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| Unique Features | OptiMate 4 Dual Program tests before & after charging and can recover a ‘dead-flat’ battery from as low as 0.5 Volts. |
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| IDeal For | AGM, GEL & STD 12V batteries from 3 – 50Ah |
| Charging Amps | 1A (constant current) |
| Charging Volts | Nominal: 2V range: 0.5V – 14.4V |
| Operation | Fully automatic |
| Steps |  |
| Warranty | 3-year limited replacement warranty. |
| Use | Indoor / Outdoor (lowest temperature: -4°F / -20°C). |
| Input | Global (100-240V 50-60Hz), high efficiency (CEC listed). |
| Style | Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. |
| Save | Low Volt Start of 0.5V + 2-step* desulphation recovery (*1-step low volt pulse save during CAN-bus mode). |
| Safe | No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected. |
| Included | Weatherproof battery lead & battery clip set. |
| What does the dual program mean on the Optimate 4? | OptiMate 4 Dual Program includes two charging programs; the standard program is supposed to be used when connecting directly to the battery, the CANbus (BMW) program allows charging and maintaining via the DIN socket on BMW Motorcycles (models 2004 and later) |
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| Does Optimate 4 have a battery recovery program? | Yes, the standard program has the most advanced recovery program which saves 'dead flat' sulphated batteries from as low as 0,5V. |
| Which program do I need to select to charge over the 12v socket on my BMW? | You'll need to select the CANbus program to charge via 12V socket on your BMW motorcycle. |
| There is no selection button. How do I switch program? | Unplug the OptiMate, connect the clamps together, wait for the LED's to confirm program change (the LED's start to blink fast after 10 seconds) disconnect clamps. See picture on back of charger. |
| What's the difference with the Optimate 4 Canbus edition? | CANbus edition is delivered with OptiMate adapter O-09 which fits 12V sockets. Dual Program is CANbus compatible but will standard be delivered without this adapter. |
| I want to use my Optimate Dual over the 12v socket. Which additional connector do I need? | You will need one of the OptiMate BIKE plug cables (O-02, O-09, O19 or O-29) |
| What type and size batteries does optimate 4 charge? | STD, AGM and GEL 12V lead-acid batteries used for engine start & deep cycle applications. (Link: Learn here about batteries, this will be at ww.optimate1.com/batteries). For batteries from 3Ah to 48 Ah for 24-7 battery maintenance. Can recharge batteries up to 24Ah within 24 hours. |
| How fast does Optimate 4 recharge batteries? | Charge time on a flat but otherwise undamaged battery: a 12Ah battery should take no more than about 12 hours to progress to the self-discharge check. Deep-discharged batteries may take significantly longer, a full charge may not be achieved within the hour charge safety limit. In this case. |
