Give your digital devices the highest possible precision with VARTA LONGLIFE Max Power. VARTA LONGLIFE Max Power are developed for devices that require accurate energy under changing conditions and provide accurate and flexible energy levels.

Other names for this battery:

824(Wart)
7526(Wart)
24A (Wart)
24AU(Wart)
4003(Wart)
6135-99-117-3143(Wart)
824(Wart)
AAA(Wart)
AM4(Wart)
E92(Wart)
HP16(Wart)
K3A(Wart)
LR03(Wart)
LR03N(Wart)
LR3(Wart)
MN2400(Wart)
MV2400(Wart)
MX2400(Wart)
R03 (Wart)
R03P(Wart)
SUM4(Wart)
Type 286(Wart)
U16(Warta)
UM 4(Wart)

Some toy manufacturers have their own battery designations which they sometimes write in their user manuals.
These are as follows:
A = D (R20, LR20)
B = C (R14, LR14)
C = AA (R6, LR6)
D = 9V (6F22, 6LR61)
E = AAA (R03, LR03)