Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Test report on an Exide 3RRS-1EL-3-4 battery's performance and condition after road use.

Identifier  ExFiles\Box 168b\3\  img109
Date  19th March 1930
  
E.J.B.
JD{J. Draper - Frames} 63
x 7535E.
19-3-30
X7535E
X7536
Tests on Exide 3RRS-1EL-3-4 Battery (21/2)
This battery has now run 12,009 miles on the road.
A central connector F31450 was fitted with this battery but was not properly lead coated, this has now run 4,768 miles & is in perfect condition.
On Low Rate Discharge 71.1 ampere hours were obtained. All cells showed positive weakness.
On High Rate Discharge
Initial amperes = 105.2
Time to 1.04 " = 4.0 min
" " 1.00 " = 11.0 "
" " .90 " = 20.0 "
All cells showed negative weakness.
G.F.
  
  


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