Batteries
ALCAD Nickel Cadmium Batteries
ALCAD Nickel Cadmium Batteries is a group of 27 IMPA-coded items (codes 792604–792650) under Batteries in the Electrical Equipment section (IMPA 79). All of them are priced per piece.
Buying guide
This group holds Alcad LCE nickel-cadmium single cells, listed by type code and capacity from LCE10P (10 Ah) to LCE375P (375 Ah). They are vented pocket-plate cells; the LCE range has the thickest plates and is designed to supply energy over relatively long discharge periods at currents low compared with the stored energy.[1]
On board, cells like these make up the emergency and backup DC banks — emergency lighting, communications, alarms and switchgear supplies. The electrical officer raises them when cells fail a capacity test or the bank reaches the end of its life, usually cell for cell.[1]
How to specify it
Copy the full cell type code from the existing cells, including the suffix letter, and give the number of cells in the bank. A cell with the same ampere-hours from a different range has a different plate design and discharge behaviour, so do not order by capacity alone.[1]
Give the charger’s settings so the supplier can confirm them. For LCE cells the published two-level charge is a float of 1.42 ± 0.01 V per cell and a high level of 1.47–1.70 V per cell; for single-level charging, 1.43–1.50 V per cell.[1]
Say whether the cells are wanted filled or with electrolyte separately, and whether connectors and the battery crate or layout are included.
Rules and certificates
IEC 60623 specifies the marking, designation, dimensions, tests and requirements for vented nickel-cadmium prismatic rechargeable single cells. The 2017 edition has been replaced by IEC 60623:2026, so ask which edition a cell’s test data refer to.[2]
COSWP asks for alkaline and lead-acid batteries to be kept in separate compartments or screened apart, with separate servicing tools and materials, because mixing electrolytes can cause a dangerous reaction. The alkaline electrolyte is corrosive, the metal cases of alkaline cells remain live at all times, and batteries are moved upright to avoid spillage.[3]
Questions buyers ask
- Can I replace one failed Ni-Cd cell, or must the whole bank be renewed?
- Single cells are sold individually, as listed here; order the same type code as the rest of the bank so its charge and discharge behaviour match.
- Can Ni-Cd and lead-acid batteries share a battery room?
- COSWP advises separate compartments, or screens between them, and separate servicing tools, because acid and alkaline electrolytes must not mix.
Sources
- IMPA catalogue (ShipServ) — Battery nickel-cadmium Alcad LCE70P 70 Ah, product data (LCE range)
- IEC 60623:2017 Secondary cells and batteries containing alkaline or other non-acid electrolytes — Vented nickel-cadmium prismatic rechargeable single cells (IEC webstore; notes the 2026 edition)
- UK MCA — Code of Safe Working Practices for Merchant Seafarers (COSWP), 2024 edition
Published by Sherif Awad, founder of GeoMarineHub — in ship supply since 1990, a family business since 1981 (45 years). Last checked .
At a glance
Part of Electrical Equipment (IMPA section 79): Lamps, cable, switches, fuses, batteries, connectors, marine lighting fittings and meters.
It is one of 16 groups under Batteries; the others include Alkaline Batteries, Battery Chargers, Battery Chargers for Rechargeable Battery, Battery Hydrometers, Battery Syringes and 10 more.
Post the ones you need as a requirement and verified suppliers activated at your port bid on them — sealed, so nobody sees another bid.
- Items
- 27
- IMPA codes
- 792604–792650
- Priced
- per piece
Items
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