floor pack and a cabinet — on the same chemistry and the same BMS discipline.
Rated energy
5kWh
A first solar system on a house. One pack on the wall now, a second on the same bus later rather than a bigger one bought today.
Rated energy
16kWh
Whole-house backup and light-commercial load shifting, standing on the floor of a plant room or a garage.
Rated energy
125kWh
A commercial or industrial site shaving a demand peak, or riding an outage through on three phases.
The engineers who specify the pack are the ones who commission it. The survey reads the incomer and the half-hourly data before anything is sized, the grid application goes in at design stage rather than after delivery, and the system runs under load with your people in the room before it is signed off.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Backup circuits that stay live during an outage
Pre-production
Every other pack in this catalogue needs a floor, a wall or a hardstanding. This one needs a pole that is already standing — which is the whole point on a feeder, a telecom site or a street where there is no land to lease.
Rated energy
10kWh
Outdoor pole-mounted energy storage for distribution networks, telecom sites and street-level infrastructure — no ground footprint, no cabinet enclosure, no land lease. A sealed IP55 LiFePO4 pack and its power electronics share a galvanised strut frame that clamps directly to an existing concrete or steel pole, with a vented weather canopy over the top and lifting eyes at every corner for single-crew installation. Built for grid-edge voltage support, feeder backup, telecom tower resilience and remote off-grid loads where floor space simply does not exist.
Pre-production figures. They are design targets until the first pilot units are signed off, and the datasheet follows that sign-off.
A pack on a pole is still a grid connection. Pilot installations run through the same three steps as everything else here, and the mounting changes nothing about who is accountable for the paperwork or the commissioning record.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Published specification
The inverter decides what happens in the first few milliseconds after the grid goes. Both of ours hold solar, battery and grid on one supply; the choice between them is how many phases come into the building.
Rated output
5kW
A single-phase house running solar, battery and grid on one supply.
Rated output
10kW
Three-phase homes and light-commercial units where the load is spread across phases rather than stacked on one.
An inverter is only as good as the DC work either side of it. String layout, isolation, earthing and the protection settings are drawn by the team that fits them, and the settings record leaves the site with you rather than staying on our laptop.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Direct integration with AmpereArc storage and inverters
Built to order
A panel board is not something you take off a shelf. It is a schedule — an incomer, a way list, a control sequence — turned into copper, steel and labelled terminals. We build to the schedule you issue, or draw one with you first.
Nothing below is a specification, because every board leaves the shop different. These are the bands the shop works within; the final ratings are fixed against your drawings before manufacture starts.
We do not publish type-test references we cannot hand over. Ask, and we will send what exists for the assembly you are ordering.
Main switchboards and sub-boards for buildings, plant rooms and site supplies. Built around the schedule you issue: incomer, ways, phase allocation and spare capacity all fixed before a hole is punched.
Manual and automatic transfer between grid, generator and battery. Mechanical interlocking is fitted as standard, so the two sources cannot be closed together even if the control logic is wrong.
String combiners and the DC and AC protection either side of an array. Sized to the string layout the designer issues rather than to a stock way count, so nothing is left blanked off or doubled up.
Plant, pump and motor control assemblies, built to a control philosophy you supply or one we draw with you. Wired, numbered and tested on the bench so commissioning is a check, not a rebuild.
The board is built in our own workshop and energised by our own team. That removes the usual argument: the assembly on site is the assembly on the drawing, and there is no second party to point at when it is not.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Supplied within systems
The charger is rarely the difficult part. The supply behind it is: what else is drawing at six in the evening, and whether the incomer can carry another 22 kW when every bay is occupied.
Charging output
7kW
A home or a single bay that should charge on solar surplus before it charges on the grid.
Charging output
11kW
A three-phase supply where the car has to charge faster without the main fuse becoming the limit.
Charging output
22kW
Car parks, workplaces and fleet yards where two cars share one supply between them.
These units are quoted, installed and commissioned as part of a system rather than sold on their own, and none of them has been photographed yet — the specification pages carry figures, not pictures. Ask for the datasheets with your enquiry and we will send the ones that apply to your site.
Chargers are quoted with the supply behind them. Load management, cable routes, groundworks and the back office are part of the same job rather than a follow-on trade booked after the unit arrives.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
EV charging scheduled against surplus generation
Supplied within systems
You cannot tune what you cannot see. A bi-directional meter at the incomer says what came in and what went out; the logger reads the inverters, meters and BMS behind it and sends the lot on.
What it measures
Import · export · generation
The reading at the incomer: what came in, what went back out, and how much of it you generated.
What it reads
Inverter · meter · BMS
Everything behind the meter — inverters, meters and battery BMS — read on one gateway and forwarded.
These units are quoted, installed and commissioned as part of a system rather than sold on their own, and none of them has been photographed yet — the specification pages carry figures, not pictures. Ask for the datasheets with your enquiry and we will send the ones that apply to your site.
Metering is fitted, read and proved at commissioning rather than left at its defaults. Thresholds are set on site against what the system actually does, and the portal accounts are named before we leave.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Battery-backed comms, sized with the storage team
The incoming supply, the loads that matter and what has to stay on when the grid goes — that is enough for us to come back with a system, a bill of materials and a price. The hardware on this page and the team that installs it are the same company, which keeps the warranty and the fault-finding in one place instead of between two.
Design, supply, installation and commissioning for battery storage, solar and EV charging — grid application and panel work included.
Structured cabling, Wi-Fi design and managed switching for offices and homes — surveyed, certified and monitored.
Lighting, climate, blinds, security and energy on one system — designed at first fix, controlled locally.