Check the listing for details. Optimate Solar Duo 10W. Condition: New. Listed at 188.14 USD. When the panel receives sun, the SOLAR CHARGE LED blinks confirming solar power is being delivered and one of the four battery status LEDs (SAVE, CHARGE, MAINTAIN) indicates charge progress. OptiMate Solar converts low solar energy to a high pulse charge which improves solar charge efficiency. When night falls or if the smart charger-monitor senses no solar power is being delivered it changes into a battery monitor with one of the three charge status lights now indicating battery status every three seconds. The 10W TM522-D1 kit (12V 0.8A max.) is ideal for all powersports vehicles. The weatherproof solar panel includes corner mounts for easy wall or roof mounting. Each kit includes a high intensity poly crystalline panel with a 2m power cable, an OptiMate O-1 weatherproof battery lead, an.