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Study sees gradual, focused replacement of lead-acid SLI batteries by Li-ion batteries over next couple of years

Green Car Congress

A study by a team of researchers from Germany and South Africa forsees the gradual replacement of lead-acid SLI (starter, lighting and ignition) batteries with Li-ion batteries over the next couple of years. —Ferg et al. Schuldt, J. 2019.03.063.

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NEC introduces 12V Li-ion battery line for stationary applications

Green Car Congress

NEC says the ALM 12V35 is especially well-suited for deep cycling applications such as weak and off-grid power systems, including remote wireless base stations, oil and gas infrastructure, and portable lighting and signage systems.

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Navitas Systems receives $1.55M contract for 2nd-gen 6T Li-ion battery; double energy density, +50% power density

Green Car Congress

The Joint Light Tactical Vehicle (“JLTV”) is targeted to replace a portion of the Army and Marine Corps’ Humvee fleets, and Lockheed Martin, AM General, and Oshkosh Defense are vying for the production contract. The 12V version can be used in either military or in commercial starting/deep cycle applications.

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Bosch Passes 1M Mark for Start-Stop Systems

Green Car Congress

Start-stop systems stop the combustion engine when the vehicle comes to a halt at a red light or in a traffic jam, starting it again automatically when the clutch is depressed and the vehicle is put back into gear. The system is rounded off by a crankshaft sensor, sensors on the pedals, and a deep-cycle resistant battery.

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Being a Pro Eco Recycler

DIY Electric Car

. -20 Deka Ungly 45 ah deep cycle batteries (retail $3000). 43 used light fixtures to make into solar hot air collectors (Instructable). -15 Free sheets of 4 x 4 cedar plywood (?). -3 3 wood stoves. Clay to make a earthen oven. -3 3 72 volt forklift motors (retail $1200). 600 amp Zappi 72 volt forklift controller with regen.

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Quirky Porsche Features Killed my 12V Battery

Porsche 914 EV Conversion

Another quirk is that if you leave the turn signal on after removing the ignition key, your tail light on that side stays on. I've left my turn signal on before, but the combination of the LED tail-lights and the deep-cycle accessory battery kept the car alive. Well, today my 12V battery died.

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Battery Woes

Porsche 914 EV Conversion

After contacting Zivan tech support, they said that lead-acid batteries typically get 400 deep cycles or 800 half-cycles at best. If my average trip is 20 miles between charges and I have 8600 miles on the car, that means about 430 half-cycles. It only takes 15 minutes and will save a lot of headaches.

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