Power by Special Compact Battery
If you want a compact battery power solution, you may choose SWIT S-8040 Li-ion battery to instead of the DV plates and DV batteries.
The S-8040 is specially used for S-2041, with 7.2V, 21Wh/3Ah capacity, and can run nearly 1 hour on S-2041, also on the S-2210 and S-2220.
The S-8040 has a 4-level power indicators and a pole-tap charging input socket. The SWIT portable Pole-tap charger S-3010D to charger S-8040 is included.
