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This Bat­tery Jump-starts It­self, and These Turn Sig­nals Are Blind­ingly Bright ...........................................

Be­lieve it or not, when you crank over your en­gine, your starter mo­tor is us­ing bat­tery tech­nol­ogy that hasn’t changed much in more than 150 years. Same goes for your turn sig­nals—the in­can­des­cent bulbs in your bike’s sig­nals have been the sta­tus quo for over a cen­tury. Man­u­fac­tur­ers still use this old-school tech be­cause it’s cheap and fairly re­li­able, but there are prod­ucts on the mar­ket now that use new-age tech­nol­ogy that blows the ex­ist­ing stuff out of the wa­ter.


Dead bat­ter­ies are a drag. You’re ready to ride, but all you get when you thumb the starter is a click­ing noise from some­where un­der your seat. With a reg­u­lar lead-acid bat­tery, you’ll be look­ing for a jump-start, but with this new “restart” lithi­u­mion bat­tery from Antigravity, the jump-start is built in. You just need to push the but­ton on the top of the bat­tery, and you’ve got enough juice to get your bike crank­ing again and get go­ing.

This con­ve­nient and in­no­va­tive fea­ture is the re­sult of bat­tery-man­age­ment cir­cuitry that mon­i­tors the cells’ charge and puts the bat­tery to sleep if the volt­age drops too much be­cause you left your key on. That means no more dead bat­ter­ies, or at least a sec­ond chance be­fore you have to call for help. Antigravity is the first com­pany to bring this tech to the mar­ket, and it’s do­ing it with new-age lithium-ion chem­istry that has some other im­pres­sive ad­van­tages too.

For starters (pun in­tended), lithium-ion bat­ter­ies are go­ing to help your bike start eas­ier since they’re bet­ter at dump­ing cur­rent than their lazy old lead-acid coun­ter­parts. On av­er­age, you’re look­ing at about twice the cold-crank­ing amps when you switch to lithium-ion, which is awe­some if you’re run­ning high-com­pres­sion pis­tons or other per­for­mance en­gine mods that make the mo­tor harder to crank over. Weight is an­other thing that dif­fer­en­ti­ates lithium-ion from lead-acid. As an ex­am­ple, the Antigravity bat­tery we dropped into a 2013 Iron 883 only weighed 3 pounds, com­pared to 11 pounds for the stock unit.

Per­for­mance comes at a cost, and Antigravity bat­ter­ies ring in at a fair bit more than lead-acid op­tions. This par­tic­u­lar ex­am­ple is $260, com­pared to about $130 for a stan­dard re­place­ment, but you’re get­ting a lot of perks for that price. Antigravity cur­rently of­fers restart-en­abled bat­ter­ies in eight OEM sizes to fit most bikes, and there are ter­mi­nals on each cor­ner to pro­vide more ori­en­ta­tion op­tions.


Just as lithium-ion chem­istry is re­plac­ing lead-acid bat­ter­ies as a lighter, more pow­er­ful tech­nol­ogy, light-emit­ting diodes are rapidly re­plac­ing old-school in­can­des­cent lights. LEDS pro­duce a brighter, crisper light than in­can­des­cent bulbs. LEDS also draw a lot less power than other forms of il­lu­mi­na­tion, and they last hundreds of thou­sands of hours, which means you’ll likely never need to deal with a burned-out bulb again.

Most V-twins on the mar­ket still come with an­cient in­can­des­cent­bulb turn sig­nals, but you can eas­ily up­date your bike with sleeker, brighter sig­nals from Ri­zoma. Whether you want to in­te­grate the sig­nals into the mir­rors like we did with these sexy Ve­loce mir­rors ($201 each, plus $20 each for adapters) or just re­place your stock turn/stop lights with more com­pact, brighter units like the Iride S units ($95 each, plus $10 each for adapters) we put on this 883, Ri­zoma has a huge se­lec­tion of trick parts for Amer­i­can mo­tor­cy­cles.

In­stal­la­tion is straight­for­ward if you take ad­van­tage of Ri­zoma’s mod­el­spe­cific com­po­nents, or you can use adapters for uni­ver­sal parts. Since we swapped from in­can­des­cent to LED, we needed to wire in the in­cluded re­sis­tors to keep the flash rate the same, so it helps to be handy with a sol­der­ing iron. Other than that, these parts are plug-and-play and to­tally im­prove the look of your bike, plus they bring your light­ing into the 21st cen­tury. HB

SOURCE: ANTIGRAVITY BAT­TER­IES shop.anti­grav­i­ty­bat­ter­


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