OptiMate Lithium 0.8A is totally automatic and fully protected against user errors. For Lithium 12.8V batteries from 1Ah to 10Ah. It does everything I need it to do for my bikes Lithium battery. The leeds are good quality.
Tecmate OptiMate Cable O-40s Weatherproof SAE Socket, Faucet Installation
TecMate OptiMate 1 Duo Battery Optimiser (SAE)
TecMate OptiMate 3 Battery Optimiser Charger
TecMate OptiMate 3 Dual Battery Optimiser Charger (SAE)
Tecmate Optimate USB O-100, Combination 2400Ma USB Charger and 3-LED Battery Mon