Batteries Rechargeable (Secondary)

Rechargeable (secondary) batteries are electrochemical storage cells that function on the basis of a reversible chemical reaction, allowing depleted cells to be replenished and reused numerous times before requiring disposal. Typically, secondary cells store less energy in a given space than comparable primary cells and exhibit higher levels of self-discharge, making them less stable in long-term storage. While generally more costly on a unit basis than primary cells, their potential for reuse makes them a more economical choice for many applications. While the term "battery" is most properly reserved for an assembly of multiple individual cells, its use in reference to a single cell is common.

Part Number Manufacturer Description Quantity Price Option
PRT-13851 SparkFun Electronics BATTERY LITHIUM 3.7V 400MAH 214 $4.95
BK-200AAB9B Panasonic - BSG BATTERY NIMH 1.2V 1.9AH AA 7120 $4.09
VL-1220/HFN Panasonic - BSG BATTERY LITH 3V 7MAH COIN 12.5MM 3848 $4.03
VL-1220/VCN Panasonic - BSG BATTERY LITH 3V 7MAH COIN 12.5MM 16645 $4.03
HHR-150AAC8 Panasonic - BSG BATTERY NIMH 1.2V 1.5AH AA 14302 $3.47
BK-80AAAB9B Panasonic - BSG BATTERY NIMH 1.2V 750MAH AAA 5229 $3.24
ML-2020/F1AN Panasonic - BSG BATT LITH 3V 45MAH COIN 20.0MM 20379 $3.17
MS920T-FL27E Seiko Instruments BATT LITH 3V 6.5MAH COIN 9.5MM 1991 $3.09
HHR-75AAA/B Panasonic - BSG BATTERY NIMH 1.2V 700MAH AAA 37889 $2.99
HHR-70AAAE4 Panasonic - BSG BATTERY NIMH 1.2V 700MAH AAA 37974 $2.86