Batteries

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Batteries

In September 2001, I bought a 'Hornet' helicopter package, including batteries and charger, and started keeping records of the batteries used for this and other electric models. Prior to this I had used Nickle Cadmium batteries for various types of electric flight using only basic charging methods.

Battery	Type	No & size of cells	Make	Date	Scrapped	No of cycles	Main use	Comments
NiMH
1	NiMH	7 x 720mAh	Twicell	12/9/01	21/4/02	168	Hornet
2	NiMH	7 x 720mAh	Twicell	12/9/01	21/4/02	166	Hornet
1/2	NiMH	8 x 720mAh	Twicell	21/4/02	9/12/04	168/166	Hornet	made from 1 & 2
1/2A	NiMH	6 x 720mAh	Twicell	21/8/02	9/12/04	168/166	Bandit	made from 1 & 2
3	NiMH	8 x 720mAh	Twicell	21/11/01	14/8/05	205	Hornet
4	NiMH	7 x 720mAh	Twicell	15/2/02	103	13/1/07	Hornet
5	NiMH	8 x 700mAh	Kodak	1/3/02	14/8/05	85	Hornet
6	NiMH	8 x 750mAh	Vanson	7/5/02	13/7/06	100	Hornet	new cell10/8/03
7	NiMH	7 x 750mAh	Vanson	24/7/02	13/7/06	90	Hornet
8	NiMH	7 x 750mAh	Vanson	21/8/02	13/7/06	90	Hornet
9	NiMH	6 x 750mAh	Vanson	21/8/02	27/09/07	?	Bandit
10	NiMH	6 x 750mAh	Vanson	20/11/02			Pico-Stik
11	NiMH	6 x 300mAh	Overlander	28/11/02			And Now?
12	NiMH	8 x 1800mAh	Vanson	16/2/03	18/05/07	<30	Streaker
13	NiMH	8 x 110mAh	Overlander	12/4/03			Tiny
14	See Ni-Cads
15	NiMH	6 x 750mAh	Vanson	2/9/03			Bandit
16	NiMH	6 x 750mAh	Vanson	2/9/03			Bandit
17	NiMH	8 x 1100mAh	Sanyo	21/11/01			Cessna, JJ
18	NiMH	7 x 300mAh	Falcon	9/11/03	10/1/04	4	And Now?
18a	NiMH	7 x 300mAh	Falcon	10/1/04	14/2/04	3	And Now?	replacement for 18
18b	NiMH	7 x 300mAh	Falcon	14/2/04			And Now?	replacement for 18a
19	NiMH	7 x 300mAh	Overlander	4/12/03			And Now?
20	NiMH	7 x 300mAh	Overlander	4/12/03	15/8/05	?	And Now?
21	NiMH	7 x 750mAh	Vanson	9/4/04	29/3/05	41	BCP
21a	NiMH	7 x 750mAh	Vanson	29/3/05		21	BCP
22	NiMH	7 x 300mAh	Hilcott	4/4/04			And Now?
23	NiMH	7 x 750mAh	Vanson	9/12/04		40	Hornet
24	NiMH	8 x 750mAh	Vanson	9/12/04	13/7/06	30	Hornet
25/A1	NiMH	7 x 750mAh	Vanson	9/7/05	12/7/06	20	Piccolo
A2	NiMH	7 x 750mAh	Vanson	14/8/05	13/7/06	20	Hornet
A3	NiMH	7 x 750mAh	Vanson	14/8/05	12/7/06	20	Hornet
B1	NiMH	7 x 900mAh	Maplin	13/1/07		10	Hornet
B2	NiMH	7 x 900mAh	Maplin	14/1/07		10	Hornet
B3	NiMH	6 x 900mAh	Maplin	17/1/07			Bandit/ Pico-Stik
B4	NiMH	8 x 1800mAh	Vanson	18/05/07			Streaker
B5	NiMH	6 x 900mAh	Maplin	10/07/07			Pico-Stik
Ni-Cad
14	Nicad	8 x 50mAh	Overlander	21/11/01		<10	Tiny	Broken up for other projects
N1	Nicad	6 x 250mAh	Hilcott	24/1/04	14/4/06	<10	And Now?
N2	Nicad	6 x 250mAh	Hilcott	30/1/04	1/2/04	<10	And Now?
N3	Nicad	6 x 250mAh	Hilcott	30/1/04	15/8/05	<10	And Now?
Li-Poly
L1	Li-Ion	2 x 700mAh	Hilcott	4/4/04			'Nextra
L2	Li-Poly	2 x 700mAh	Falcon	10/4/04			Tiny
L3	Li-Poly	2 x 340mAh	Kokam	15/6/04			Super Star
L4	Li-Poly	2 x 340mAh	Kokam	15/6/04			Super Star
L5	Li-Poly	2 x 640mAh	Kokam	13/7/04			Piccolo
L6	Li-Poly	2 x 60mAh	Kokam	22/10/04			'Nd 'Ow
L7	Li-Poly	2 x 145mAh	Kokam	24/12/04	26/12/04	1	Ultra-S	overcharged
L7a	Li-Poly	3 x 145mAh	Kokam	12/2/05			Ultra-S
L8	Li-Poly	2 x 1200mAh	Kokam	24/12/04		78	Hornet/ Super Star	Poor for some time
L9	Li-Poly	2 x 1200mAh	Kokam (?)	14/2/05	28/01/08	69	Hornet/ Super Star	Poor performance for some time
L10	Li-Poly	2 x 360mAh	Kokam	22/6/05			Super Star
L11	Li-Poly	2 x 250mAh	E-Tec	8/4/06			Titch
L12	Li-Poly	2 x 250mAh	E-Tec	8/4/06			Titch
L13	Li-Poly	2 x 150mAh	NDR	8/4/06			?
L14	Li-Poly	2 x 150mAh	NDR	8/4/06			?
L15	Li-Poly	2 x 1200mAh	Kokam (?)	15/9/06		26	Hornet/ Super Star
L16	Li-Poly	2 x 1200mAh	Kokam	15/9/06		26	Hornet/ Super Star
L17	Li-Poly	2 x 1200mAh	Kokam (?)	6/12/06		26	Hornet/ Super Star
L18	Li-Poly	2 x 1200mAh	Kokam	6/12/06		26	Hornet/ Super Star
L19	Li-Poly	2 x 300mAh	Fullriver	6/12/06			Titch/ Tiny
L20	Li-Poly	2 x 300mAh	Fullriver	14/05/07			Titch/ Tiny
L21	Li-Poly	2 x 300mAh	Fullriver	14/05/07			Titch/ Tiny
L22	Li-Poly	2 x 860mAh	Hi Model	20/10/07		23	Piccolo
L23	Li-Poly	2 x 860mAh	Hi Model	20/10/07		23	Piccolo
L24	Li-Poly	1 x 30mAh	Fullriver	19/11/07			Aero Soarer
L25	Li-Poly	1 x 30mAh	Fullriver	19/11/07			Aero Soarer
L26	Li-Poly	2 x 800 MAh	E_sky	01/02/08		22	Lama V4
L27	Li-Poly	2 x 800 MAh	E_sky	08/02/08		22	Lama V4
L28	Li-Poly	2 x 900 MAh	Mystery	10/03/08	19/04/08	15	Lama V4	Poor performance, glitching
L29	Li-Poly	2 x 900 MAh	Mystery	10/03/08	19/04/08	14	Lama V4	Poor performance, glitching, one cell swelling
L30	Li-Poly	2 x 800 MAh	Fullriver	25/04/08		9	Lama V4
L31	Li-Poly	2 x 800 MAh	fullriver	25/04/08		9	Lama V4
L32	Li-Poly	2 x 900 MAh	Unknown HK	17/05/08		9	Lama V4	Cheap!
L33	Li-Poly	2 x 900 MAh	Unknown HK	27/05/08		9	Lama V4	Cheap!
L34	Li-Poly	2 x 900 MAh	Unknown HK	27/05/08		9	Lama V4	Cheap!
L35	Li-Poly	1 x 400 MAh	Walkera	24/06/08		14	Walkera 5G6
L36	Li-Poly	1 x 250 MAh	Fullriver	02/07/08		1	Walkera 5G6
Sealed Lead Acid
G1	Gelcell	6 x 7.2Ah	Maplin	11/11/04	20/04/08	?	Charger	Absolutely dead since 2006
G2	Gelcell	6 x 7.2Ah	Maplin	11/11/04	20/04/08	?	Charger	Absolutely dead since 2006