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Overview
Coleman CPX6 Compatible
I received a lantern with a dead battery. Decided I would try to rebuild the battery using some 18650 lithium ion batteries I had kicking around.
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These lanterns use a lead acid battery (6V 2.6Ah)
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Battery
I replaced the lead acid battery with 4 18650 Lion batteries in a 2S2P configuration for about 5Ah at 7.2v nominal (36 watt-hours).
Two batteries on each side of the compartment seemed to work.
BMS Board
2S 2-3A 5-8.4V Red
Size: 62 x 26 x 6.9mm
Charging Voltage range: 8.40-8.45V ± 0.05V
Over-discharge Voltage range: 4.6-5.1V ± 0.05V
Maximum operating current: 2-3A
Maximum instantaneous current: 4-6A
Working temperature: -40 ~ +50°C
Resistance: less than 45mΩ
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