Having a portable jump starter like the Century Jumper 850 can come in handy especially in urgent situations when your car battery goes dead or lacks the power to crank the engine. The best thing about the Jumper 850 is that it has a 12V DC power output to power up any power-compatible devices you have.
Replacing Century Jumper Batteries
The power supply in all Century portable jump starters come from sealed lead acid (SLA) batteries encased within. The Jumper 850 specifically uses the a 17Ah 12V ES Series SLA battery. At the date of this writing, the cost to replace the Century Jumper 850 battery is over US$100! But there's a proven way to save on that cost.
We got in touch with Rob Denton late last year to find out how the desulfator he purchased from us in October 2010 was faring after 5 long years. And we were pleased to know that it was still working fine.
Rob is a licensed amateur radio enthusiast based in Nottinghamshire and uses a 3 kilowatt uninterruptible power supply (UPS) with 8 batteries as backup power for his weather station computer and radio equipment. This was the testimonial he left us in 2010:
We also found out then that Rob is a regular contributor to the quarterly journal GEO (Group for Earth Observation) and wrote an article which appeared in the GEO Quarterly No 33 in 2012. He was kind enough to search through his library to send us the image of the article. We have transcribed the article below for easy reading.
Improve The Performance Of Your
DOUBLE YOUR BATTERY LIFESPAN