Products

Every product we make, in one place.

Backup and security packs, off-grid lighting packs, graded 18650 and 21700 cells, and parts for your own builds. All built or graded in Somerset West. Hover over a card for the specs, or tap it on your phone.

  • Graded cells, tested on our own line
  • Built in Somerset West
  • Small runs or volume orders
  • Serviced locally

12V backup & security packs

Lithium replacements for sealed lead-acid batteries

Watchman 712V · 7.65Ah
BP-12V-7.65AH-EVE

Watchman 7

Drop-in lithium backup for alarms and gate motors

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BP-12V-7.65AH-EVEWatchman 7

The everyday swap for the 7Ah lead-acid battery in an alarm panel or gate motor. Built in Somerset West on EVE lithium-ion cells, with a protection board that guards against over-charge, over-discharge and short circuits.

Nominal voltage
12V
Capacity
7.65Ah
Cells
EVE lithium-ion
Replaces
12V 7Ah lead-acid
  • Alarm panels
  • Gate motors
  • Electric fence energisers
Watchman 912V · 8.8Ah
BP-12V-8.80AH-BAK

Watchman 9

A little more runtime than a standard 7Ah

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BP-12V-8.80AH-BAKWatchman 9

Extra capacity in the same footprint as a 7Ah lead-acid battery, for alarms and gates that need to ride out a longer outage. Built on BAK lithium-ion cells.

Nominal voltage
12V
Capacity
8.8Ah
Cells
BAK lithium-ion
Replaces
12V 7Ah lead-acid
  • Alarm panels
  • Gate motors
  • Access control
Watchman 1012V · 10Ah
BP-12V-10AH-SAM

Watchman 10

10Ah on Samsung cells

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BP-12V-10AH-SAMWatchman 10

Our strongest everyday backup pack, built on Samsung lithium-ion cells. A good fit for gate motors that cycle often during outages.

Nominal voltage
12V
Capacity
10Ah
Cells
Samsung lithium-ion
Replaces
12V 7Ah lead-acid
  • Gate motors
  • Alarm panels
  • Access control
Endurance 17 · BAK12V · 17.6Ah
BP-12V-17.6AH-BAK

Endurance 17 · BAK

Extended backup for long outages

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BP-12V-17.6AH-BAKEndurance 17 · BAK

More than double the runtime of a standard backup battery, for sites where power can be out for hours. Built on BAK lithium-ion cells.

Nominal voltage
12V
Capacity
17.6Ah
Cells
BAK lithium-ion
  • Alarm + beams + cameras
  • Busy gate motors
  • Small UPS loads
Endurance 17 · EVE12V · 17.5Ah
BP-12V-17.5AH-EVE

Endurance 17 · EVE

High-capacity NMC pack on EVE cells

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BP-12V-17.5AH-EVEEndurance 17 · EVE

For systems with a bigger load. High energy-density NMC chemistry on EVE cells gives long runtime in a compact pack.

Nominal voltage
12V
Capacity
17.5Ah
Chemistry
Li-ion NMC
Cells
EVE
  • Security systems with cameras
  • Small UPS loads
  • Lighting
Endurance 2012V · 20Ah
BP-12V-20AH-SAM

Endurance 20

Our standard security pack: 20Ah in a 7Ah footprint

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BP-12V-20AH-SAMEndurance 20

Built for the security industry to replace sealed lead-acid in alarm panels, CCTV, gate motors and access control, where lead-acid on float charge typically fails within two to four years. Made from 12 graded Samsung 21700 cells and serviced locally.

Voltage
12V nominal · 12.6V full
Capacity
20Ah
Cells
12 × Samsung 21700 (3S4P)
Size
Fits a 7Ah lead-acid slot
  • Alarm panels
  • CCTV
  • Gate motors
  • Access control

Off-grid lighting packs

High-energy packs for solar lighting systems

16.8V · 50Ah
16.8V · 50Ah · 4S20P

Beacon 50

734Wh for off-grid and rural lighting systems

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16.8V · 50Ah · 4S20PBeacon 50

Our largest standard pack, built from 80 graded EVE 18650 cells. Grading keeps every pack consistent from batch to batch, which is what solar-lighting and pay-as-you-go distributors need. Supplied in volume to distributors and system builders.

Voltage
16.8V full charge (4S)
Capacity
50Ah
Energy
734Wh
Cells
80 × EVE 18650 (4S20P)
  • Off-grid solar lighting
  • Rural lighting kits
  • Pay-as-you-go solar

Graded cells

18650 & 21700 cells in stock, tested and sorted on our own line

Samsung 21700 · 5,000mAh5Ah
Samsung INR21700-50E / 50G

Samsung 21700 · 5,000mAh

High-capacity 21700 cell, graded and reworked

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Samsung INR21700-50E / 50GSamsung 21700 · 5,000mAh

New Samsung cells used only in manufacturers' weld-validation testing (never cycled), then reworked and graded on our own line. The same cells we build our Endurance 20 from. Available loose or in volume.

Format
21700
Capacity
5,000mAh
Energy
18Wh per cell
Supplied
Graded and reworked
  • Pack builders
  • E-mobility packs
  • High-capacity builds
4.4Ah
SVOLT N21700CM

SVOLT 21700 · 4,400mAh

Consistent 21700 cells for manufacturers

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SVOLT N21700CMSVOLT 21700 · 4,400mAh

New SVOLT cells used only in weld-validation testing (never cycled), reworked and graded on our own line. Suited to manufacturers who need consistent cells in modest volumes, without an importer's container-load minimum.

Format
21700
Capacity
4,400mAh
Energy
15.84Wh per cell
Supplied
Graded and reworked
  • Appliance manufacturers
  • OEM pack builds
  • Small production runs
EVE 18650 · 2,550mAh2.55Ah
EVE ICR18650-26V

EVE 18650 · 2,550mAh

The workhorse 18650, graded in volume

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EVE ICR18650-26VEVE 18650 · 2,550mAh

A dependable 18650 cell, tested and sorted on our automated grading line. It's the cell inside our Beacon 50 lighting pack, and the go-to for building or rebuilding small packs.

Format
18650
Capacity
2,550mAh
Energy
9.18Wh per cell
Supplied
Graded
  • Volume pack builds
  • Pack repairs & rebuilds
  • Torch & tool packs

Build-your-own

Kits and protection boards

Builder Kit · 12V 7Ah12V
18650 12V7Ah case + 3S40A BMS kit

Builder Kit · 12V 7Ah

Everything but the cells for your own 12V pack

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18650 12V7Ah case + 3S40A BMS kitBuilder Kit · 12V 7Ah

A DIY kit for building a 12V lithium pack in the standard 7Ah battery size. Includes the ABS case, two 3×7 18650 cell holders, four nickel strips and a 3S 40A protection board. Cells sold separately.

Case
ABS, 65.1 × 150.4 × 93 mm
Holders
2 × 18650 (3×7)
Includes
4 nickel strips, 3S 40A BMS
Cells
Not included
  • DIY battery builders
  • Replacing a 7Ah lead-acid
  • Hobby projects
Guardian 3S Protection Board12.6V
40A 3S BMS board

Guardian 3S Protection Board

40A protection for 3-cell lithium packs

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40A 3S BMS boardGuardian 3S Protection Board

A battery management (protection) board for 3-series lithium-ion packs built from 18650 or 21700 cells. Protects against over-charge, over-discharge, over-current and short circuit.

Configuration
3S (12.6V full charge)
Rated current
40A
Suits
18650 & 21700 Li-ion cells
  • DIY 12V packs
  • 18650 / 21700 builds

Accessories

Parts for enclosures and systems

Pack Cooling Fan · 40mm12V
Sunon HA40101V4

Pack Cooling Fan · 40mm

Quiet 12V DC fan for battery enclosures

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Sunon HA40101V4Pack Cooling Fan · 40mm

A compact 40mm Sunon 12V DC fan for keeping battery enclosures and electronics cool under load.

Voltage
12V DC
Size
40 × 40 × 10 mm
Brand
Sunon
  • Battery enclosures
  • Inverter & UPS cabinets

Need something that isn’t listed?

Custom packs, contract assembly, other cell formats for significant projects, and trade or volume pricing are all handled directly. Tell us what you’re powering.

How long will it last?

Estimate your backup time

Pick a pack and a typical load, or drag the slider to your device’s current draw. The estimate uses 90% of rated capacity; real runtime depends on temperature, pack age and how often a gate cycles.

–hours of backup, approx.

Buying for a business?

Installers, distributors and manufacturers: ask us about trade and volume supply.