article thumbnail

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.

Lead Acid 252
article thumbnail

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

Green Car Congress

NEC Energy Solutions, along with NEC Corporation, has announced production availability of the Li-ion ALM 12V35 product line of 12-Volt batteries utilizing Nanophosphate lithium iron phosphate (LiFePO 4 ) technology from A123 Systems. The ALM 12V35 batteries are drop?in Compatibility with most popular lead acid battery chargers.

Li-ion 150
article thumbnail

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

Green Car Congress

million to develop a next-generation lithium ion “6T” battery system for use in military applications, with a focus on ground combat vehicle applications. Currently, there are three companies funded by Alion to develop a first-generation lithium 6T Battery: Navitas Systems, Saft ( earlier post ), and Eagle Picher. Earlier post.).

Li-ion 210
article thumbnail

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. This has the unfortunate side effect of draining your 12V battery. 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.

Porsche 100
article thumbnail

Battery Woes

Porsche 914 EV Conversion

I think my battery pack is dead after 8600 miles and 1.5 Apparently the alarm is indicating a timeout that the charge cycle is taking too long for the capacity of batteries that I have. After doing some analysis yesterday, it looks like the batteries are not getting past the initial "bulk" charging phase.

Batteries 100
article thumbnail

Industry study finds lead-acid to remain most wide-spread automotive energy storage for foreseeable future; new chemistries continue to grow

Green Car Congress

Overview of the three vehicle classes identified in the study, and their corresponding battery technologies. Their low cost and ability to start the engine at cold temperatures sets them apart in conventional and basic micro-hybrid vehicles, and as auxiliary batteries in all other automotive applications, according to the report.

Lead Acid 304
article thumbnail

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. This ensures that the engine is only stopped if the battery has stored enough energy to start the engine again quickly.