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. Author manuscript; available in PMC: 2017 Aug 8.
Published in final edited form as: Vaccine. 2017 Apr 19;35(17):2224–2228. doi: 10.1016/j.vaccine.2016.11.103

Table 1.

Characteristics of electric and solar devices studied and sensitivity ranges tested.

District level refrigerators Health facility level refrigerators


Vestfrost MK 404 Dulas VC 200 SDD Haier HBC 110 SunDanzer BFRV 55
Device type [1] Electric ice-lined refrigerator Solar direct drive refrigerator Electric ice-lined refrigerator Solar direct drive refrigerator
Net vaccine storage capacity, L [1] 135.0 132.0 52.5 54.5
Purchase price (USD)a [2] $964 ($482–$1928) $5060 ($2530–$10,120) $550 ($275–$1100) $3235 ($1618–$6470)
Holdover time during electrical outage, days [1,3] 0.97 (0.97–5.34) N/A 1.51 (1.02–7.58) N/A
a

Solar refrigerator purchase prices include solar power system.