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On the water, what takes you out has to bring you back. The OPTIMA® BLUETOP® battery delivers the power you can rely on. Its patented SPIRALCELL TECHNOLOGY®means more running time, faster recharge, and up to twice the life of traditional marine batteries. And it’s specifically built to handle the demanding challenges of marine applications.
The OPTIMA® BLUETOP battery is completely spill-proof and maintenance-free. It’s lightweight and can be mounted virtually anywhere and in any position. It’s over 15 times more resistant to vibration than other batteries, which matters in the hull of a boat. And it retains its charge longer and recharges faster thanks to its remarkably low self-discharge rate. And that can mean a quicker return to the water after the off-season.
Product | Voltage (V) | Capacity (Ah) | Dimension (mm) | Weight (kg) | Terminal | ||
20Hr | L | W | H | ||||
BT DC 4.2 | 12 | 55 | 254.0 | 175.0 | 200.0 | 19.7 | Dual SAE 5/16 Stainless Stud |
BT DC 5.0 | 12 | 66 | 309.0 | 172.0 | 221.0 | 24.4 | Dual SAE 5/16 Stainless Stud |
BT DC 5.5 | 12 | 75 | 325.0 | 165.0 | 238.0 | 26.5 | Dual SAE 5/16 Stainless Stud |
BT SLI 4.2 | 12 | 50 | 254.0 | 175.0 | 200.0 | 17.4 | Dual SAE 5/16 Stainless Stud |