elmar fudd Posted March 14, 2011 Report Share Posted March 14, 2011 i recentley brought a lightforce 140 lamp but still need to but a battery to use it with i have been looking at the deben lithium ion ones, in particular the 12 volt 4 amp one but before i buy it, how long will it last with my lamp? or does anyone else have a better recommendation? Quote Link to comment Share on other sites More sharing options...
SilentKill Posted March 14, 2011 Report Share Posted March 14, 2011 They do show a list of the potential running times on their website. However if your only turning the lamp on and off infrequently then it should last you a few hours! Quote Link to comment Share on other sites More sharing options...
elmar fudd Posted March 14, 2011 Author Report Share Posted March 14, 2011 thanks for that mate will have a look now it will be used mainley for sitting and waiting for foxes with a shotgun though so i imagine its going to be used alot Quote Link to comment Share on other sites More sharing options...
SilentKill Posted March 14, 2011 Report Share Posted March 14, 2011 thanks for that mate will have a look now it will be used mainley for sitting and waiting for foxes with a shotgun though so i imagine its going to be used alot i would get the best you can afford, if you can stretch to a larger Amp one then you will be better off! Quote Link to comment Share on other sites More sharing options...
elmar fudd Posted March 14, 2011 Author Report Share Posted March 14, 2011 one of my mates has just told me about this kit, is it worth me taking my lamp back getting a refund and having this kit instead? http://www.arthurcarteruradshop.co.uk/shopexd.asp?id=121 Quote Link to comment Share on other sites More sharing options...
pigeonstool Posted March 14, 2011 Report Share Posted March 14, 2011 Ok >=> Watts = Volts x Amps // 50 watt bulb = 12V x 4.1A // Amps = Watts divided by Volts //\\ A = 50/12 // amps = 4.1 OK - so for a battery rated at 4 Amp per Hour - therefore your 50 watt lamp will last Maximum 1 hour However > in reality , about 30 to 40 minutes. So, if used on for 1 minute (sweep search) off 4 minutes (walking on) then it will last for a reasonable time to wander around , say 2 + hours ..... You can now sort out other bulb ratings vs battery capacity .... Quote Link to comment Share on other sites More sharing options...
SilentKill Posted March 14, 2011 Report Share Posted March 14, 2011 Ok >=> Watts = Volts x Amps // 50 watt bulb = 12V x 4.1A // Amps = Watts divided by Volts //\\ A = 50/12 // amps = 4.1 OK - so for a battery rated at 4 Amp per Hour - therefore your 50 watt lamp will last Maximum 1 hour However > in reality , about 30 to 40 minutes. So, if used on for 1 minute (sweep search) off 4 minutes (walking on) then it will last for a reasonable time to wander around , say 2 + hours ..... You can now sort out other bulb ratings vs battery capacity .... Or take a look at the chart on the bottom of this page to get a rough idea and less time with your calculator! Deben Lithium Batteries Quote Link to comment Share on other sites More sharing options...
kent Posted March 14, 2011 Report Share Posted March 14, 2011 All i can add is these new batterery packs are great, been using one two years and i would never go back. However they don't fade out slowly they just go when juice runs out. Used a mates std pack the last week and it was back to the aching shoulder! Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.