NP4-6 Yuasa Lead Acid Battery 6V, 4Ah
Yuasa Standard NP Range
Valve regulated, sealed lead acid maintenance-free batteries.
Five year design life.
Heavy duty lead calcium alloy grids.
6 and 12 volt types.
1.2 Ah – 65 Ah capacities.
Incorporates a pressure safety valve.
Use in any orientation except inverted.
Designed for float or stand-by use.
These batteries should be charged with a constant voltage charger at 2.3 V per cell standby and 2.5 V per cell with a current limit of 0.25 x capacity (Ah) for cyclic applications (max 20 hour charging).
Buy a box of 10 for £11.99 each.