Potete darmi un vs. parere su queste batterie della SAFT?


NI-MH:
Foto: http://www.saftbatteries.com/120-Techno/10..._Produit=HEnimh

Nominal voltage (V) 12 24
Rated capacity at C/3 rate (Ah) 100 100
Specific energy (Wh/kg at C/3) 69 69
Energy density (Wh/dm3 at C/3) 145 147
Specific power
W/kg at 80% DOD, 30 sec, 2/3Uo) 160 160
Typical power density (W/dm3) 370 373
MECHANICAL CHARACTERISTICS
Maxi dimensions (mm) LxWxH 390x120x195 760x120x195
Typical weight (kg)* 18.6 37
OPERATING CONDITIONS
Operating temperature range (°C) -10/+45 (in charge)
-10/+60 (in discharge)
Transport and storage temperature range (°C) -40 / +65
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NI-CD:
http://www.saftbatteries.com/120-Techno/10...ule_Produit=STM

sTM 5-100 MR* STM 5-100 MRE** STM 5-140MR*

Nominal voltage (V) 6 6 6
Rated capacity at C/3 rate (Ah) 100 100 136
Typical specific energy at C/3(Wh/kg) 55 54 54
Typical energy density at C/3(Wh/dm3) 88 87 95
Typical specific power at 3/4 Uo
at 80% DOD (W/kg) 122 120 108
Typical power density (W/l) 203 200 190
MECHANICAL CHARACTERISTICS


Typical weight (kg) 12.9 13.2 17.0

Dimensions (mm) 248x120x260 246x123x260 244x153x260

Volume (dm3) 7.74 7.87 9.7


* MR : Air cooled
** MRE : integrated liquid cooling