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Buffalo Phone: 716.531.4875 Denver Phone: 303.800.4725 Fax: 303.600.9726
BD Batteries - Buffalo, New York & Denver, Colorado - Deep Cycle AGM Batteries Delivered Nationwide
Lifeline Batteries, Total Power Batteries, Rock Racing Battery Line, Optima Battery Lines & Sun Xtender Batteries

The Rock 1685-2 from The Rock Racing Batteries

All batteries are produced in the Concorde Battery Manufacturing Plant to exceeding Military Specifications. This plus testing of all batteries ensures you a quality lightweight racing battery for your racing systems. Rock 1685-2 is designed for Extreme Vehicle Starting Applications, and Racing
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Shipping/Delivery Included: $314.99

Rock 1685-2 Specifications:

Voltage 16v

Length - in(mm) 6.57
Width - in(mm) 10.20
Height - in(mm) 8.13

Weight 42.00 lbs / 19.00 kgs

The Rock Racing Batteries
Part Number
Cold Cranking Amps
32° 0°

Rock 1685-2 0

Shipping/Delivery Included: $314.99

AGM Starting batteries are well suited to racing as they are more efficient than flooded lead acid batteries under high amperage conditions. The difference can be as high as 40%, which means you need less battery to get the job done.

In racing, every ounce counts, but thou shalt not sacrifice quality or you shall not finish. These high quality batteries are hand crafted to military specifications here in the United States and are warrantied against defects. Take care of them and they will take care of you.

AGM Starting Batteries are not designed for deep cycle use. Please consult the deep cycle AGM batteries for use with car accessories, gps systems, large car stereos, and car alarm systems. Below are some links to help you find batteries for these applications:
DC Battery Load Calculator
My Battery is Dead - Sizing your Battery for Accessories

Description of The Rock Racing Batteries Rock 1685-2:
¹ 16 Volt Battery & 16 / 12 Volt Battery Race Cranking Amps: 5 seconds continuous @ 75°F to 7.2 volts = 1050 Amperes 15 seconds continuous @ 75°F to 7.2 volts = 950 Amperes 30 seconds continuous @ 75°F to 7.2 volts = 750 Amperes Click for 16 Volt Battery Info

Rock 1685-2 - Click to enlarge

Difference Between Common Battery Sizes
BCI Size & Model	L in / mm BCI difference	W in / mm BCI difference	H in / mm BCI difference
BCI Group 1	9.13 inches / 232mm Rock 1685-2 is smaller by 2.56 inches	7.13 inches / 181mm Rock 1685-2 is larger by 3.07 inches	9.38 inches / 238mm Rock 1685-2 is smaller by 1.25 inches
BCI Group 17HF	7.38 inches / 187mm Rock 1685-2 is smaller by 0.81 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	9.00 inches / 229mm Rock 1685-2 is smaller by 0.87 inches
BCI Group 2	10.38 inches / 264mm Rock 1685-2 is smaller by 3.81 inches	7.13 inches / 181mm Rock 1685-2 is larger by 3.07 inches	9.38 inches / 238mm Rock 1685-2 is smaller by 1.25 inches
BCI Group 21	8.19 inches / 208mm Rock 1685-2 is smaller by 1.62 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.75 inches / 222mm Rock 1685-2 is smaller by 0.62 inches
BCI Group 22F	9.50 inches / 241mm Rock 1685-2 is smaller by 2.93 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	8.31 inches / 211mm Rock 1685-2 is smaller by 0.18 inches
BCI Group 22HF	9.50 inches / 241mm Rock 1685-2 is smaller by 2.93 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	9.00 inches / 229mm Rock 1685-2 is smaller by 0.87 inches
BCI Group 22NF	9.44 inches / 240mm Rock 1685-2 is smaller by 2.87 inches	5.50 inches / 140mm Rock 1685-2 is larger by 4.7 inches	8.94 inches / 227mm Rock 1685-2 is smaller by 0.81 inches
BCI Group 22R	9.00 inches / 229mm Rock 1685-2 is smaller by 2.43 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	8.31 inches / 211mm Rock 1685-2 is smaller by 0.18 inches
BCI Group 24	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 24F	10.75 inches / 273mm Rock 1685-2 is smaller by 4.18 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.00 inches / 229mm Rock 1685-2 is smaller by 0.87 inches
BCI Group 24H	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.38 inches / 238mm Rock 1685-2 is smaller by 1.25 inches
BCI Group 24R	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.00 inches / 229mm Rock 1685-2 is smaller by 0.87 inches
BCI Group 24T	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.75 inches / 248mm Rock 1685-2 is smaller by 1.62 inches
BCI Group 25	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 26	8.19 inches / 208mm Rock 1685-2 is smaller by 1.62 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	7.75 inches / 197mm Rock 1685-2 is larger by 0.38 inches
BCI Group 26R	8.19 inches / 208mm Rock 1685-2 is smaller by 1.62 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	7.75 inches / 197mm Rock 1685-2 is larger by 0.38 inches
BCI Group 27	12.06 inches / 306mm Rock 1685-2 is smaller by 5.49 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 27F	12.50 inches / 318mm Rock 1685-2 is smaller by 5.93 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.94 inches / 227mm Rock 1685-2 is smaller by 0.81 inches
BCI Group 27H	11.75 inches / 298mm Rock 1685-2 is smaller by 5.18 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.25 inches / 235mm Rock 1685-2 is smaller by 1.12 inches
BCI Group 28	10.31 inches / 261mm Rock 1685-2 is smaller by 3.74 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.44 inches / 240mm Rock 1685-2 is smaller by 1.31 inches
BCI Group 2N	10.00 inches / 254mm Rock 1685-2 is smaller by 3.43 inches	5.56 inches / 141mm Rock 1685-2 is larger by 4.64 inches	8.94 inches / 227mm Rock 1685-2 is smaller by 0.81 inches
BCI Group 34	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	7.88 inches / 200mm Rock 1685-2 is larger by 0.25 inches
BCI Group 34R	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	7.88 inches / 200mm Rock 1685-2 is larger by 0.25 inches
BCI Group 35	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 36R	10.38 inches / 263mm Rock 1685-2 is smaller by 3.81 inches	7.25 inches / 183mm Rock 1685-2 is larger by 2.95 inches	8.13 inches / 206mm Rock 1685-2 is larger by -0 inches
BCI Group 40R	10.94 inches / 277mm Rock 1685-2 is smaller by 4.37 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 41	11.19 inches / 293mm Rock 1685-2 is smaller by 4.62 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 42	9.31 inches / 243mm Rock 1685-2 is smaller by 2.74 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	6.81 inches / 173mm Rock 1685-2 is larger by 1.32 inches
BCI Group 45	9.44 inches / 240mm Rock 1685-2 is smaller by 2.87 inches	5.50 inches / 140mm Rock 1685-2 is larger by 4.7 inches	8.94 inches / 227mm Rock 1685-2 is smaller by 0.81 inches
BCI Group 46	10.75 inches / 273mm Rock 1685-2 is smaller by 4.18 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	9.00 inches / 229mm Rock 1685-2 is smaller by 0.87 inches
BCI Group 47	9.69 inches / 246mm Rock 1685-2 is smaller by 3.12 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	7.50 inches / 190mm Rock 1685-2 is larger by 0.63 inches
BCI Group 48	12.06 inches / 306mm Rock 1685-2 is smaller by 5.49 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	7.56 inches / 192mm Rock 1685-2 is larger by 0.57 inches
BCI Group 51	9.38 inches / 238mm Rock 1685-2 is smaller by 2.81 inches	5.06 inches / 129mm Rock 1685-2 is larger by 5.14 inches	8.81 inches / 223mm Rock 1685-2 is smaller by 0.68 inches
BCI Group 51R	9.38 inches / 238mm Rock 1685-2 is smaller by 2.81 inches	5.06 inches / 129mm Rock 1685-2 is larger by 5.14 inches	8.81 inches / 223mm Rock 1685-2 is smaller by 0.68 inches
BCI Group 52	7.31 inches / 186mm Rock 1685-2 is smaller by 0.74 inches	5.81 inches / 147mm Rock 1685-2 is larger by 4.39 inches	8.25 inches / 210mm Rock 1685-2 is smaller by 0.12 inches
BCI Group 54	7.31 inches / 186mm Rock 1685-2 is smaller by 0.74 inches	6.06 inches / 154mm Rock 1685-2 is larger by 4.14 inches	8.38 inches / 212mm Rock 1685-2 is smaller by 0.25 inches
BCI Group 55	8.63 inches / 218mm Rock 1685-2 is smaller by 2.06 inches	6.06 inches / 154mm Rock 1685-2 is larger by 4.14 inches	8.38 inches / 212mm Rock 1685-2 is smaller by 0.25 inches
BCI Group 56	10.00 inches / 254mm Rock 1685-2 is smaller by 3.43 inches	6.06 inches / 154mm Rock 1685-2 is larger by 4.14 inches	8.38 inches / 212mm Rock 1685-2 is smaller by 0.25 inches
BCI Group 57	8.06 inches / 205mm Rock 1685-2 is smaller by 1.49 inches	7.19 inches / 183mm Rock 1685-2 is larger by 3.01 inches	6.94 inches / 177mm Rock 1685-2 is larger by 1.19 inches
BCI Group 58	10.06 inches / 255mm Rock 1685-2 is smaller by 3.49 inches	7.19 inches / 183mm Rock 1685-2 is larger by 3.01 inches	6.94 inches / 177mm Rock 1685-2 is larger by 1.19 inches
BCI Group 58R	10.06 inches / 255mm Rock 1685-2 is smaller by 3.49 inches	7.19 inches / 183mm Rock 1685-2 is larger by 3.01 inches	6.94 inches / 177mm Rock 1685-2 is larger by 1.19 inches
BCI Group 59	10.06 inches / 255mm Rock 1685-2 is smaller by 3.49 inches	7.63 inches / 193mm Rock 1685-2 is larger by 2.57 inches	7.75 inches / 196mm Rock 1685-2 is larger by 0.38 inches
BCI Group 61	7.56 inches / 192mm Rock 1685-2 is smaller by 0.99 inches	6.38 inches / 162mm Rock 1685-2 is larger by 3.82 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 62	8.88 inches / 225mm Rock 1685-2 is smaller by 2.31 inches	6.38 inches / 162mm Rock 1685-2 is larger by 3.82 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 63	10.19 inches / 258mm Rock 1685-2 is smaller by 3.62 inches	6.38 inches / 162mm Rock 1685-2 is larger by 3.82 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 64	11.69 inches / 296mm Rock 1685-2 is smaller by 5.12 inches	6.38 inches / 162mm Rock 1685-2 is larger by 3.82 inches	8.88 inches / 225mm Rock 1685-2 is smaller by 0.75 inches
BCI Group 65	12.06 inches / 306mm Rock 1685-2 is smaller by 5.49 inches	7.50 inches / 190mm Rock 1685-2 is larger by 2.7 inches	7.56 inches / 192mm Rock 1685-2 is larger by 0.57 inches
BCI Group 70	8.19 inches / 208mm Rock 1685-2 is smaller by 1.62 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	7.69 inches / 196mm Rock 1685-2 is larger by 0.44 inches
BCI Group 71	8.19 inches / 208mm Rock 1685-2 is smaller by 1.62 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	8.50 inches / 216mm Rock 1685-2 is smaller by 0.37 inches
BCI Group 72	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	8.25 inches / 210mm Rock 1685-2 is smaller by 0.12 inches
BCI Group 73	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	8.50 inches / 216mm Rock 1685-2 is smaller by 0.37 inches
BCI Group 74	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	7.25 inches / 184mm Rock 1685-2 is larger by 2.95 inches	8.75 inches / 222mm Rock 1685-2 is smaller by 0.62 inches
BCI Group 75	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	7.69 inches / 196mm Rock 1685-2 is larger by 0.44 inches
BCI Group 78	10.25 inches / 260mm Rock 1685-2 is smaller by 3.68 inches	7.06 inches / 179mm Rock 1685-2 is larger by 3.14 inches	7.69 inches / 196mm Rock 1685-2 is larger by 0.44 inches
BCI Group 85	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.00 inches / 203mm Rock 1685-2 is larger by 0.13 inches
BCI Group 86	9.06 inches / 230mm Rock 1685-2 is smaller by 2.49 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	8.00 inches / 203mm Rock 1685-2 is larger by 0.13 inches
BCI Group 90	9.69 inches / 246mm Rock 1685-2 is smaller by 3.12 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 91	11.00 inches / 280mm Rock 1685-2 is smaller by 4.43 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 92	12.50 inches / 317mm Rock 1685-2 is smaller by 5.93 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 96R	9.56 inches / 242mm Rock 1685-2 is smaller by 2.99 inches	6.81 inches / 173mm Rock 1685-2 is larger by 3.39 inches	6.88 inches / 175mm Rock 1685-2 is larger by 1.25 inches
BCI Group 97R	9.94 inches / 252mm Rock 1685-2 is smaller by 3.37 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	7.50 inches / 190mm Rock 1685-2 is larger by 0.63 inches
BCI Group 98R	11.19 inches / 283mm Rock 1685-2 is smaller by 4.62 inches	6.88 inches / 175mm Rock 1685-2 is larger by 3.32 inches	7.50 inches / 190mm Rock 1685-2 is larger by 0.63 inches
BCI Group GC2	10.38 inches / 264mm Rock 1685-2 is smaller by 3.81 inches	7.19 inches / 183mm Rock 1685-2 is larger by 3.01 inches	10.63 inches / 270mm Rock 1685-2 is smaller by 2.5 inches
BCI Group GC2H	10.38 inches / 264mm Rock 1685-2 is smaller by 3.81 inches	7.19 inches / 183mm Rock 1685-2 is larger by 3.01 inches	11.63 inches / 295mm Rock 1685-2 is smaller by 3.5 inches

BD Batteries - A Broomfield-Designers Company
Serving the Local Colorado Community 9-5 Mountain & Emergencies P. 303-800-4725 F. 303-600-9726
Serving the Buffalo and the Great Lakes Communities 9-5 Eastern & Emergencies P. 716-531-4875 Mailing Address: 5023 West 120th Ave. #138, Broomfield, CO 80020
OUR DENVER WAREHOUSE IS MOVING TO A NEW LOCATION AT THIS TIME.
WE WERE SCHEDULED TO REOPEN OUR BRICK AND MORTAR BATTERY WAREHOUSE
IN EARLY 2011. IN THE MEAN TIME OUR WEBSITE AND PHONES OPERATE FINE!

We do thank the public for the outreach of concern, and votes of confidence.
Do call Lorene prior to schedule used battery pickups, new battery dropoffs, etc. by appointment.

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716-531-4875
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Lifeline Battery, Sun Xtender Battery, Total Power Battery, and Rock Racing Batteries.

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The information contain on this deep cycle AGM batteries website is deemed reliable, but not guaranteed. Please verify specific information on marine AGM batteries, rv AGM batteries or auto AGM batteries listed here by calling us direct. We are proud to offer the highest quality AGM batteries and hope you will consider using our deep cycle AGM batteries in the near future!

Deep Cycle Batteries : Marine Batteries | RV Batteries | AGM Batteries

Buffalo Phone: 716.531.4875 Denver Phone: 303.800.4725 Fax: 303.600.9726 BD Batteries - Buffalo, New York & Denver, Colorado - Deep Cycle AGM Batteries Delivered Nationwide Lifeline Batteries, Total Power Batteries, Rock Racing Battery Line, Optima Battery Lines & Sun Xtender Batteries

The Rock 1685-2 from The Rock Racing Batteries

Shipping/Delivery Included: $314.99 Rock 1685-2 Specifications: Voltage 16v Length - in(mm) 6.57 Width - in(mm) 10.20 Height - in(mm) 8.13 Weight 42.00 lbs / 19.00 kgs The Rock Racing Batteries Part Number Cold Cranking Amps 32° 0° Rock 1685-2 0

AGM Batteries, AGM Battery Chargers, Deep Cycle Batteries, DC Fuses, DC Firewall Pass Throughs, Battery Terminals, Battery Cables, DC Diodes, and Special Order Flooded Crown Batteries!

Buffalo Phone: 716.531.4875 Denver Phone: 303.800.4725 Fax: 303.600.9726
BD Batteries - Buffalo, New York & Denver, Colorado - Deep Cycle AGM Batteries Delivered Nationwide
Lifeline Batteries, Total Power Batteries, Rock Racing Battery Line, Optima Battery Lines & Sun Xtender Batteries

Shipping/Delivery Included: $314.99

Rock 1685-2 Specifications:

Voltage 16v

Length - in(mm) 6.57
Width - in(mm) 10.20
Height - in(mm) 8.13

Weight 42.00 lbs / 19.00 kgs

The Rock Racing Batteries
Part Number
Cold Cranking Amps
32° 0°

Rock 1685-2 0